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Translation update done using Pootle.
[phpmyadmin/mlewandow.git] / libraries / common.lib.php
blobef8c637d5265ca595da34de26491f02f57a5e3e0
1 <?php
2 /* vim: set expandtab sw=4 ts=4 sts=4: */
3 /**
4 * Misc functions used all over the scripts.
5 *
6 * @package phpMyAdmin
7 */
8
9 /**
10 * Exponential expression / raise number into power
11 *
12 * @uses function_exists()
13 * @uses bcpow()
14 * @uses gmp_pow()
15 * @uses gmp_strval()
16 * @uses pow()
17 * @param number $base
18 * @param number $exp
19 * @param string pow function use, or false for auto-detect
20 * @return mixed string or float
21 */
22 function PMA_pow($base, $exp, $use_function = false)
23 {
24 static $pow_function = null;
25
26 if (null == $pow_function) {
27 if (function_exists('bcpow')) {
28 // BCMath Arbitrary Precision Mathematics Function
29 $pow_function = 'bcpow';
30 } elseif (function_exists('gmp_pow')) {
31 // GMP Function
32 $pow_function = 'gmp_pow';
33 } else {
34 // PHP function
35 $pow_function = 'pow';
36 }
37 }
38
39 if (! $use_function) {
40 $use_function = $pow_function;
41 }
42
43 if ($exp < 0 && 'pow' != $use_function) {
44 return false;
45 }
46 switch ($use_function) {
47 case 'bcpow' :
48 // bcscale() needed for testing PMA_pow() with base values < 1
49 bcscale(10);
50 $pow = bcpow($base, $exp);
51 break;
52 case 'gmp_pow' :
53 $pow = gmp_strval(gmp_pow($base, $exp));
54 break;
55 case 'pow' :
56 $base = (float) $base;
57 $exp = (int) $exp;
58 $pow = pow($base, $exp);
59 break;
60 default:
61 $pow = $use_function($base, $exp);
62 }
63
64 return $pow;
65 }
66
67 /**
68 * string PMA_getIcon(string $icon)
69 *
70 * @uses $GLOBALS['pmaThemeImage']
71 * @uses $GLOBALS['cfg']['PropertiesIconic']
72 * @uses htmlspecialchars()
73 * @param string $icon name of icon file
74 * @param string $alternate alternate text
75 * @param boolean $container include in container
76 * @param boolean $$force_text whether to force alternate text to be displayed
77 * @return html img tag
78 */
79 function PMA_getIcon($icon, $alternate = '', $container = false, $force_text = false)
80 {
81 $include_icon = false;
82 $include_text = false;
83 $include_box = false;
84 $alternate = htmlspecialchars($alternate);
85 $button = '';
86
87 if ($GLOBALS['cfg']['PropertiesIconic']) {
88 $include_icon = true;
89 }
90
91 if ($force_text
92 || ! (true === $GLOBALS['cfg']['PropertiesIconic'])
93 || ! $include_icon) {
94 // $cfg['PropertiesIconic'] is false or both
95 // OR we have no $include_icon
96 $include_text = true;
97 }
98
99 if ($include_text && $include_icon && $container) {
100 // we have icon, text and request for container
101 $include_box = true;
102 }
103
104 // Always use a span (we rely on this in js/sql.js)
105 $button .= '<span class="nowrap">';
106
107 if ($include_icon) {
108 $button .= '<img src="' . $GLOBALS['pmaThemeImage'] . $icon . '"'
109 . ' title="' . $alternate . '" alt="' . $alternate . '"'
110 . ' class="icon" width="16" height="16" />';
111 }
112
113 if ($include_icon && $include_text) {
114 $button .= ' ';
115 }
116
117 if ($include_text) {
118 $button .= $alternate;
119 }
120
121 $button .= '</span>';
122
123 return $button;
124 }
125
126 /**
127 * Displays the maximum size for an upload
128 *
129 * @uses PMA_formatByteDown()
130 * @uses sprintf()
131 * @param integer the size
132 *
133 * @return string the message
134 *
135 * @access public
136 */
137 function PMA_displayMaximumUploadSize($max_upload_size)
138 {
139 // I have to reduce the second parameter (sensitiveness) from 6 to 4
140 // to avoid weird results like 512 kKib
141 list($max_size, $max_unit) = PMA_formatByteDown($max_upload_size, 4);
142 return '(' . sprintf(__('Max: %s%s'), $max_size, $max_unit) . ')';
143 }
144
145 /**
146 * Generates a hidden field which should indicate to the browser
147 * the maximum size for upload
148 *
149 * @param integer the size
150 *
151 * @return string the INPUT field
152 *
153 * @access public
154 */
155 function PMA_generateHiddenMaxFileSize($max_size)
156 {
157 return '<input type="hidden" name="MAX_FILE_SIZE" value="' .$max_size . '" />';
158 }
159
160 /**
161 * Add slashes before "'" and "\" characters so a value containing them can
162 * be used in a sql comparison.
163 *
164 * @uses str_replace()
165 * @param string the string to slash
166 * @param boolean whether the string will be used in a 'LIKE' clause
167 * (it then requires two more escaped sequences) or not
168 * @param boolean whether to treat cr/lfs as escape-worthy entities
169 * (converts \n to \\n, \r to \\r)
170 *
171 * @param boolean whether this function is used as part of the
172 * "Create PHP code" dialog
173 *
174 * @return string the slashed string
175 *
176 * @access public
177 */
178 function PMA_sqlAddslashes($a_string = '', $is_like = false, $crlf = false, $php_code = false)
179 {
180 if ($is_like) {
181 $a_string = str_replace('\\', '\\\\\\\\', $a_string);
182 } else {
183 $a_string = str_replace('\\', '\\\\', $a_string);
184 }
185
186 if ($crlf) {
187 $a_string = str_replace("\n", '\n', $a_string);
188 $a_string = str_replace("\r", '\r', $a_string);
189 $a_string = str_replace("\t", '\t', $a_string);
190 }
191
192 if ($php_code) {
193 $a_string = str_replace('\'', '\\\'', $a_string);
194 } else {
195 $a_string = str_replace('\'', '\'\'', $a_string);
196 }
197
198 return $a_string;
199 } // end of the 'PMA_sqlAddslashes()' function
200
201
202 /**
203 * Add slashes before "_" and "%" characters for using them in MySQL
204 * database, table and field names.
205 * Note: This function does not escape backslashes!
206 *
207 * @uses str_replace()
208 * @param string the string to escape
209 *
210 * @return string the escaped string
211 *
212 * @access public
213 */
214 function PMA_escape_mysql_wildcards($name)
215 {
216 $name = str_replace('_', '\\_', $name);
217 $name = str_replace('%', '\\%', $name);
218
219 return $name;
220 } // end of the 'PMA_escape_mysql_wildcards()' function
221
222 /**
223 * removes slashes before "_" and "%" characters
224 * Note: This function does not unescape backslashes!
225 *
226 * @uses str_replace()
227 * @param string $name the string to escape
228 * @return string the escaped string
229 * @access public
230 */
231 function PMA_unescape_mysql_wildcards($name)
232 {
233 $name = str_replace('\\_', '_', $name);
234 $name = str_replace('\\%', '%', $name);
235
236 return $name;
237 } // end of the 'PMA_unescape_mysql_wildcards()' function
238
239 /**
240 * removes quotes (',",`) from a quoted string
241 *
242 * checks if the sting is quoted and removes this quotes
243 *
244 * @uses str_replace()
245 * @uses substr()
246 * @param string $quoted_string string to remove quotes from
247 * @param string $quote type of quote to remove
248 * @return string unqoted string
249 */
250 function PMA_unQuote($quoted_string, $quote = null)
251 {
252 $quotes = array();
253
254 if (null === $quote) {
255 $quotes[] = '`';
256 $quotes[] = '"';
257 $quotes[] = "'";
258 } else {
259 $quotes[] = $quote;
260 }
261
262 foreach ($quotes as $quote) {
263 if (substr($quoted_string, 0, 1) === $quote
264 && substr($quoted_string, -1, 1) === $quote) {
265 $unquoted_string = substr($quoted_string, 1, -1);
266 // replace escaped quotes
267 $unquoted_string = str_replace($quote . $quote, $quote, $unquoted_string);
268 return $unquoted_string;
269 }
270 }
271
272 return $quoted_string;
273 }
274
275 /**
276 * format sql strings
277 *
278 * @todo move into PMA_Sql
279 * @uses PMA_SQP_isError()
280 * @uses PMA_SQP_formatHtml()
281 * @uses PMA_SQP_formatNone()
282 * @uses is_array()
283 * @param mixed pre-parsed SQL structure
284 *
285 * @return string the formatted sql
286 *
287 * @global array the configuration array
288 * @global boolean whether the current statement is a multiple one or not
289 *
290 * @access public
291 *
292 */
293 function PMA_formatSql($parsed_sql, $unparsed_sql = '')
294 {
295 global $cfg;
296
297 // Check that we actually have a valid set of parsed data
298 // well, not quite
299 // first check for the SQL parser having hit an error
300 if (PMA_SQP_isError()) {
301 return htmlspecialchars($parsed_sql['raw']);
302 }
303 // then check for an array
304 if (!is_array($parsed_sql)) {
305 // We don't so just return the input directly
306 // This is intended to be used for when the SQL Parser is turned off
307 $formatted_sql = '<pre>' . "\n"
308 . (($cfg['SQP']['fmtType'] == 'none' && $unparsed_sql != '') ? $unparsed_sql : $parsed_sql) . "\n"
309 . '</pre>';
310 return $formatted_sql;
311 }
312
313 $formatted_sql = '';
314
315 switch ($cfg['SQP']['fmtType']) {
316 case 'none':
317 if ($unparsed_sql != '') {
318 $formatted_sql = '<span class="inner_sql"><pre>' . "\n" . PMA_SQP_formatNone(array('raw' => $unparsed_sql)) . "\n" . '</pre></span>';
319 } else {
320 $formatted_sql = PMA_SQP_formatNone($parsed_sql);
321 }
322 break;
323 case 'html':
324 $formatted_sql = PMA_SQP_formatHtml($parsed_sql, 'color');
325 break;
326 case 'text':
327 $formatted_sql = PMA_SQP_formatHtml($parsed_sql, 'text');
328 break;
329 default:
330 break;
331 } // end switch
332
333 return $formatted_sql;
334 } // end of the "PMA_formatSql()" function
335
336
337 /**
338 * Displays a link to the official MySQL documentation
339 *
340 * @uses $cfg['MySQLManualType']
341 * @uses $cfg['MySQLManualBase']
342 * @uses $cfg['ReplaceHelpImg']
343 * @uses $GLOBALS['pmaThemeImage']
344 * @uses PMA_MYSQL_INT_VERSION
345 * @uses strtolower()
346 * @uses str_replace()
347 * @param string chapter of "HTML, one page per chapter" documentation
348 * @param string contains name of page/anchor that is being linked
349 * @param bool whether to use big icon (like in left frame)
350 * @param string anchor to page part
351 *
352 * @return string the html link
353 *
354 * @access public
355 */
356 function PMA_showMySQLDocu($chapter, $link, $big_icon = false, $anchor = '', $just_open = false)
357 {
358 global $cfg;
359
360 if ($cfg['MySQLManualType'] == 'none' || empty($cfg['MySQLManualBase'])) {
361 return '';
362 }
363
364 // Fixup for newly used names:
365 $chapter = str_replace('_', '-', strtolower($chapter));
366 $link = str_replace('_', '-', strtolower($link));
367
368 switch ($cfg['MySQLManualType']) {
369 case 'chapters':
370 if (empty($chapter)) {
371 $chapter = 'index';
372 }
373 if (empty($anchor)) {
374 $anchor = $link;
375 }
376 $url = $cfg['MySQLManualBase'] . '/' . $chapter . '.html#' . $anchor;
377 break;
378 case 'big':
379 if (empty($anchor)) {
380 $anchor = $link;
381 }
382 $url = $cfg['MySQLManualBase'] . '#' . $anchor;
383 break;
384 case 'searchable':
385 if (empty($link)) {
386 $link = 'index';
387 }
388 $url = $cfg['MySQLManualBase'] . '/' . $link . '.html';
389 if (!empty($anchor)) {
390 $url .= '#' . $anchor;
391 }
392 break;
393 case 'viewable':
394 default:
395 if (empty($link)) {
396 $link = 'index';
397 }
398 $mysql = '5.0';
399 $lang = 'en';
400 if (defined('PMA_MYSQL_INT_VERSION')) {
401 if (PMA_MYSQL_INT_VERSION >= 50500) {
402 $mysql = '5.5';
403 /* l10n: Language to use for MySQL 5.5 documentation, please use only languages which do exist in official documentation. */
404 $lang = _pgettext('MySQL 5.5 documentation language', 'en');
405 } else if (PMA_MYSQL_INT_VERSION >= 50100) {
406 $mysql = '5.1';
407 /* l10n: Language to use for MySQL 5.1 documentation, please use only languages which do exist in official documentation. */
408 $lang = _pgettext('MySQL 5.1 documentation language', 'en');
409 } elseif (PMA_MYSQL_INT_VERSION >= 50000) {
410 $mysql = '5.0';
411 /* l10n: Language to use for MySQL 5.0 documentation, please use only languages which do exist in official documentation. */
412 $lang = _pgettext('MySQL 5.0 documentation language', 'en');
413 }
414 }
415 $url = $cfg['MySQLManualBase'] . '/' . $mysql . '/' . $lang . '/' . $link . '.html';
416 if (!empty($anchor)) {
417 $url .= '#' . $anchor;
418 }
419 break;
420 }
421
422 if ($just_open) {
423 return '<a href="' . PMA_linkURL($url) . '" target="mysql_doc">';
424 } elseif ($big_icon) {
425 return '<a href="' . PMA_linkURL($url) . '" target="mysql_doc"><img class="icon" src="' . $GLOBALS['pmaThemeImage'] . 'b_sqlhelp.png" width="16" height="16" alt="' . __('Documentation') . '" title="' . __('Documentation') . '" /></a>';
426 } elseif ($GLOBALS['cfg']['ReplaceHelpImg']) {
427 return '<a href="' . PMA_linkURL($url) . '" target="mysql_doc"><img class="icon" src="' . $GLOBALS['pmaThemeImage'] . 'b_help.png" width="11" height="11" alt="' . __('Documentation') . '" title="' . __('Documentation') . '" /></a>';
428 } else {
429 return '[<a href="' . PMA_linkURL($url) . '" target="mysql_doc">' . __('Documentation') . '</a>]';
430 }
431 } // end of the 'PMA_showMySQLDocu()' function
432
433
434 /**
435 * Displays a link to the phpMyAdmin documentation
436 *
437 * @param string anchor in documentation
438 *
439 * @return string the html link
440 *
441 * @access public
442 */
443 function PMA_showDocu($anchor) {
444 if ($GLOBALS['cfg']['ReplaceHelpImg']) {
445 return '<a href="Documentation.html#' . $anchor . '" target="documentation"><img class="icon" src="' . $GLOBALS['pmaThemeImage'] . 'b_help.png" width="11" height="11" alt="' . __('Documentation') . '" title="' . __('Documentation') . '" /></a>';
446 } else {
447 return '[<a href="Documentation.html#' . $anchor . '" target="documentation">' . __('Documentation') . '</a>]';
448 }
449 } // end of the 'PMA_showDocu()' function
450
451 /**
452 * Displays a link to the PHP documentation
453 *
454 * @param string anchor in documentation
455 *
456 * @return string the html link
457 *
458 * @access public
459 */
460 function PMA_showPHPDocu($target) {
461 $url = PMA_getPHPDocLink($target);
462
463 if ($GLOBALS['cfg']['ReplaceHelpImg']) {
464 return '<a href="' . $url . '" target="documentation"><img class="icon" src="' . $GLOBALS['pmaThemeImage'] . 'b_help.png" width="11" height="11" alt="' . __('Documentation') . '" title="' . __('Documentation') . '" /></a>';
465 } else {
466 return '[<a href="' . $url . '" target="documentation">' . __('Documentation') . '</a>]';
467 }
468 } // end of the 'PMA_showPHPDocu()' function
469
470 /**
471 * returns HTML for a footnote marker and add the messsage to the footnotes
472 *
473 * @uses $GLOBALS['footnotes']
474 * @param string the error message
475 * @return string html code for a footnote marker
476 * @access public
477 */
478 function PMA_showHint($message, $bbcode = false, $type = 'notice')
479 {
480 if ($message instanceof PMA_Message) {
481 $key = $message->getHash();
482 $type = $message->getLevel();
483 } else {
484 $key = md5($message);
485 }
486
487 if (! isset($GLOBALS['footnotes'][$key])) {
488 if (empty($GLOBALS['footnotes']) || ! is_array($GLOBALS['footnotes'])) {
489 $GLOBALS['footnotes'] = array();
490 }
491 $nr = count($GLOBALS['footnotes']) + 1;
492 // this is the first instance of this message
493 $instance = 1;
494 $GLOBALS['footnotes'][$key] = array(
495 'note' => $message,
496 'type' => $type,
497 'nr' => $nr,
498 'instance' => $instance
499 );
500 } else {
501 $nr = $GLOBALS['footnotes'][$key]['nr'];
502 // another instance of this message (to ensure ids are unique)
503 $instance = ++$GLOBALS['footnotes'][$key]['instance'];
504 }
505
506 if ($bbcode) {
507 return '[sup]' . $nr . '[/sup]';
508 }
509
510 // footnotemarker used in js/tooltip.js
511 return '<sup class="footnotemarker">' . $nr . '</sup>' .
512 '<img class="footnotemarker" id="footnote_' . $nr . '_' . $instance . '" src="' .
513 $GLOBALS['pmaThemeImage'] . 'b_help.png" alt="" />';
514 }
515
516 /**
517 * Displays a MySQL error message in the right frame.
518 *
519 * @uses footer.inc.php
520 * @uses header.inc.php
521 * @uses $GLOBALS['sql_query']
522 * @uses $GLOBALS['pmaThemeImage']
523 * @uses $GLOBALS['cfg']['PropertiesIconic']
524 * @uses $GLOBALS['cfg']['MaxCharactersInDisplayedSQL']
525 * @uses PMA_backquote()
526 * @uses PMA_DBI_getError()
527 * @uses PMA_formatSql()
528 * @uses PMA_generate_common_hidden_inputs()
529 * @uses PMA_generate_common_url()
530 * @uses PMA_showMySQLDocu()
531 * @uses PMA_sqlAddslashes()
532 * @uses PMA_SQP_isError()
533 * @uses PMA_SQP_parse()
534 * @uses PMA_SQP_getErrorString()
535 * @uses strtolower()
536 * @uses urlencode()
537 * @uses str_replace()
538 * @uses nl2br()
539 * @uses substr()
540 * @uses preg_replace()
541 * @uses preg_match()
542 * @uses explode()
543 * @uses implode()
544 * @uses is_array()
545 * @uses function_exists()
546 * @uses htmlspecialchars()
547 * @uses trim()
548 * @uses strstr()
549 * @param string the error message
550 * @param string the sql query that failed
551 * @param boolean whether to show a "modify" link or not
552 * @param string the "back" link url (full path is not required)
553 * @param boolean EXIT the page?
554 *
555 * @global string the curent table
556 * @global string the current db
557 *
558 * @access public
559 */
560 function PMA_mysqlDie($error_message = '', $the_query = '',
561 $is_modify_link = true, $back_url = '', $exit = true)
562 {
563 global $table, $db;
564
565 /**
566 * start http output, display html headers
567 */
568 require_once './libraries/header.inc.php';
569
570 $error_msg_output = '';
571
572 if (!$error_message) {
573 $error_message = PMA_DBI_getError();
574 }
575 if (!$the_query && !empty($GLOBALS['sql_query'])) {
576 $the_query = $GLOBALS['sql_query'];
577 }
578
579 // --- Added to solve bug #641765
580 if (!function_exists('PMA_SQP_isError') || PMA_SQP_isError()) {
581 $formatted_sql = htmlspecialchars($the_query);
582 } elseif (empty($the_query) || trim($the_query) == '') {
583 $formatted_sql = '';
584 } else {
585 if (strlen($the_query) > $GLOBALS['cfg']['MaxCharactersInDisplayedSQL']) {
586 $formatted_sql = htmlspecialchars(substr($the_query, 0, $GLOBALS['cfg']['MaxCharactersInDisplayedSQL'])) . '[...]';
587 } else {
588 $formatted_sql = PMA_formatSql(PMA_SQP_parse($the_query), $the_query);
589 }
590 }
591 // ---
592 $error_msg_output .= "\n" . '<!-- PMA-SQL-ERROR -->' . "\n";
593 $error_msg_output .= ' <div class="error"><h1>' . __('Error') . '</h1>' . "\n";
594 // if the config password is wrong, or the MySQL server does not
595 // respond, do not show the query that would reveal the
596 // username/password
597 if (!empty($the_query) && !strstr($the_query, 'connect')) {
598 // --- Added to solve bug #641765
599 if (function_exists('PMA_SQP_isError') && PMA_SQP_isError()) {
600 $error_msg_output .= PMA_SQP_getErrorString() . "\n";
601 $error_msg_output .= '<br />' . "\n";
602 }
603 // ---
604 // modified to show the help on sql errors
605 $error_msg_output .= ' <p><strong>' . __('SQL query') . ':</strong>' . "\n";
606 if (strstr(strtolower($formatted_sql), 'select')) { // please show me help to the error on select
607 $error_msg_output .= PMA_showMySQLDocu('SQL-Syntax', 'SELECT');
608 }
609 if ($is_modify_link) {
610 $_url_params = array(
611 'sql_query' => $the_query,
612 'show_query' => 1,
613 );
614 if (strlen($table)) {
615 $_url_params['db'] = $db;
616 $_url_params['table'] = $table;
617 $doedit_goto = '<a href="tbl_sql.php?' . PMA_generate_common_url($_url_params) . '">';
618 } elseif (strlen($db)) {
619 $_url_params['db'] = $db;
620 $doedit_goto = '<a href="db_sql.php?' . PMA_generate_common_url($_url_params) . '">';
621 } else {
622 $doedit_goto = '<a href="server_sql.php?' . PMA_generate_common_url($_url_params) . '">';
623 }
624
625 $error_msg_output .= $doedit_goto
626 . PMA_getIcon('b_edit.png', __('Edit'))
627 . '</a>';
628 } // end if
629 $error_msg_output .= ' </p>' . "\n"
630 .' <p>' . "\n"
631 .' ' . $formatted_sql . "\n"
632 .' </p>' . "\n";
633 } // end if
634
635 if (!empty($error_message)) {
636 $error_message = preg_replace("@((\015\012)|(\015)|(\012)){3,}@", "\n\n", $error_message);
637 }
638 // modified to show the help on error-returns
639 // (now error-messages-server)
640 $error_msg_output .= '<p>' . "\n"
641 . ' <strong>' . __('MySQL said: ') . '</strong>'
642 . PMA_showMySQLDocu('Error-messages-server', 'Error-messages-server')
643 . "\n"
644 . '</p>' . "\n";
645
646 // The error message will be displayed within a CODE segment.
647 // To preserve original formatting, but allow wordwrapping, we do a couple of replacements
648
649 // Replace all non-single blanks with their HTML-counterpart
650 $error_message = str_replace(' ', '&nbsp;&nbsp;', $error_message);
651 // Replace TAB-characters with their HTML-counterpart
652 $error_message = str_replace("\t", '&nbsp;&nbsp;&nbsp;&nbsp;', $error_message);
653 // Replace linebreaks
654 $error_message = nl2br($error_message);
655
656 $error_msg_output .= '<code>' . "\n"
657 . $error_message . "\n"
658 . '</code><br />' . "\n";
659 $error_msg_output .= '</div>';
660
661 $_SESSION['Import_message']['message'] = $error_msg_output;
662
663 if ($exit) {
664 /**
665 * If in an Ajax request
666 * - avoid displaying a Back link
667 * - use PMA_ajaxResponse() to transmit the message and exit
668 */
669 if($GLOBALS['is_ajax_request'] == true) {
670 PMA_ajaxResponse($error_msg_output, false);
671 }
672 if (! empty($back_url)) {
673 if (strstr($back_url, '?')) {
674 $back_url .= '&amp;no_history=true';
675 } else {
676 $back_url .= '?no_history=true';
677 }
678
679 $_SESSION['Import_message']['go_back_url'] = $back_url;
680
681 $error_msg_output .= '<fieldset class="tblFooters">';
682 $error_msg_output .= '[ <a href="' . $back_url . '">' . __('Back') . '</a> ]';
683 $error_msg_output .= '</fieldset>' . "\n\n";
684 }
685
686 echo $error_msg_output;
687 /**
688 * display footer and exit
689 */
690 require './libraries/footer.inc.php';
691 } else {
692 echo $error_msg_output;
693 }
694 } // end of the 'PMA_mysqlDie()' function
695
696 /**
697 * returns array with tables of given db with extended information and grouped
698 *
699 * @uses $cfg['LeftFrameTableSeparator']
700 * @uses $cfg['LeftFrameTableLevel']
701 * @uses $cfg['ShowTooltipAliasTB']
702 * @uses $cfg['NaturalOrder']
703 * @uses PMA_backquote()
704 * @uses count()
705 * @uses array_merge
706 * @uses uksort()
707 * @uses strstr()
708 * @uses explode()
709 * @param string $db name of db
710 * @param string $tables name of tables
711 * @param integer $limit_offset list offset
712 * @param integer $limit_count max tables to return
713 * return array (recursive) grouped table list
714 */
715 function PMA_getTableList($db, $tables = null, $limit_offset = 0, $limit_count = false)
716 {
717 $sep = $GLOBALS['cfg']['LeftFrameTableSeparator'];
718
719 if (null === $tables) {
720 $tables = PMA_DBI_get_tables_full($db, false, false, null, $limit_offset, $limit_count);
721 if ($GLOBALS['cfg']['NaturalOrder']) {
722 uksort($tables, 'strnatcasecmp');
723 }
724 }
725
726 if (count($tables) < 1) {
727 return $tables;
728 }
729
730 $default = array(
731 'Name' => '',
732 'Rows' => 0,
733 'Comment' => '',
734 'disp_name' => '',
735 );
736
737 $table_groups = array();
738
739 // for blobstreaming - list of blobstreaming tables
740
741 // load PMA configuration
742 $PMA_Config = $GLOBALS['PMA_Config'];
743
744 foreach ($tables as $table_name => $table) {
745 // if BS tables exist
746 if (PMA_BS_IsHiddenTable($table_name)) {
747 continue;
748 }
749
750 // check for correct row count
751 if (null === $table['Rows']) {
752 // Do not check exact row count here,
753 // if row count is invalid possibly the table is defect
754 // and this would break left frame;
755 // but we can check row count if this is a view or the
756 // information_schema database
757 // since PMA_Table::countRecords() returns a limited row count
758 // in this case.
759
760 // set this because PMA_Table::countRecords() can use it
761 $tbl_is_view = PMA_Table::isView($db, $table['Name']);
762
763 if ($tbl_is_view || 'information_schema' == $db) {
764 $table['Rows'] = PMA_Table::countRecords($db, $table['Name']);
765 }
766 }
767
768 // in $group we save the reference to the place in $table_groups
769 // where to store the table info
770 if ($GLOBALS['cfg']['LeftFrameDBTree']
771 && $sep && strstr($table_name, $sep))
772 {
773 $parts = explode($sep, $table_name);
774
775 $group =& $table_groups;
776 $i = 0;
777 $group_name_full = '';
778 $parts_cnt = count($parts) - 1;
779 while ($i < $parts_cnt
780 && $i < $GLOBALS['cfg']['LeftFrameTableLevel']) {
781 $group_name = $parts[$i] . $sep;
782 $group_name_full .= $group_name;
783
784 if (!isset($group[$group_name])) {
785 $group[$group_name] = array();
786 $group[$group_name]['is' . $sep . 'group'] = true;
787 $group[$group_name]['tab' . $sep . 'count'] = 1;
788 $group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
789 } elseif (!isset($group[$group_name]['is' . $sep . 'group'])) {
790 $table = $group[$group_name];
791 $group[$group_name] = array();
792 $group[$group_name][$group_name] = $table;
793 unset($table);
794 $group[$group_name]['is' . $sep . 'group'] = true;
795 $group[$group_name]['tab' . $sep . 'count'] = 1;
796 $group[$group_name]['tab' . $sep . 'group'] = $group_name_full;
797 } else {
798 $group[$group_name]['tab' . $sep . 'count']++;
799 }
800 $group =& $group[$group_name];
801 $i++;
802 }
803 } else {
804 if (!isset($table_groups[$table_name])) {
805 $table_groups[$table_name] = array();
806 }
807 $group =& $table_groups;
808 }
809
810
811 if ($GLOBALS['cfg']['ShowTooltipAliasTB']
812 && $GLOBALS['cfg']['ShowTooltipAliasTB'] !== 'nested') {
813 // switch tooltip and name
814 $table['Comment'] = $table['Name'];
815 $table['disp_name'] = $table['Comment'];
816 } else {
817 $table['disp_name'] = $table['Name'];
818 }
819
820 $group[$table_name] = array_merge($default, $table);
821 }
822
823 return $table_groups;
824 }
825
826 /* ----------------------- Set of misc functions ----------------------- */
827
828
829 /**
830 * Adds backquotes on both sides of a database, table or field name.
831 * and escapes backquotes inside the name with another backquote
832 *
833 * example:
834 * <code>
835 * echo PMA_backquote('owner`s db'); // `owner``s db`
836 *
837 * </code>
838 *
839 * @uses PMA_backquote()
840 * @uses is_array()
841 * @uses strlen()
842 * @uses str_replace()
843 * @param mixed $a_name the database, table or field name to "backquote"
844 * or array of it
845 * @param boolean $do_it a flag to bypass this function (used by dump
846 * functions)
847 * @return mixed the "backquoted" database, table or field name if the
848 * current MySQL release is >= 3.23.6, the original one
849 * else
850 * @access public
851 */
852 function PMA_backquote($a_name, $do_it = true)
853 {
854 if (is_array($a_name)) {
855 foreach ($a_name as &$data) {
856 $data = PMA_backquote($data, $do_it);
857 }
858 return $a_name;
859 }
860
861 if (! $do_it) {
862 global $PMA_SQPdata_forbidden_word;
863 global $PMA_SQPdata_forbidden_word_cnt;
864
865 if(! PMA_STR_binarySearchInArr(strtoupper($a_name), $PMA_SQPdata_forbidden_word, $PMA_SQPdata_forbidden_word_cnt)) {
866 return $a_name;
867 }
868 }
869
870 // '0' is also empty for php :-(
871 if (strlen($a_name) && $a_name !== '*') {
872 return '`' . str_replace('`', '``', $a_name) . '`';
873 } else {
874 return $a_name;
875 }
876 } // end of the 'PMA_backquote()' function
877
878
879 /**
880 * Defines the <CR><LF> value depending on the user OS.
881 *
882 * @uses PMA_USR_OS
883 * @return string the <CR><LF> value to use
884 *
885 * @access public
886 */
887 function PMA_whichCrlf()
888 {
889 $the_crlf = "\n";
890
891 // The 'PMA_USR_OS' constant is defined in "./libraries/Config.class.php"
892 // Win case
893 if (PMA_USR_OS == 'Win') {
894 $the_crlf = "\r\n";
895 }
896 // Others
897 else {
898 $the_crlf = "\n";
899 }
900
901 return $the_crlf;
902 } // end of the 'PMA_whichCrlf()' function
903
904 /**
905 * Reloads navigation if needed.
906 *
907 * @param $jsonly prints out pure JavaScript
908 * @uses $GLOBALS['reload']
909 * @uses $GLOBALS['db']
910 * @uses PMA_generate_common_url()
911 * @global array configuration
912 *
913 * @access public
914 */
915 function PMA_reloadNavigation($jsonly=false)
916 {
917 global $cfg;
918
919 // Reloads the navigation frame via JavaScript if required
920 if (isset($GLOBALS['reload']) && $GLOBALS['reload']) {
921 // one of the reasons for a reload is when a table is dropped
922 // in this case, get rid of the table limit offset, otherwise
923 // we have a problem when dropping a table on the last page
924 // and the offset becomes greater than the total number of tables
925 unset($_SESSION['tmp_user_values']['table_limit_offset']);
926 echo "\n";
927 $reload_url = './navigation.php?' . PMA_generate_common_url($GLOBALS['db'], '', '&');
928 if (!$jsonly)
929 echo '<script type="text/javascript">' . PHP_EOL;
930 ?>
931 //<![CDATA[
932 if (typeof(window.parent) != 'undefined'
933 && typeof(window.parent.frame_navigation) != 'undefined'
934 && window.parent.goTo) {
935 window.parent.goTo('<?php echo $reload_url; ?>');
936 }
937 //]]>
938 <?php
939 if (!$jsonly)
940 echo '</script>' . PHP_EOL;
941
942 unset($GLOBALS['reload']);
943 }
944 }
945
946 /**
947 * displays the message and the query
948 * usually the message is the result of the query executed
949 *
950 * @param string $message the message to display
951 * @param string $sql_query the query to display
952 * @param string $type the type (level) of the message
953 * @param boolean $is_view is this a message after a VIEW operation?
954 * @global array the configuration array
955 * @uses $cfg
956 * @access public
957 */
958 function PMA_showMessage($message, $sql_query = null, $type = 'notice', $is_view = false)
959 {
960 /*
961 * PMA_ajaxResponse uses this function to collect the string of HTML generated
962 * for showing the message. Use output buffering to collect it and return it
963 * in a string. In some special cases on sql.php, buffering has to be disabled
964 * and hence we check with $GLOBALS['buffer_message']
965 */
966 if( $GLOBALS['is_ajax_request'] == true && !isset($GLOBALS['buffer_message']) ) {
967 ob_start();
968 }
969 global $cfg;
970
971 if (null === $sql_query) {
972 if (! empty($GLOBALS['display_query'])) {
973 $sql_query = $GLOBALS['display_query'];
974 } elseif ($cfg['SQP']['fmtType'] == 'none' && ! empty($GLOBALS['unparsed_sql'])) {
975 $sql_query = $GLOBALS['unparsed_sql'];
976 } elseif (! empty($GLOBALS['sql_query'])) {
977 $sql_query = $GLOBALS['sql_query'];
978 } else {
979 $sql_query = '';
980 }
981 }
982
983 if (isset($GLOBALS['using_bookmark_message'])) {
984 $GLOBALS['using_bookmark_message']->display();
985 unset($GLOBALS['using_bookmark_message']);
986 }
987
988 // Corrects the tooltip text via JS if required
989 // @todo this is REALLY the wrong place to do this - very unexpected here
990 if (! $is_view && strlen($GLOBALS['table']) && $cfg['ShowTooltip']) {
991 $tooltip = PMA_Table::sGetToolTip($GLOBALS['db'], $GLOBALS['table']);
992 $uni_tbl = PMA_jsFormat($GLOBALS['db'] . '.' . $GLOBALS['table'], false);
993 echo "\n";
994 echo '<script type="text/javascript">' . "\n";
995 echo '//<![CDATA[' . "\n";
996 echo "if (window.parent.updateTableTitle) window.parent.updateTableTitle('" . $uni_tbl . "', '" . PMA_jsFormat($tooltip, false) . "');" . "\n";
997 echo '//]]>' . "\n";
998 echo '</script>' . "\n";
999 } // end if ... elseif
1000
1001 // Checks if the table needs to be repaired after a TRUNCATE query.
1002 // @todo what about $GLOBALS['display_query']???
1003 // @todo this is REALLY the wrong place to do this - very unexpected here
1004 if (strlen($GLOBALS['table'])
1005 && $GLOBALS['sql_query'] == 'TRUNCATE TABLE ' . PMA_backquote($GLOBALS['table'])) {
1006 if (PMA_Table::sGetStatusInfo($GLOBALS['db'], $GLOBALS['table'], 'Index_length') > 1024) {
1007 PMA_DBI_try_query('REPAIR TABLE ' . PMA_backquote($GLOBALS['table']));
1008 }
1009 }
1010 unset($tbl_status);
1011
1012 // In an Ajax request, $GLOBALS['cell_align_left'] may not be defined. Hence,
1013 // check for it's presence before using it
1014 echo '<div id="result_query" align="' . ( isset($GLOBALS['cell_align_left']) ? $GLOBALS['cell_align_left'] : '' ) . '">' . "\n";
1015
1016 if ($message instanceof PMA_Message) {
1017 if (isset($GLOBALS['special_message'])) {
1018 $message->addMessage($GLOBALS['special_message']);
1019 unset($GLOBALS['special_message']);
1020 }
1021 $message->display();
1022 $type = $message->getLevel();
1023 } else {
1024 echo '<div class="' . $type . '">';
1025 echo PMA_sanitize($message);
1026 if (isset($GLOBALS['special_message'])) {
1027 echo PMA_sanitize($GLOBALS['special_message']);
1028 unset($GLOBALS['special_message']);
1029 }
1030 echo '</div>';
1031 }
1032
1033 if ($cfg['ShowSQL'] == true && ! empty($sql_query)) {
1034 // Html format the query to be displayed
1035 // If we want to show some sql code it is easiest to create it here
1036 /* SQL-Parser-Analyzer */
1037
1038 if (! empty($GLOBALS['show_as_php'])) {
1039 $new_line = '\\n"<br />' . "\n"
1040 . '&nbsp;&nbsp;&nbsp;&nbsp;. "';
1041 $query_base = htmlspecialchars(addslashes($sql_query));
1042 $query_base = preg_replace('/((\015\012)|(\015)|(\012))/', $new_line, $query_base);
1043 } else {
1044 $query_base = $sql_query;
1045 }
1046
1047 $query_too_big = false;
1048
1049 if (strlen($query_base) > $cfg['MaxCharactersInDisplayedSQL']) {
1050 // when the query is large (for example an INSERT of binary
1051 // data), the parser chokes; so avoid parsing the query
1052 $query_too_big = true;
1053 $shortened_query_base = nl2br(htmlspecialchars(substr($sql_query, 0, $cfg['MaxCharactersInDisplayedSQL']) . '[...]'));
1054 } elseif (! empty($GLOBALS['parsed_sql'])
1055 && $query_base == $GLOBALS['parsed_sql']['raw']) {
1056 // (here, use "! empty" because when deleting a bookmark,
1057 // $GLOBALS['parsed_sql'] is set but empty
1058 $parsed_sql = $GLOBALS['parsed_sql'];
1059 } else {
1060 // Parse SQL if needed
1061 $parsed_sql = PMA_SQP_parse($query_base);
1062 if (PMA_SQP_isError()) {
1063 unset($parsed_sql);
1064 }
1065 }
1066
1067 // Analyze it
1068 if (isset($parsed_sql)) {
1069 $analyzed_display_query = PMA_SQP_analyze($parsed_sql);
1070 // Here we append the LIMIT added for navigation, to
1071 // enable its display. Adding it higher in the code
1072 // to $sql_query would create a problem when
1073 // using the Refresh or Edit links.
1074
1075 // Only append it on SELECTs.
1076
1077 /**
1078 * @todo what would be the best to do when someone hits Refresh:
1079 * use the current LIMITs ?
1080 */
1081
1082 if (isset($analyzed_display_query[0]['queryflags']['select_from'])
1083 && isset($GLOBALS['sql_limit_to_append'])) {
1084 $query_base = $analyzed_display_query[0]['section_before_limit']
1085 . "\n" . $GLOBALS['sql_limit_to_append']
1086 . $analyzed_display_query[0]['section_after_limit'];
1087 // Need to reparse query
1088 $parsed_sql = PMA_SQP_parse($query_base);
1089 }
1090 }
1091
1092 if (! empty($GLOBALS['show_as_php'])) {
1093 $query_base = '$sql = "' . $query_base;
1094 } elseif (! empty($GLOBALS['validatequery'])) {
1095 try {
1096 $query_base = PMA_validateSQL($query_base);
1097 } catch (Exception $e) {
1098 PMA_Message::error(__('Failed to connect to SQL validator!'))->display();
1099 }
1100 } elseif (isset($parsed_sql)) {
1101 $query_base = PMA_formatSql($parsed_sql, $query_base);
1102 }
1103
1104 // Prepares links that may be displayed to edit/explain the query
1105 // (don't go to default pages, we must go to the page
1106 // where the query box is available)
1107
1108 // Basic url query part
1109 $url_params = array();
1110 if (! isset($GLOBALS['db'])) {
1111 $GLOBALS['db'] = '';
1112 }
1113 if (strlen($GLOBALS['db'])) {
1114 $url_params['db'] = $GLOBALS['db'];
1115 if (strlen($GLOBALS['table'])) {
1116 $url_params['table'] = $GLOBALS['table'];
1117 $edit_link = 'tbl_sql.php';
1118 } else {
1119 $edit_link = 'db_sql.php';
1120 }
1121 } else {
1122 $edit_link = 'server_sql.php';
1123 }
1124
1125 // Want to have the query explained (Mike Beck 2002-05-22)
1126 // but only explain a SELECT (that has not been explained)
1127 /* SQL-Parser-Analyzer */
1128 $explain_link = '';
1129 if (! empty($cfg['SQLQuery']['Explain']) && ! $query_too_big) {
1130 $explain_params = $url_params;
1131 // Detect if we are validating as well
1132 // To preserve the validate uRL data
1133 if (! empty($GLOBALS['validatequery'])) {
1134 $explain_params['validatequery'] = 1;
1135 }
1136
1137 if (preg_match('@^SELECT[[:space:]]+@i', $sql_query)) {
1138 $explain_params['sql_query'] = 'EXPLAIN ' . $sql_query;
1139 $_message = __('Explain SQL');
1140 } elseif (preg_match('@^EXPLAIN[[:space:]]+SELECT[[:space:]]+@i', $sql_query)) {
1141 $explain_params['sql_query'] = substr($sql_query, 8);
1142 $_message = __('Skip Explain SQL');
1143 }
1144 if (isset($explain_params['sql_query'])) {
1145 $explain_link = 'import.php' . PMA_generate_common_url($explain_params);
1146 $explain_link = ' [' . PMA_linkOrButton($explain_link, $_message) . ']';
1147 }
1148 } //show explain
1149
1150 $url_params['sql_query'] = $sql_query;
1151 $url_params['show_query'] = 1;
1152
1153 // even if the query is big and was truncated, offer the chance
1154 // to edit it (unless it's enormous, see PMA_linkOrButton() )
1155 if (! empty($cfg['SQLQuery']['Edit'])) {
1156 if ($cfg['EditInWindow'] == true) {
1157 $onclick = 'window.parent.focus_querywindow(\'' . PMA_jsFormat($sql_query, false) . '\'); return false;';
1158 } else {
1159 $onclick = '';
1160 }
1161
1162 $edit_link .= PMA_generate_common_url($url_params) . '#querybox';
1163 $edit_link = ' [' . PMA_linkOrButton($edit_link, __('Edit'), array('onclick' => $onclick)) . ']';
1164 } else {
1165 $edit_link = '';
1166 }
1167
1168 $url_qpart = PMA_generate_common_url($url_params);
1169
1170 // Also we would like to get the SQL formed in some nice
1171 // php-code (Mike Beck 2002-05-22)
1172 if (! empty($cfg['SQLQuery']['ShowAsPHP']) && ! $query_too_big) {
1173 $php_params = $url_params;
1174
1175 if (! empty($GLOBALS['show_as_php'])) {
1176 $_message = __('Without PHP Code');
1177 } else {
1178 $php_params['show_as_php'] = 1;
1179 $_message = __('Create PHP Code');
1180 }
1181
1182 $php_link = 'import.php' . PMA_generate_common_url($php_params);
1183 $php_link = ' [' . PMA_linkOrButton($php_link, $_message) . ']';
1184
1185 if (isset($GLOBALS['show_as_php'])) {
1186 $runquery_link = 'import.php' . PMA_generate_common_url($url_params);
1187 $php_link .= ' [' . PMA_linkOrButton($runquery_link, __('Submit Query')) . ']';
1188 }
1189 } else {
1190 $php_link = '';
1191 } //show as php
1192
1193 // Refresh query
1194 if (! empty($cfg['SQLQuery']['Refresh'])
1195 && preg_match('@^(SELECT|SHOW)[[:space:]]+@i', $sql_query)) {
1196 $refresh_link = 'import.php' . PMA_generate_common_url($url_params);
1197 $refresh_link = ' [' . PMA_linkOrButton($refresh_link, __('Refresh')) . ']';
1198 } else {
1199 $refresh_link = '';
1200 } //show as php
1201
1202 if (! empty($cfg['SQLValidator']['use'])
1203 && ! empty($cfg['SQLQuery']['Validate'])) {
1204 $validate_params = $url_params;
1205 if (!empty($GLOBALS['validatequery'])) {
1206 $validate_message = __('Skip Validate SQL') ;
1207 } else {
1208 $validate_params['validatequery'] = 1;
1209 $validate_message = __('Validate SQL') ;
1210 }
1211
1212 $validate_link = 'import.php' . PMA_generate_common_url($validate_params);
1213 $validate_link = ' [' . PMA_linkOrButton($validate_link, $validate_message) . ']';
1214 } else {
1215 $validate_link = '';
1216 } //validator
1217
1218 if (!empty($GLOBALS['validatequery'])) {
1219 echo '<div class="sqlvalidate">';
1220 } else {
1221 echo '<code class="sql">';
1222 }
1223 if ($query_too_big) {
1224 echo $shortened_query_base;
1225 } else {
1226 echo $query_base;
1227 }
1228
1229 //Clean up the end of the PHP
1230 if (! empty($GLOBALS['show_as_php'])) {
1231 echo '";';
1232 }
1233 if (!empty($GLOBALS['validatequery'])) {
1234 echo '</div>';
1235 } else {
1236 echo '</code>';
1237 }
1238
1239 echo '<div class="tools">';
1240 // avoid displaying a Profiling checkbox that could
1241 // be checked, which would reexecute an INSERT, for example
1242 if (! empty($refresh_link)) {
1243 PMA_profilingCheckbox($sql_query);
1244 }
1245 // if needed, generate an invisible form that contains controls for the
1246 // Inline link; this way, the behavior of the Inline link does not
1247 // depend on the profiling support or on the refresh link
1248 if (empty($refresh_link) || ! PMA_profilingSupported()) {
1249 echo '<form action="sql.php" method="post">';
1250 echo PMA_generate_common_hidden_inputs($GLOBALS['db'], $GLOBALS['table']);
1251 echo '<input type="hidden" name="sql_query" value="' . htmlspecialchars($sql_query) . '" />';
1252 echo '</form>';
1253 }
1254
1255 // in the tools div, only display the Inline link when not in ajax
1256 // mode because 1) it currently does not work and 2) we would
1257 // have two similar mechanisms on the page for the same goal
1258 if ($GLOBALS['is_ajax_request'] === false) {
1259 // see in js/functions.js the jQuery code attached to id inline_edit
1260 // document.write conflicts with jQuery, hence used $().append()
1261 echo "<script type=\"text/javascript\">\n" .
1262 "//<![CDATA[\n" .
1263 "$('.tools').append('[<a href=\"#\" title=\"" .
1264 PMA_escapeJsString(__('Inline edit of this query')) .
1265 "\" id=\"inline_edit\">" .
1266 PMA_escapeJsString(__('Inline')) .
1267 "</a>]');\n" .
1268 "//]]>\n" .
1269 "</script>";
1270 }
1271 echo $edit_link . $explain_link . $php_link . $refresh_link . $validate_link;
1272 echo '</div>';
1273 }
1274 echo '</div>';
1275 if ($GLOBALS['is_ajax_request'] === false) {
1276 echo '<br class="clearfloat" />';
1277 }
1278
1279 // If we are in an Ajax request, we have most probably been called in
1280 // PMA_ajaxResponse(). Hence, collect the buffer contents and return it
1281 // to PMA_ajaxResponse(), which will encode it for JSON.
1282 if( $GLOBALS['is_ajax_request'] == true && !isset($GLOBALS['buffer_message']) ) {
1283 $buffer_contents = ob_get_contents();
1284 ob_end_clean();
1285 return $buffer_contents;
1286 }
1287 } // end of the 'PMA_showMessage()' function
1288
1289 /**
1290 * Verifies if current MySQL server supports profiling
1291 *
1292 * @uses $_SESSION['profiling_supported'] for caching
1293 * @uses $GLOBALS['server']
1294 * @uses PMA_DBI_fetch_value()
1295 * @uses PMA_MYSQL_INT_VERSION
1296 * @uses defined()
1297 * @access public
1298 * @return boolean whether profiling is supported
1299 *
1300 */
1301 function PMA_profilingSupported()
1302 {
1303 if (! PMA_cacheExists('profiling_supported', true)) {
1304 // 5.0.37 has profiling but for example, 5.1.20 does not
1305 // (avoid a trip to the server for MySQL before 5.0.37)
1306 // and do not set a constant as we might be switching servers
1307 if (defined('PMA_MYSQL_INT_VERSION')
1308 && PMA_MYSQL_INT_VERSION >= 50037
1309 && PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'profiling'")) {
1310 PMA_cacheSet('profiling_supported', true, true);
1311 } else {
1312 PMA_cacheSet('profiling_supported', false, true);
1313 }
1314 }
1315
1316 return PMA_cacheGet('profiling_supported', true);
1317 }
1318
1319 /**
1320 * Displays a form with the Profiling checkbox
1321 *
1322 * @param string $sql_query
1323 * @access public
1324 *
1325 */
1326 function PMA_profilingCheckbox($sql_query)
1327 {
1328 if (PMA_profilingSupported()) {
1329 echo '<form action="sql.php" method="post">' . "\n";
1330 echo PMA_generate_common_hidden_inputs($GLOBALS['db'], $GLOBALS['table']);
1331 echo '<input type="hidden" name="sql_query" value="' . htmlspecialchars($sql_query) . '" />' . "\n";
1332 echo '<input type="hidden" name="profiling_form" value="1" />' . "\n";
1333 PMA_display_html_checkbox('profiling', __('Profiling'), isset($_SESSION['profiling']), true);
1334 echo '<noscript><input type="submit" value="' . __('Go') . '" /></noscript>' . "\n";
1335 echo '</form>' . "\n";
1336 }
1337 }
1338
1339 /**
1340 * Displays the results of SHOW PROFILE
1341 *
1342 * @param array the results
1343 * @param boolean show chart
1344 * @access public
1345 *
1346 */
1347 function PMA_profilingResults($profiling_results, $show_chart = false)
1348 {
1349 echo '<fieldset><legend>' . __('Profiling') . '</legend>' . "\n";
1350 echo '<div style="float: left;">';
1351 echo '<table>' . "\n";
1352 echo ' <tr>' . "\n";
1353 echo ' <th>' . __('Status') . '</th>' . "\n";
1354 echo ' <th>' . __('Time') . '</th>' . "\n";
1355 echo ' </tr>' . "\n";
1356
1357 foreach($profiling_results as $one_result) {
1358 echo ' <tr>' . "\n";
1359 echo '<td>' . $one_result['Status'] . '</td>' . "\n";
1360 echo '<td>' . $one_result['Duration'] . '</td>' . "\n";
1361 }
1362
1363 echo '</table>' . "\n";
1364 echo '</div>';
1365
1366 if ($show_chart) {
1367 require_once './libraries/chart.lib.php';
1368 echo '<div style="float: left;">';
1369 PMA_chart_profiling($profiling_results);
1370 echo '</div>';
1371 }
1372
1373 echo '</fieldset>' . "\n";
1374 }
1375
1376 /**
1377 * Formats $value to byte view
1378 *
1379 * @param double the value to format
1380 * @param integer the sensitiveness
1381 * @param integer the number of decimals to retain
1382 *
1383 * @return array the formatted value and its unit
1384 *
1385 * @access public
1386 *
1387 * @version 1.2 - 18 July 2002
1388 */
1389 function PMA_formatByteDown($value, $limes = 6, $comma = 0)
1390 {
1391 /* l10n: shortcuts for Byte, Kilo, Mega, Giga, Tera, Peta, Exa+ */
1392 $byteUnits = array(__('B'), __('KiB'), __('MiB'), __('GiB'), __('TiB'), __('PiB'), __('EiB'));
1393
1394 $dh = PMA_pow(10, $comma);
1395 $li = PMA_pow(10, $limes);
1396 $return_value = $value;
1397 $unit = $byteUnits[0];
1398
1399 for ($d = 6, $ex = 15; $d >= 1; $d--, $ex-=3) {
1400 if (isset($byteUnits[$d]) && $value >= $li * PMA_pow(10, $ex)) {
1401 // use 1024.0 to avoid integer overflow on 64-bit machines
1402 $value = round($value / (PMA_pow(1024, $d) / $dh)) /$dh;
1403 $unit = $byteUnits[$d];
1404 break 1;
1405 } // end if
1406 } // end for
1407
1408 if ($unit != $byteUnits[0]) {
1409 // if the unit is not bytes (as represented in current language)
1410 // reformat with max length of 5
1411 // 4th parameter=true means do not reformat if value < 1
1412 $return_value = PMA_formatNumber($value, 5, $comma, true);
1413 } else {
1414 // do not reformat, just handle the locale
1415 $return_value = PMA_formatNumber($value, 0);
1416 }
1417
1418 return array(trim($return_value), $unit);
1419 } // end of the 'PMA_formatByteDown' function
1420
1421 /**
1422 * Changes thousands and decimal separators to locale specific values.
1423 */
1424 function PMA_localizeNumber($value)
1425 {
1426 return str_replace(
1427 array(',', '.'),
1428 array(
1429 /* l10n: Thousands separator */
1430 __(','),
1431 /* l10n: Decimal separator */
1432 __('.'),
1433 ),
1434 $value);
1435 }
1436
1437 /**
1438 * Formats $value to the given length and appends SI prefixes
1439 * $comma is not substracted from the length
1440 * with a $length of 0 no truncation occurs, number is only formated
1441 * to the current locale
1442 *
1443 * examples:
1444 * <code>
1445 * echo PMA_formatNumber(123456789, 6); // 123,457 k
1446 * echo PMA_formatNumber(-123456789, 4, 2); // -123.46 M
1447 * echo PMA_formatNumber(-0.003, 6); // -3 m
1448 * echo PMA_formatNumber(0.003, 3, 3); // 0.003
1449 * echo PMA_formatNumber(0.00003, 3, 2); // 0.03 m
1450 * echo PMA_formatNumber(0, 6); // 0
1451 *
1452 * </code>
1453 * @param double $value the value to format
1454 * @param integer $length the max length
1455 * @param integer $comma the number of decimals to retain
1456 * @param boolean $only_down do not reformat numbers below 1
1457 *
1458 * @return string the formatted value and its unit
1459 *
1460 * @access public
1461 *
1462 * @version 1.1.0 - 2005-10-27
1463 */
1464 function PMA_formatNumber($value, $length = 3, $comma = 0, $only_down = false)
1465 {
1466 //number_format is not multibyte safe, str_replace is safe
1467 if ($length === 0) {
1468 return PMA_localizeNumber(number_format($value, $comma));
1469 }
1470
1471 // this units needs no translation, ISO
1472 $units = array(
1473 -8 => 'y',
1474 -7 => 'z',
1475 -6 => 'a',
1476 -5 => 'f',
1477 -4 => 'p',
1478 -3 => 'n',
1479 -2 => '&micro;',
1480 -1 => 'm',
1481 0 => ' ',
1482 1 => 'k',
1483 2 => 'M',
1484 3 => 'G',
1485 4 => 'T',
1486 5 => 'P',
1487 6 => 'E',
1488 7 => 'Z',
1489 8 => 'Y'
1490 );
1491
1492 // we need at least 3 digits to be displayed
1493 if (3 > $length + $comma) {
1494 $length = 3 - $comma;
1495 }
1496
1497 // check for negative value to retain sign
1498 if ($value < 0) {
1499 $sign = '-';
1500 $value = abs($value);
1501 } else {
1502 $sign = '';
1503 }
1504
1505 $dh = PMA_pow(10, $comma);
1506 $li = PMA_pow(10, $length);
1507 $unit = $units[0];
1508
1509 if ($value >= 1) {
1510 for ($d = 8; $d >= 0; $d--) {
1511 if (isset($units[$d]) && $value >= $li * PMA_pow(1000, $d-1)) {
1512 $value = round($value / (PMA_pow(1000, $d) / $dh)) /$dh;
1513 $unit = $units[$d];
1514 break 1;
1515 } // end if
1516 } // end for
1517 } elseif (!$only_down && (float) $value !== 0.0) {
1518 for ($d = -8; $d <= 8; $d++) {
1519 // force using pow() because of the negative exponent
1520 if (isset($units[$d]) && $value <= $li * PMA_pow(1000, $d-1, 'pow')) {
1521 $value = round($value / (PMA_pow(1000, $d, 'pow') / $dh)) /$dh;
1522 $unit = $units[$d];
1523 break 1;
1524 } // end if
1525 } // end for
1526 } // end if ($value >= 1) elseif (!$only_down && (float) $value !== 0.0)
1527
1528 //number_format is not multibyte safe, str_replace is safe
1529 $value = PMA_localizeNumber(number_format($value, $comma));
1530
1531 return $sign . $value . ' ' . $unit;
1532 } // end of the 'PMA_formatNumber' function
1533
1534 /**
1535 * Returns the number of bytes when a formatted size is given
1536 *
1537 * @param string $size the size expression (for example 8MB)
1538 * @uses PMA_pow()
1539 * @return integer The numerical part of the expression (for example 8)
1540 */
1541 function PMA_extractValueFromFormattedSize($formatted_size)
1542 {
1543 $return_value = -1;
1544
1545 if (preg_match('/^[0-9]+GB$/', $formatted_size)) {
1546 $return_value = substr($formatted_size, 0, -2) * PMA_pow(1024, 3);
1547 } elseif (preg_match('/^[0-9]+MB$/', $formatted_size)) {
1548 $return_value = substr($formatted_size, 0, -2) * PMA_pow(1024, 2);
1549 } elseif (preg_match('/^[0-9]+K$/', $formatted_size)) {
1550 $return_value = substr($formatted_size, 0, -1) * PMA_pow(1024, 1);
1551 }
1552 return $return_value;
1553 }// end of the 'PMA_extractValueFromFormattedSize' function
1554
1555 /**
1556 * Writes localised date
1557 *
1558 * @param string the current timestamp
1559 *
1560 * @return string the formatted date
1561 *
1562 * @access public
1563 */
1564 function PMA_localisedDate($timestamp = -1, $format = '')
1565 {
1566 $month = array(
1567 /* l10n: Short month name */
1568 __('Jan'),
1569 /* l10n: Short month name */
1570 __('Feb'),
1571 /* l10n: Short month name */
1572 __('Mar'),
1573 /* l10n: Short month name */
1574 __('Apr'),
1575 /* l10n: Short month name */
1576 _pgettext('Short month name', 'May'),
1577 /* l10n: Short month name */
1578 __('Jun'),
1579 /* l10n: Short month name */
1580 __('Jul'),
1581 /* l10n: Short month name */
1582 __('Aug'),
1583 /* l10n: Short month name */
1584 __('Sep'),
1585 /* l10n: Short month name */
1586 __('Oct'),
1587 /* l10n: Short month name */
1588 __('Nov'),
1589 /* l10n: Short month name */
1590 __('Dec'));
1591 $day_of_week = array(
1592 /* l10n: Short week day name */
1593 __('Sun'),
1594 /* l10n: Short week day name */
1595 __('Mon'),
1596 /* l10n: Short week day name */
1597 __('Tue'),
1598 /* l10n: Short week day name */
1599 __('Wed'),
1600 /* l10n: Short week day name */
1601 __('Thu'),
1602 /* l10n: Short week day name */
1603 __('Fri'),
1604 /* l10n: Short week day name */
1605 __('Sat'));
1606
1607 if ($format == '') {
1608 /* l10n: See http://www.php.net/manual/en/function.strftime.php to define the format string */
1609 $format = __('%B %d, %Y at %I:%M %p');
1610 }
1611
1612 if ($timestamp == -1) {
1613 $timestamp = time();
1614 }
1615
1616 $date = preg_replace('@%[aA]@', $day_of_week[(int)strftime('%w', $timestamp)], $format);
1617 $date = preg_replace('@%[bB]@', $month[(int)strftime('%m', $timestamp)-1], $date);
1618
1619 return strftime($date, $timestamp);
1620 } // end of the 'PMA_localisedDate()' function
1621
1622
1623 /**
1624 * returns a tab for tabbed navigation.
1625 * If the variables $link and $args ar left empty, an inactive tab is created
1626 *
1627 * @uses $GLOBALS['PMA_PHP_SELF']
1628 * @uses $GLOBALS['active_page']
1629 * @uses $GLOBALS['url_query']
1630 * @uses $cfg['MainPageIconic']
1631 * @uses $GLOBALS['pmaThemeImage']
1632 * @uses PMA_generate_common_url()
1633 * @uses E_USER_NOTICE
1634 * @uses htmlentities()
1635 * @uses urlencode()
1636 * @uses sprintf()
1637 * @uses trigger_error()
1638 * @uses array_merge()
1639 * @uses basename()
1640 * @param array $tab array with all options
1641 * @param array $url_params
1642 * @return string html code for one tab, a link if valid otherwise a span
1643 * @access public
1644 */
1645 function PMA_generate_html_tab($tab, $url_params = array())
1646 {
1647 // default values
1648 $defaults = array(
1649 'text' => '',
1650 'class' => '',
1651 'active' => null,
1652 'link' => '',
1653 'sep' => '?',
1654 'attr' => '',
1655 'args' => '',
1656 'warning' => '',
1657 'fragment' => '',
1658 'id' => '',
1659 );
1660
1661 $tab = array_merge($defaults, $tab);
1662
1663 // determine additionnal style-class
1664 if (empty($tab['class'])) {
1665 if (! empty($tab['active'])
1666 || PMA_isValid($GLOBALS['active_page'], 'identical', $tab['link'])) {
1667 $tab['class'] = 'active';
1668 } elseif (is_null($tab['active']) && empty($GLOBALS['active_page'])
1669 && basename($GLOBALS['PMA_PHP_SELF']) == $tab['link']
1670 && empty($tab['warning'])) {
1671 $tab['class'] = 'active';
1672 }
1673 }
1674
1675 if (!empty($tab['warning'])) {
1676 $tab['class'] .= ' warning';
1677 $tab['attr'] .= ' title="' . htmlspecialchars($tab['warning']) . '"';
1678 }
1679
1680 // If there are any tab specific URL parameters, merge those with the general URL parameters
1681 if(! empty($tab['url_params']) && is_array($tab['url_params'])) {
1682 $url_params = array_merge($url_params, $tab['url_params']);
1683 }
1684
1685 // build the link
1686 if (!empty($tab['link'])) {
1687 $tab['link'] = htmlentities($tab['link']);
1688 $tab['link'] = $tab['link'] . PMA_generate_common_url($url_params);
1689 if (! empty($tab['args'])) {
1690 foreach ($tab['args'] as $param => $value) {
1691 $tab['link'] .= PMA_get_arg_separator('html') . urlencode($param) . '='
1692 . urlencode($value);
1693 }
1694 }
1695 }
1696
1697 if (! empty($tab['fragment'])) {
1698 $tab['link'] .= $tab['fragment'];
1699 }
1700
1701 // display icon, even if iconic is disabled but the link-text is missing
1702 if (($GLOBALS['cfg']['MainPageIconic'] || empty($tab['text']))
1703 && isset($tab['icon'])) {
1704 // avoid generating an alt tag, because it only illustrates
1705 // the text that follows and if browser does not display
1706 // images, the text is duplicated
1707 $image = '<img class="icon" src="' . htmlentities($GLOBALS['pmaThemeImage'])
1708 .'%1$s" width="16" height="16" alt="" />%2$s';
1709 $tab['text'] = sprintf($image, htmlentities($tab['icon']), $tab['text']);
1710 }
1711 // check to not display an empty link-text
1712 elseif (empty($tab['text'])) {
1713 $tab['text'] = '?';
1714 trigger_error('empty linktext in function ' . __FUNCTION__ . '()',
1715 E_USER_NOTICE);
1716 }
1717
1718 //Set the id for the tab, if set in the params
1719 $id_string = ( empty($tab['id']) ? '' : ' id="'.$tab['id'].'" ' );
1720 $out = '<li' . ($tab['class'] == 'active' ? ' class="active"' : '') . '>';
1721
1722 if (!empty($tab['link'])) {
1723 $out .= '<a class="tab' . htmlentities($tab['class']) . '"'
1724 .$id_string
1725 .' href="' . $tab['link'] . '" ' . $tab['attr'] . '>'
1726 . $tab['text'] . '</a>';
1727 } else {
1728 $out .= '<span class="tab' . htmlentities($tab['class']) . '"'.$id_string.'>'
1729 . $tab['text'] . '</span>';
1730 }
1731
1732 $out .= '</li>';
1733 return $out;
1734 } // end of the 'PMA_generate_html_tab()' function
1735
1736 /**
1737 * returns html-code for a tab navigation
1738 *
1739 * @uses PMA_generate_html_tab()
1740 * @uses htmlentities()
1741 * @param array $tabs one element per tab
1742 * @param string $url_params
1743 * @return string html-code for tab-navigation
1744 */
1745 function PMA_generate_html_tabs($tabs, $url_params)
1746 {
1747 $tag_id = 'topmenu';
1748 $tab_navigation =
1749 '<div id="' . htmlentities($tag_id) . 'container">' . "\n"
1750 .'<ul id="' . htmlentities($tag_id) . '">' . "\n";
1751
1752 foreach ($tabs as $tab) {
1753 $tab_navigation .= PMA_generate_html_tab($tab, $url_params);
1754 }
1755
1756 $tab_navigation .=
1757 '</ul>' . "\n"
1758 .'<div class="clearfloat"></div>'
1759 .'</div>' . "\n";
1760
1761 return $tab_navigation;
1762 }
1763
1764
1765 /**
1766 * Displays a link, or a button if the link's URL is too large, to
1767 * accommodate some browsers' limitations
1768 *
1769 * @param string the URL
1770 * @param string the link message
1771 * @param mixed $tag_params string: js confirmation
1772 * array: additional tag params (f.e. style="")
1773 * @param boolean $new_form we set this to false when we are already in
1774 * a form, to avoid generating nested forms
1775 *
1776 * @return string the results to be echoed or saved in an array
1777 */
1778 function PMA_linkOrButton($url, $message, $tag_params = array(),
1779 $new_form = true, $strip_img = false, $target = '')
1780 {
1781 $url_length = strlen($url);
1782 // with this we should be able to catch case of image upload
1783 // into a (MEDIUM) BLOB; not worth generating even a form for these
1784 if ($url_length > $GLOBALS['cfg']['LinkLengthLimit'] * 100) {
1785 return '';
1786 }
1787
1788 if (! is_array($tag_params)) {
1789 $tmp = $tag_params;
1790 $tag_params = array();
1791 if (!empty($tmp)) {
1792 $tag_params['onclick'] = 'return confirmLink(this, \'' . PMA_escapeJsString($tmp) . '\')';
1793 }
1794 unset($tmp);
1795 }
1796 if (! empty($target)) {
1797 $tag_params['target'] = htmlentities($target);
1798 }
1799
1800 $tag_params_strings = array();
1801 foreach ($tag_params as $par_name => $par_value) {
1802 // htmlspecialchars() only on non javascript
1803 $par_value = substr($par_name, 0, 2) == 'on'
1804 ? $par_value
1805 : htmlspecialchars($par_value);
1806 $tag_params_strings[] = $par_name . '="' . $par_value . '"';
1807 }
1808
1809 if ($url_length <= $GLOBALS['cfg']['LinkLengthLimit']) {
1810 // no whitespace within an <a> else Safari will make it part of the link
1811 $ret = "\n" . '<a href="' . $url . '" '
1812 . implode(' ', $tag_params_strings) . '>'
1813 . $message . '</a>' . "\n";
1814 } else {
1815 // no spaces (linebreaks) at all
1816 // or after the hidden fields
1817 // IE will display them all
1818
1819 // add class=link to submit button
1820 if (empty($tag_params['class'])) {
1821 $tag_params['class'] = 'link';
1822 }
1823
1824 // decode encoded url separators
1825 $separator = PMA_get_arg_separator();
1826 // on most places separator is still hard coded ...
1827 if ($separator !== '&') {
1828 // ... so always replace & with $separator
1829 $url = str_replace(htmlentities('&'), $separator, $url);
1830 $url = str_replace('&', $separator, $url);
1831 }
1832 $url = str_replace(htmlentities($separator), $separator, $url);
1833 // end decode
1834
1835 $url_parts = parse_url($url);
1836 $query_parts = explode($separator, $url_parts['query']);
1837 if ($new_form) {
1838 $ret = '<form action="' . $url_parts['path'] . '" class="link"'
1839 . ' method="post"' . $target . ' style="display: inline;">';
1840 $subname_open = '';
1841 $subname_close = '';
1842 $submit_name = '';
1843 } else {
1844 $query_parts[] = 'redirect=' . $url_parts['path'];
1845 if (empty($GLOBALS['subform_counter'])) {
1846 $GLOBALS['subform_counter'] = 0;
1847 }
1848 $GLOBALS['subform_counter']++;
1849 $ret = '';
1850 $subname_open = 'subform[' . $GLOBALS['subform_counter'] . '][';
1851 $subname_close = ']';
1852 $submit_name = ' name="usesubform[' . $GLOBALS['subform_counter'] . ']"';
1853 }
1854 foreach ($query_parts as $query_pair) {
1855 list($eachvar, $eachval) = explode('=', $query_pair);
1856 $ret .= '<input type="hidden" name="' . $subname_open . $eachvar
1857 . $subname_close . '" value="'
1858 . htmlspecialchars(urldecode($eachval)) . '" />';
1859 } // end while
1860
1861 if (stristr($message, '<img')) {
1862 if ($strip_img) {
1863 $message = trim(strip_tags($message));
1864 $ret .= '<input type="submit"' . $submit_name . ' '
1865 . implode(' ', $tag_params_strings)
1866 . ' value="' . htmlspecialchars($message) . '" />';
1867 } else {
1868 $displayed_message = htmlspecialchars(
1869 preg_replace('/^.*\salt="([^"]*)".*$/si', '\1',
1870 $message));
1871 $ret .= '<input type="image"' . $submit_name . ' '
1872 . implode(' ', $tag_params_strings)
1873 . ' src="' . preg_replace(
1874 '/^.*\ssrc="([^"]*)".*$/si', '\1', $message) . '"'
1875 . ' value="' . $displayed_message . '" title="' . $displayed_message . '" />';
1876 // Here we cannot obey PropertiesIconic completely as a
1877 // generated link would have a length over LinkLengthLimit
1878 // but we can at least show the message.
1879 // If PropertiesIconic is false or 'both'
1880 if ($GLOBALS['cfg']['PropertiesIconic'] !== true) {
1881 $ret .= ' <span class="clickprevimage">' . $displayed_message . '</span>';
1882 }
1883 }
1884 } else {
1885 $message = trim(strip_tags($message));
1886 $ret .= '<input type="submit"' . $submit_name . ' '
1887 . implode(' ', $tag_params_strings)
1888 . ' value="' . htmlspecialchars($message) . '" />';
1889 }
1890 if ($new_form) {
1891 $ret .= '</form>';
1892 }
1893 } // end if... else...
1894
1895 return $ret;
1896 } // end of the 'PMA_linkOrButton()' function
1897
1898
1899 /**
1900 * Returns a given timespan value in a readable format.
1901 *
1902 * @uses sprintf()
1903 * @uses floor()
1904 * @param int the timespan
1905 *
1906 * @return string the formatted value
1907 */
1908 function PMA_timespanFormat($seconds)
1909 {
1910 $return_string = '';
1911 $days = floor($seconds / 86400);
1912 if ($days > 0) {
1913 $seconds -= $days * 86400;
1914 }
1915 $hours = floor($seconds / 3600);
1916 if ($days > 0 || $hours > 0) {
1917 $seconds -= $hours * 3600;
1918 }
1919 $minutes = floor($seconds / 60);
1920 if ($days > 0 || $hours > 0 || $minutes > 0) {
1921 $seconds -= $minutes * 60;
1922 }
1923 return sprintf(__('%s days, %s hours, %s minutes and %s seconds'), (string)$days, (string)$hours, (string)$minutes, (string)$seconds);
1924 }
1925
1926 /**
1927 * Takes a string and outputs each character on a line for itself. Used
1928 * mainly for horizontalflipped display mode.
1929 * Takes care of special html-characters.
1930 * Fulfills todo-item
1931 * http://sf.net/tracker/?func=detail&aid=544361&group_id=23067&atid=377411
1932 *
1933 * @todo add a multibyte safe function PMA_STR_split()
1934 * @uses strlen
1935 * @param string The string
1936 * @param string The Separator (defaults to "<br />\n")
1937 *
1938 * @access public
1939 * @return string The flipped string
1940 */
1941 function PMA_flipstring($string, $Separator = "<br />\n")
1942 {
1943 $format_string = '';
1944 $charbuff = false;
1945
1946 for ($i = 0, $str_len = strlen($string); $i < $str_len; $i++) {
1947 $char = $string{$i};
1948 $append = false;
1949
1950 if ($char == '&') {
1951 $format_string .= $charbuff;
1952 $charbuff = $char;
1953 } elseif ($char == ';' && !empty($charbuff)) {
1954 $format_string .= $charbuff . $char;
1955 $charbuff = false;
1956 $append = true;
1957 } elseif (! empty($charbuff)) {
1958 $charbuff .= $char;
1959 } else {
1960 $format_string .= $char;
1961 $append = true;
1962 }
1963
1964 // do not add separator after the last character
1965 if ($append && ($i != $str_len - 1)) {
1966 $format_string .= $Separator;
1967 }
1968 }
1969
1970 return $format_string;
1971 }
1972
1973
1974 /**
1975 * Function added to avoid path disclosures.
1976 * Called by each script that needs parameters, it displays
1977 * an error message and, by default, stops the execution.
1978 *
1979 * Not sure we could use a strMissingParameter message here,
1980 * would have to check if the error message file is always available
1981 *
1982 * @todo localize error message
1983 * @todo use PMA_fatalError() if $die === true?
1984 * @uses PMA_getenv()
1985 * @uses header_meta_style.inc.php
1986 * @uses $GLOBALS['PMA_PHP_SELF']
1987 * basename
1988 * @param array The names of the parameters needed by the calling
1989 * script.
1990 * @param boolean Stop the execution?
1991 * (Set this manually to false in the calling script
1992 * until you know all needed parameters to check).
1993 * @param boolean Whether to include this list in checking for special params.
1994 * @global string path to current script
1995 * @global boolean flag whether any special variable was required
1996 *
1997 * @access public
1998 */
1999 function PMA_checkParameters($params, $die = true, $request = true)
2000 {
2001 global $checked_special;
2002
2003 if (!isset($checked_special)) {
2004 $checked_special = false;
2005 }
2006
2007 $reported_script_name = basename($GLOBALS['PMA_PHP_SELF']);
2008 $found_error = false;
2009 $error_message = '';
2010
2011 foreach ($params as $param) {
2012 if ($request && $param != 'db' && $param != 'table') {
2013 $checked_special = true;
2014 }
2015
2016 if (!isset($GLOBALS[$param])) {
2017 $error_message .= $reported_script_name
2018 . ': Missing parameter: ' . $param
2019 . PMA_showDocu('faqmissingparameters')
2020 . '<br />';
2021 $found_error = true;
2022 }
2023 }
2024 if ($found_error) {
2025 /**
2026 * display html meta tags
2027 */
2028 require_once './libraries/header_meta_style.inc.php';
2029 echo '</head><body><p>' . $error_message . '</p></body></html>';
2030 if ($die) {
2031 exit();
2032 }
2033 }
2034 } // end function
2035
2036 /**
2037 * Function to generate unique condition for specified row.
2038 *
2039 * @uses $GLOBALS['analyzed_sql'][0]
2040 * @uses PMA_DBI_field_flags()
2041 * @uses PMA_backquote()
2042 * @uses PMA_sqlAddslashes()
2043 * @uses PMA_printable_bit_value()
2044 * @uses stristr()
2045 * @uses bin2hex()
2046 * @uses preg_replace()
2047 * @param resource $handle current query result
2048 * @param integer $fields_cnt number of fields
2049 * @param array $fields_meta meta information about fields
2050 * @param array $row current row
2051 * @param boolean $force_unique generate condition only on pk or unique
2052 *
2053 * @access public
2054 * @return string the calculated condition and whether condition is unique
2055 */
2056 function PMA_getUniqueCondition($handle, $fields_cnt, $fields_meta, $row, $force_unique=false)
2057 {
2058 $primary_key = '';
2059 $unique_key = '';
2060 $nonprimary_condition = '';
2061 $preferred_condition = '';
2062
2063 for ($i = 0; $i < $fields_cnt; ++$i) {
2064 $condition = '';
2065 $field_flags = PMA_DBI_field_flags($handle, $i);
2066 $meta = $fields_meta[$i];
2067
2068 // do not use a column alias in a condition
2069 if (! isset($meta->orgname) || ! strlen($meta->orgname)) {
2070 $meta->orgname = $meta->name;
2071
2072 if (isset($GLOBALS['analyzed_sql'][0]['select_expr'])
2073 && is_array($GLOBALS['analyzed_sql'][0]['select_expr'])) {
2074 foreach ($GLOBALS['analyzed_sql'][0]['select_expr']
2075 as $select_expr) {
2076 // need (string) === (string)
2077 // '' !== 0 but '' == 0
2078 if ((string) $select_expr['alias'] === (string) $meta->name) {
2079 $meta->orgname = $select_expr['column'];
2080 break;
2081 } // end if
2082 } // end foreach
2083 }
2084 }
2085
2086 // Do not use a table alias in a condition.
2087 // Test case is:
2088 // select * from galerie x WHERE
2089 //(select count(*) from galerie y where y.datum=x.datum)>1
2090 //
2091 // But orgtable is present only with mysqli extension so the
2092 // fix is only for mysqli.
2093 // Also, do not use the original table name if we are dealing with
2094 // a view because this view might be updatable.
2095 // (The isView() verification should not be costly in most cases
2096 // because there is some caching in the function).
2097 if (isset($meta->orgtable) && $meta->table != $meta->orgtable && ! PMA_Table::isView($GLOBALS['db'], $meta->table)) {
2098 $meta->table = $meta->orgtable;
2099 }
2100
2101 // to fix the bug where float fields (primary or not)
2102 // can't be matched because of the imprecision of
2103 // floating comparison, use CONCAT
2104 // (also, the syntax "CONCAT(field) IS NULL"
2105 // that we need on the next "if" will work)
2106 if ($meta->type == 'real') {
2107 $condition = ' CONCAT(' . PMA_backquote($meta->table) . '.'
2108 . PMA_backquote($meta->orgname) . ') ';
2109 } else {
2110 $condition = ' ' . PMA_backquote($meta->table) . '.'
2111 . PMA_backquote($meta->orgname) . ' ';
2112 } // end if... else...
2113
2114 if (!isset($row[$i]) || is_null($row[$i])) {
2115 $condition .= 'IS NULL AND';
2116 } else {
2117 // timestamp is numeric on some MySQL 4.1
2118 // for real we use CONCAT above and it should compare to string
2119 if ($meta->numeric && $meta->type != 'timestamp' && $meta->type != 'real') {
2120 $condition .= '= ' . $row[$i] . ' AND';
2121 } elseif (($meta->type == 'blob' || $meta->type == 'string')
2122 // hexify only if this is a true not empty BLOB or a BINARY
2123 && stristr($field_flags, 'BINARY')
2124 && !empty($row[$i])) {
2125 // do not waste memory building a too big condition
2126 if (strlen($row[$i]) < 1000) {
2127 // use a CAST if possible, to avoid problems
2128 // if the field contains wildcard characters % or _
2129 $condition .= '= CAST(0x' . bin2hex($row[$i])
2130 . ' AS BINARY) AND';
2131 } else {
2132 // this blob won't be part of the final condition
2133 $condition = '';
2134 }
2135 } elseif ($meta->type == 'bit') {
2136 $condition .= "= b'" . PMA_printable_bit_value($row[$i], $meta->length) . "' AND";
2137 } else {
2138 $condition .= '= \''
2139 . PMA_sqlAddslashes($row[$i], false, true) . '\' AND';
2140 }
2141 }
2142 if ($meta->primary_key > 0) {
2143 $primary_key .= $condition;
2144 } elseif ($meta->unique_key > 0) {
2145 $unique_key .= $condition;
2146 }
2147 $nonprimary_condition .= $condition;
2148 } // end for
2149
2150 // Correction University of Virginia 19991216:
2151 // prefer primary or unique keys for condition,
2152 // but use conjunction of all values if no primary key
2153 $clause_is_unique = true;
2154 if ($primary_key) {
2155 $preferred_condition = $primary_key;
2156 } elseif ($unique_key) {
2157 $preferred_condition = $unique_key;
2158 } elseif (! $force_unique) {
2159 $preferred_condition = $nonprimary_condition;
2160 $clause_is_unique = false;
2161 }
2162
2163 $where_clause = trim(preg_replace('|\s?AND$|', '', $preferred_condition));
2164 return(array($where_clause, $clause_is_unique));
2165 } // end function
2166
2167 /**
2168 * Generate a button or image tag
2169 *
2170 * @uses PMA_USR_BROWSER_AGENT
2171 * @uses $GLOBALS['pmaThemeImage']
2172 * @uses $GLOBALS['cfg']['PropertiesIconic']
2173 * @param string name of button element
2174 * @param string class of button element
2175 * @param string name of image element
2176 * @param string text to display
2177 * @param string image to display
2178 *
2179 * @access public
2180 */
2181 function PMA_buttonOrImage($button_name, $button_class, $image_name, $text,
2182 $image, $value = '')
2183 {
2184 if ($value == '') {
2185 $value = $text;
2186 }
2187 if (false === $GLOBALS['cfg']['PropertiesIconic']) {
2188 echo ' <input type="submit" name="' . $button_name . '"'
2189 .' value="' . htmlspecialchars($value) . '"'
2190 .' title="' . htmlspecialchars($text) . '" />' . "\n";
2191 return;
2192 }
2193
2194 /* Opera has trouble with <input type="image"> */
2195 /* IE has trouble with <button> */
2196 if (PMA_USR_BROWSER_AGENT != 'IE') {
2197 echo '<button class="' . $button_class . '" type="submit"'
2198 .' name="' . $button_name . '" value="' . htmlspecialchars($value) . '"'
2199 .' title="' . htmlspecialchars($text) . '">' . "\n"
2200 . PMA_getIcon($image, $text)
2201 .'</button>' . "\n";
2202 } else {
2203 echo '<input type="image" name="' . $image_name . '" value="'
2204 . htmlspecialchars($value) . '" title="' . htmlspecialchars($text) . '" src="' . $GLOBALS['pmaThemeImage']
2205 . $image . '" />'
2206 . ($GLOBALS['cfg']['PropertiesIconic'] === 'both' ? '&nbsp;' . htmlspecialchars($text) : '') . "\n";
2207 }
2208 } // end function
2209
2210 /**
2211 * Generate a pagination selector for browsing resultsets
2212 *
2213 * @uses range()
2214 * @param string Number of rows in the pagination set
2215 * @param string current page number
2216 * @param string number of total pages
2217 * @param string If the number of pages is lower than this
2218 * variable, no pages will be omitted in
2219 * pagination
2220 * @param string How many rows at the beginning should always
2221 * be shown?
2222 * @param string How many rows at the end should always
2223 * be shown?
2224 * @param string Percentage of calculation page offsets to
2225 * hop to a next page
2226 * @param string Near the current page, how many pages should
2227 * be considered "nearby" and displayed as
2228 * well?
2229 * @param string The prompt to display (sometimes empty)
2230 *
2231 * @access public
2232 */
2233 function PMA_pageselector($rows, $pageNow = 1, $nbTotalPage = 1,
2234 $showAll = 200, $sliceStart = 5, $sliceEnd = 5, $percent = 20,
2235 $range = 10, $prompt = '')
2236 {
2237 $increment = floor($nbTotalPage / $percent);
2238 $pageNowMinusRange = ($pageNow - $range);
2239 $pageNowPlusRange = ($pageNow + $range);
2240
2241 $gotopage = $prompt . ' <select id="pageselector" ';
2242 if ($GLOBALS['cfg']['AjaxEnable']) {
2243 $gotopage .= ' class="ajax"';
2244 }
2245 $gotopage .= ' name="pos" >' . "\n";
2246 if ($nbTotalPage < $showAll) {
2247 $pages = range(1, $nbTotalPage);
2248 } else {
2249 $pages = array();
2250
2251 // Always show first X pages
2252 for ($i = 1; $i <= $sliceStart; $i++) {
2253 $pages[] = $i;
2254 }
2255
2256 // Always show last X pages
2257 for ($i = $nbTotalPage - $sliceEnd; $i <= $nbTotalPage; $i++) {
2258 $pages[] = $i;
2259 }
2260
2261 // Based on the number of results we add the specified
2262 // $percent percentage to each page number,
2263 // so that we have a representing page number every now and then to
2264 // immediately jump to specific pages.
2265 // As soon as we get near our currently chosen page ($pageNow -
2266 // $range), every page number will be shown.
2267 $i = $sliceStart;
2268 $x = $nbTotalPage - $sliceEnd;
2269 $met_boundary = false;
2270 while ($i <= $x) {
2271 if ($i >= $pageNowMinusRange && $i <= $pageNowPlusRange) {
2272 // If our pageselector comes near the current page, we use 1
2273 // counter increments
2274 $i++;
2275 $met_boundary = true;
2276 } else {
2277 // We add the percentage increment to our current page to
2278 // hop to the next one in range
2279 $i += $increment;
2280
2281 // Make sure that we do not cross our boundaries.
2282 if ($i > $pageNowMinusRange && ! $met_boundary) {
2283 $i = $pageNowMinusRange;
2284 }
2285 }
2286
2287 if ($i > 0 && $i <= $x) {
2288 $pages[] = $i;
2289 }
2290 }
2291
2292 // Since because of ellipsing of the current page some numbers may be double,
2293 // we unify our array:
2294 sort($pages);
2295 $pages = array_unique($pages);
2296 }
2297
2298 foreach ($pages as $i) {
2299 if ($i == $pageNow) {
2300 $selected = 'selected="selected" style="font-weight: bold"';
2301 } else {
2302 $selected = '';
2303 }
2304 $gotopage .= ' <option ' . $selected . ' value="' . (($i - 1) * $rows) . '">' . $i . '</option>' . "\n";
2305 }
2306
2307 $gotopage .= ' </select><noscript><input type="submit" value="' . __('Go') . '" /></noscript>';
2308
2309 return $gotopage;
2310 } // end function
2311
2312
2313 /**
2314 * Generate navigation for a list
2315 *
2316 * @todo use $pos from $_url_params
2317 * @uses range()
2318 * @param integer number of elements in the list
2319 * @param integer current position in the list
2320 * @param array url parameters
2321 * @param string script name for form target
2322 * @param string target frame
2323 * @param integer maximum number of elements to display from the list
2324 *
2325 * @access public
2326 */
2327 function PMA_listNavigator($count, $pos, $_url_params, $script, $frame, $max_count) {
2328
2329 if ($max_count < $count) {
2330 echo 'frame_navigation' == $frame ? '<div id="navidbpageselector">' . "\n" : '';
2331 echo __('Page number:');
2332 echo 'frame_navigation' == $frame ? '<br />' : ' ';
2333
2334 // Move to the beginning or to the previous page
2335 if ($pos > 0) {
2336 // patch #474210 - part 1
2337 if ($GLOBALS['cfg']['NavigationBarIconic']) {
2338 $caption1 = '&lt;&lt;';
2339 $caption2 = ' &lt; ';
2340 $title1 = ' title="' . __('Begin') . '"';
2341 $title2 = ' title="' . __('Previous') . '"';
2342 } else {
2343 $caption1 = __('Begin') . ' &lt;&lt;';
2344 $caption2 = __('Previous') . ' &lt;';
2345 $title1 = '';
2346 $title2 = '';
2347 } // end if... else...
2348 $_url_params['pos'] = 0;
2349 echo '<a' . $title1 . ' href="' . $script
2350 . PMA_generate_common_url($_url_params) . '" target="' . $frame . '">'
2351 . $caption1 . '</a>';
2352 $_url_params['pos'] = $pos - $max_count;
2353 echo '<a' . $title2 . ' href="' . $script
2354 . PMA_generate_common_url($_url_params) . '" target="' . $frame . '">'
2355 . $caption2 . '</a>';
2356 }
2357
2358 echo "\n", '<form action="./', basename($script), '" method="post" target="', $frame, '">', "\n";
2359 echo PMA_generate_common_hidden_inputs($_url_params);
2360 echo PMA_pageselector(
2361 $max_count,
2362 floor(($pos + 1) / $max_count) + 1,
2363 ceil($count / $max_count));
2364 echo '</form>';
2365
2366 if ($pos + $max_count < $count) {
2367 if ($GLOBALS['cfg']['NavigationBarIconic']) {
2368 $caption3 = ' &gt; ';
2369 $caption4 = '&gt;&gt;';
2370 $title3 = ' title="' . __('Next') . '"';
2371 $title4 = ' title="' . __('End') . '"';
2372 } else {
2373 $caption3 = '&gt; ' . __('Next');
2374 $caption4 = '&gt;&gt; ' . __('End');
2375 $title3 = '';
2376 $title4 = '';
2377 } // end if... else...
2378 $_url_params['pos'] = $pos + $max_count;
2379 echo '<a' . $title3 . ' href="' . $script
2380 . PMA_generate_common_url($_url_params) . '" target="' . $frame . '">'
2381 . $caption3 . '</a>';
2382 $_url_params['pos'] = floor($count / $max_count) * $max_count;
2383 if ($_url_params['pos'] == $count) {
2384 $_url_params['pos'] = $count - $max_count;
2385 }
2386 echo '<a' . $title4 . ' href="' . $script
2387 . PMA_generate_common_url($_url_params) . '" target="' . $frame . '">'
2388 . $caption4 . '</a>';
2389 }
2390 echo "\n";
2391 if ('frame_navigation' == $frame) {
2392 echo '</div>' . "\n";
2393 }
2394 }
2395 }
2396
2397 /**
2398 * replaces %u in given path with current user name
2399 *
2400 * example:
2401 * <code>
2402 * $user_dir = PMA_userDir('/var/pma_tmp/%u/'); // '/var/pma_tmp/root/'
2403 *
2404 * </code>
2405 * @uses $cfg['Server']['user']
2406 * @uses substr()
2407 * @uses str_replace()
2408 * @param string $dir with wildcard for user
2409 * @return string per user directory
2410 */
2411 function PMA_userDir($dir)
2412 {
2413 // add trailing slash
2414 if (substr($dir, -1) != '/') {
2415 $dir .= '/';
2416 }
2417
2418 return str_replace('%u', $GLOBALS['cfg']['Server']['user'], $dir);
2419 }
2420
2421 /**
2422 * returns html code for db link to default db page
2423 *
2424 * @uses $cfg['DefaultTabDatabase']
2425 * @uses $GLOBALS['db']
2426 * @uses PMA_generate_common_url()
2427 * @uses PMA_unescape_mysql_wildcards()
2428 * @uses strlen()
2429 * @uses sprintf()
2430 * @uses htmlspecialchars()
2431 * @param string $database
2432 * @return string html link to default db page
2433 */
2434 function PMA_getDbLink($database = null)
2435 {
2436 if (!strlen($database)) {
2437 if (!strlen($GLOBALS['db'])) {
2438 return '';
2439 }
2440 $database = $GLOBALS['db'];
2441 } else {
2442 $database = PMA_unescape_mysql_wildcards($database);
2443 }
2444
2445 return '<a href="' . $GLOBALS['cfg']['DefaultTabDatabase'] . '?' . PMA_generate_common_url($database) . '"'
2446 .' title="' . sprintf(__('Jump to database &quot;%s&quot;.'), htmlspecialchars($database)) . '">'
2447 .htmlspecialchars($database) . '</a>';
2448 }
2449
2450 /**
2451 * Displays a lightbulb hint explaining a known external bug
2452 * that affects a functionality
2453 *
2454 * @uses PMA_MYSQL_INT_VERSION
2455 * @uses PMA_showHint()
2456 * @uses sprintf()
2457 * @param string $functionality localized message explaining the func.
2458 * @param string $component 'mysql' (eventually, 'php')
2459 * @param string $minimum_version of this component
2460 * @param string $bugref bug reference for this component
2461 */
2462 function PMA_externalBug($functionality, $component, $minimum_version, $bugref)
2463 {
2464 if ($component == 'mysql' && PMA_MYSQL_INT_VERSION < $minimum_version) {
2465 echo PMA_showHint(sprintf(__('The %s functionality is affected by a known bug, see %s'), $functionality, PMA_linkURL('http://bugs.mysql.com/') . $bugref));
2466 }
2467 }
2468
2469 /**
2470 * Generates and echoes an HTML checkbox
2471 *
2472 * @param string $html_field_name the checkbox HTML field
2473 * @param string $label
2474 * @param boolean $checked is it initially checked?
2475 * @param boolean $onclick should it submit the form on click?
2476 */
2477 function PMA_display_html_checkbox($html_field_name, $label, $checked, $onclick) {
2478
2479 echo '<input type="checkbox" name="' . $html_field_name . '" id="' . $html_field_name . '"' . ($checked ? ' checked="checked"' : '') . ($onclick ? ' onclick="this.form.submit();"' : '') . ' /><label for="' . $html_field_name . '">' . $label . '</label>';
2480 }
2481
2482 /**
2483 * Generates and echoes a set of radio HTML fields
2484 *
2485 * @uses htmlspecialchars()
2486 * @param string $html_field_name the radio HTML field
2487 * @param array $choices the choices values and labels
2488 * @param string $checked_choice the choice to check by default
2489 * @param boolean $line_break whether to add an HTML line break after a choice
2490 * @param boolean $escape_label whether to use htmlspecialchars() on label
2491 * @param string $class enclose each choice with a div of this class
2492 */
2493 function PMA_display_html_radio($html_field_name, $choices, $checked_choice = '', $line_break = true, $escape_label = true, $class='') {
2494 foreach ($choices as $choice_value => $choice_label) {
2495 if (! empty($class)) {
2496 echo '<div class="' . $class . '">';
2497 }
2498 $html_field_id = $html_field_name . '_' . $choice_value;
2499 echo '<input type="radio" name="' . $html_field_name . '" id="' . $html_field_id . '" value="' . htmlspecialchars($choice_value) . '"';
2500 if ($choice_value == $checked_choice) {
2501 echo ' checked="checked"';
2502 }
2503 echo ' />' . "\n";
2504 echo '<label for="' . $html_field_id . '">' . ($escape_label ? htmlspecialchars($choice_label) : $choice_label) . '</label>';
2505 if ($line_break) {
2506 echo '<br />';
2507 }
2508 if (! empty($class)) {
2509 echo '</div>';
2510 }
2511 echo "\n";
2512 }
2513 }
2514
2515 /**
2516 * Generates and returns an HTML dropdown
2517 *
2518 * @uses htmlspecialchars()
2519 * @param string $select_name
2520 * @param array $choices the choices values
2521 * @param string $active_choice the choice to select by default
2522 * @param string $id the id of the select element; can be different in case
2523 * the dropdown is present more than once on the page
2524 * @todo support titles
2525 */
2526 function PMA_generate_html_dropdown($select_name, $choices, $active_choice, $id)
2527 {
2528 $result = '<select name="' . htmlspecialchars($select_name) . '" id="' . htmlspecialchars($id) . '">';
2529 foreach ($choices as $one_choice_value => $one_choice_label) {
2530 $result .= '<option value="' . htmlspecialchars($one_choice_value) . '"';
2531 if ($one_choice_value == $active_choice) {
2532 $result .= ' selected="selected"';
2533 }
2534 $result .= '>' . htmlspecialchars($one_choice_label) . '</option>';
2535 }
2536 $result .= '</select>';
2537 return $result;
2538 }
2539
2540 /**
2541 * Generates a slider effect (jQjuery)
2542 * Takes care of generating the initial <div> and the link
2543 * controlling the slider; you have to generate the </div> yourself
2544 * after the sliding section.
2545 *
2546 * @uses $GLOBALS['cfg']['InitialSlidersState']
2547 * @param string $id the id of the <div> on which to apply the effect
2548 * @param string $message the message to show as a link
2549 */
2550 function PMA_generate_slider_effect($id, $message)
2551 {
2552 if ($GLOBALS['cfg']['InitialSlidersState'] == 'disabled') {
2553 echo '<div id="' . $id . '">';
2554 return;
2555 }
2556 /**
2557 * Bad hack on the next line. document.write() conflicts with jQuery, hence,
2558 * opening the <div> with PHP itself instead of JavaScript.
2559 *
2560 * @todo find a better solution that uses $.append(), the recommended method
2561 * maybe by using an additional param, the id of the div to append to
2562 */
2563 ?>
2564 <div id="<?php echo $id; ?>" <?php echo $GLOBALS['cfg']['InitialSlidersState'] == 'closed' ? ' style="display: none; overflow:auto;"' : ''; ?> class="pma_auto_slider" title="<?php echo htmlspecialchars($message); ?>">
2565 <?php
2566 }
2567
2568 /**
2569 * Clears cache content which needs to be refreshed on user change.
2570 */
2571 function PMA_clearUserCache() {
2572 PMA_cacheUnset('is_superuser', true);
2573 }
2574
2575 /**
2576 * Verifies if something is cached in the session
2577 *
2578 * @param string $var
2579 * @param scalar $server
2580 * @return boolean
2581 */
2582 function PMA_cacheExists($var, $server = 0)
2583 {
2584 if (true === $server) {
2585 $server = $GLOBALS['server'];
2586 }
2587 return isset($_SESSION['cache']['server_' . $server][$var]);
2588 }
2589
2590 /**
2591 * Gets cached information from the session
2592 *
2593 * @param string $var
2594 * @param scalar $server
2595 * @return mixed
2596 */
2597 function PMA_cacheGet($var, $server = 0)
2598 {
2599 if (true === $server) {
2600 $server = $GLOBALS['server'];
2601 }
2602 if (isset($_SESSION['cache']['server_' . $server][$var])) {
2603 return $_SESSION['cache']['server_' . $server][$var];
2604 } else {
2605 return null;
2606 }
2607 }
2608
2609 /**
2610 * Caches information in the session
2611 *
2612 * @param string $var
2613 * @param mixed $val
2614 * @param integer $server
2615 * @return mixed
2616 */
2617 function PMA_cacheSet($var, $val = null, $server = 0)
2618 {
2619 if (true === $server) {
2620 $server = $GLOBALS['server'];
2621 }
2622 $_SESSION['cache']['server_' . $server][$var] = $val;
2623 }
2624
2625 /**
2626 * Removes cached information from the session
2627 *
2628 * @param string $var
2629 * @param scalar $server
2630 */
2631 function PMA_cacheUnset($var, $server = 0)
2632 {
2633 if (true === $server) {
2634 $server = $GLOBALS['server'];
2635 }
2636 unset($_SESSION['cache']['server_' . $server][$var]);
2637 }
2638
2639 /**
2640 * Converts a bit value to printable format;
2641 * in MySQL a BIT field can be from 1 to 64 bits so we need this
2642 * function because in PHP, decbin() supports only 32 bits
2643 *
2644 * @uses ceil()
2645 * @uses decbin()
2646 * @uses ord()
2647 * @uses substr()
2648 * @uses sprintf()
2649 * @param numeric $value coming from a BIT field
2650 * @param integer $length
2651 * @return string the printable value
2652 */
2653 function PMA_printable_bit_value($value, $length) {
2654 $printable = '';
2655 for ($i = 0, $len_ceiled = ceil($length / 8); $i < $len_ceiled; $i++) {
2656 $printable .= sprintf('%08d', decbin(ord(substr($value, $i, 1))));
2657 }
2658 $printable = substr($printable, -$length);
2659 return $printable;
2660 }
2661
2662 /**
2663 * Verifies whether the value contains a non-printable character
2664 *
2665 * @uses preg_match()
2666 * @param string $value
2667 * @return boolean
2668 */
2669 function PMA_contains_nonprintable_ascii($value) {
2670 return preg_match('@[^[:print:]]@', $value);
2671 }
2672
2673 /**
2674 * Converts a BIT type default value
2675 * for example, b'010' becomes 010
2676 *
2677 * @uses strtr()
2678 * @param string $bit_default_value
2679 * @return string the converted value
2680 */
2681 function PMA_convert_bit_default_value($bit_default_value) {
2682 return strtr($bit_default_value, array("b" => "", "'" => ""));
2683 }
2684
2685 /**
2686 * Extracts the various parts from a field type spec
2687 *
2688 * @uses strpos()
2689 * @uses chop()
2690 * @uses substr()
2691 * @param string $fieldspec
2692 * @return array associative array containing type, spec_in_brackets
2693 * and possibly enum_set_values (another array)
2694 */
2695 function PMA_extractFieldSpec($fieldspec) {
2696 $first_bracket_pos = strpos($fieldspec, '(');
2697 if ($first_bracket_pos) {
2698 $spec_in_brackets = chop(substr($fieldspec, $first_bracket_pos + 1, (strrpos($fieldspec, ')') - $first_bracket_pos - 1)));
2699 // convert to lowercase just to be sure
2700 $type = strtolower(chop(substr($fieldspec, 0, $first_bracket_pos)));
2701 } else {
2702 $type = $fieldspec;
2703 $spec_in_brackets = '';
2704 }
2705
2706 if ('enum' == $type || 'set' == $type) {
2707 // Define our working vars
2708 $enum_set_values = array();
2709 $working = "";
2710 $in_string = false;
2711 $index = 0;
2712
2713 // While there is another character to process
2714 while (isset($fieldspec[$index])) {
2715 // Grab the char to look at
2716 $char = $fieldspec[$index];
2717
2718 // If it is a single quote, needs to be handled specially
2719 if ($char == "'") {
2720 // If we are not currently in a string, begin one
2721 if (! $in_string) {
2722 $in_string = true;
2723 $working = "";
2724 // Otherwise, it may be either an end of a string, or a 'double quote' which can be handled as-is
2725 } else {
2726 // Check out the next character (if possible)
2727 $has_next = isset($fieldspec[$index + 1]);
2728 $next = $has_next ? $fieldspec[$index + 1] : null;
2729
2730 // If we have reached the end of our 'working' string (because there are no more chars, or the next char is not another quote)
2731 if (! $has_next || $next != "'") {
2732 $enum_set_values[] = $working;
2733 $in_string = false;
2734
2735 // Otherwise, this is a 'double quote', and can be added to the working string
2736 } elseif ($next == "'") {
2737 $working .= "'";
2738 // Skip the next char; we already know what it is
2739 $index++;
2740 }
2741 }
2742 // escaping of a quote?
2743 } elseif ('\\' == $char && isset($fieldspec[$index + 1]) && "'" == $fieldspec[$index + 1]) {
2744 $working .= "'";
2745 $index++;
2746 // Otherwise, add it to our working string like normal
2747 } else {
2748 $working .= $char;
2749 }
2750 // Increment character index
2751 $index++;
2752 } // end while
2753 } else {
2754 $enum_set_values = array();
2755 }
2756
2757 return array(
2758 'type' => $type,
2759 'spec_in_brackets' => $spec_in_brackets,
2760 'enum_set_values' => $enum_set_values
2761 );
2762 }
2763
2764 /**
2765 * Verifies if this table's engine supports foreign keys
2766 *
2767 * @uses strtoupper()
2768 * @param string $engine
2769 * @return boolean
2770 */
2771 function PMA_foreignkey_supported($engine) {
2772 $engine = strtoupper($engine);
2773 if ('INNODB' == $engine || 'PBXT' == $engine) {
2774 return true;
2775 } else {
2776 return false;
2777 }
2778 }
2779
2780 /**
2781 * Replaces some characters by a displayable equivalent
2782 *
2783 * @uses str_replace()
2784 * @param string $content
2785 * @return string the content with characters replaced
2786 */
2787 function PMA_replace_binary_contents($content) {
2788 $result = str_replace("\x00", '\0', $content);
2789 $result = str_replace("\x08", '\b', $result);
2790 $result = str_replace("\x0a", '\n', $result);
2791 $result = str_replace("\x0d", '\r', $result);
2792 $result = str_replace("\x1a", '\Z', $result);
2793 return $result;
2794 }
2795
2796 /**
2797 *
2798 * If the string starts with a \r\n pair (0x0d0a) add an extra \n
2799 *
2800 * @uses strpos()
2801 * @return string with the chars replaced
2802 */
2803
2804 function PMA_duplicateFirstNewline($string){
2805 $first_occurence = strpos($string, "\r\n");
2806 if ($first_occurence === 0){
2807 $string = "\n".$string;
2808 }
2809 return $string;
2810 }
2811
2812 /**
2813 * get the action word corresponding to a script name
2814 * in order to display it as a title in navigation panel
2815 *
2816 * @uses $GLOBALS
2817 * @param string a valid value for $cfg['LeftDefaultTabTable']
2818 * or $cfg['DefaultTabTable']
2819 * or $cfg['DefaultTabDatabase']
2820 */
2821 function PMA_getTitleForTarget($target) {
2822
2823 $mapping = array(
2824 // Values for $cfg['DefaultTabTable']
2825 'tbl_structure.php' => __('Structure'),
2826 'tbl_sql.php' => __('SQL'),
2827 'tbl_select.php' =>__('Search'),
2828 'tbl_change.php' =>__('Insert'),
2829 'sql.php' => __('Browse'),
2830
2831 // Values for $cfg['DefaultTabDatabase']
2832 'db_structure.php' => __('Structure'),
2833 'db_sql.php' => __('SQL'),
2834 'db_search.php' => __('Search'),
2835 'db_operations.php' => __('Operations'),
2836 );
2837 return $mapping[$target];
2838 }
2839
2840 /**
2841 * Formats user string, expading @VARIABLES@, accepting strftime format string.
2842 *
2843 * @param string Text where to do expansion.
2844 * @param function Function to call for escaping variable values.
2845 * @param array Array with overrides for default parameters (obtained from GLOBALS).
2846 */
2847 function PMA_expandUserString($string, $escape = NULL, $updates = array()) {
2848 /* Content */
2849 $vars['http_host'] = PMA_getenv('HTTP_HOST') ? PMA_getenv('HTTP_HOST') : '';
2850 $vars['server_name'] = $GLOBALS['cfg']['Server']['host'];
2851 $vars['server_verbose'] = $GLOBALS['cfg']['Server']['verbose'];
2852 $vars['server_verbose_or_name'] = !empty($GLOBALS['cfg']['Server']['verbose']) ? $GLOBALS['cfg']['Server']['verbose'] : $GLOBALS['cfg']['Server']['host'];
2853 $vars['database'] = $GLOBALS['db'];
2854 $vars['table'] = $GLOBALS['table'];
2855 $vars['phpmyadmin_version'] = 'phpMyAdmin ' . PMA_VERSION;
2856
2857 /* Update forced variables */
2858 foreach($updates as $key => $val) {
2859 $vars[$key] = $val;
2860 }
2861
2862 /* Replacement mapping */
2863 /*
2864 * The __VAR__ ones are for backward compatibility, because user
2865 * might still have it in cookies.
2866 */
2867 $replace = array(
2868 '@HTTP_HOST@' => $vars['http_host'],
2869 '@SERVER@' => $vars['server_name'],
2870 '__SERVER__' => $vars['server_name'],
2871 '@VERBOSE@' => $vars['server_verbose'],
2872 '@VSERVER@' => $vars['server_verbose_or_name'],
2873 '@DATABASE@' => $vars['database'],
2874 '__DB__' => $vars['database'],
2875 '@TABLE@' => $vars['table'],
2876 '__TABLE__' => $vars['table'],
2877 '@PHPMYADMIN@' => $vars['phpmyadmin_version'],
2878 );
2879
2880 /* Optional escaping */
2881 if (!is_null($escape)) {
2882 foreach($replace as $key => $val) {
2883 $replace[$key] = $escape($val);
2884 }
2885 }
2886
2887 /* Fetch fields list if required */
2888 if (strpos($string, '@FIELDS@') !== FALSE) {
2889 $fields_list = PMA_DBI_fetch_result(
2890 'SHOW COLUMNS FROM ' . PMA_backquote($GLOBALS['db'])
2891 . '.' . PMA_backquote($GLOBALS['table']));
2892
2893 $field_names = array();
2894 foreach ($fields_list as $field) {
2895 if (!is_null($escape)) {
2896 $field_names[] = $escape($field['Field']);
2897 } else {
2898 $field_names[] = $field['Field'];
2899 }
2900 }
2901
2902 $replace['@FIELDS@'] = implode(',', $field_names);
2903 }
2904
2905 /* Do the replacement */
2906 return str_replace(array_keys($replace), array_values($replace), strftime($string));
2907 }
2908
2909 /**
2910 * function that generates a json output for an ajax request and ends script
2911 * execution
2912 *
2913 * @param boolean success whether the ajax request was successfull
2914 * @param string message string containing the html of the message
2915 * @param array extra_data optional - any other data as part of the json request
2916 *
2917 * @uses header()
2918 * @uses json_encode()
2919 */
2920 function PMA_ajaxResponse($message, $success = true, $extra_data = array())
2921 {
2922 $response = array();
2923 if( $success == true ) {
2924 $response['success'] = true;
2925 if ($message instanceof PMA_Message) {
2926 $response['message'] = $message->getDisplay();
2927 }
2928 else {
2929 $response['message'] = $message;
2930 }
2931 }
2932 else {
2933 $response['success'] = false;
2934 if($message instanceof PMA_Message) {
2935 $response['error'] = $message->getDisplay();
2936 }
2937 else {
2938 $response['error'] = $message;
2939 }
2940 }
2941
2942 // If extra_data has been provided, append it to the response array
2943 if( ! empty($extra_data) && count($extra_data) > 0 ) {
2944 $response = array_merge($response, $extra_data);
2945 }
2946
2947 // Set the Content-Type header to JSON so that jQuery parses the
2948 // response correctly.
2949 //
2950 // At this point, other headers might have been sent;
2951 // even if $GLOBALS['is_header_sent'] is true,
2952 // we have to send these additional headers.
2953 header('Cache-Control: no-cache');
2954 header("Content-Type: application/json");
2955
2956 echo json_encode($response);
2957 exit;
2958 }
2959
2960 /**
2961 * Display the form used to browse anywhere on the local server for the file to import
2962 */
2963 function PMA_browseUploadFile($max_upload_size) {
2964 $uid = uniqid("");
2965 echo '<label for="radio_import_file">' . __("Browse your computer:") . '</label>';
2966 echo '<div id="upload_form_status" style="display: none;"></div>';
2967 echo '<div id="upload_form_status_info" style="display: none;"></div>';
2968 echo '<input type="file" name="import_file" id="input_import_file" />';
2969 echo PMA_displayMaximumUploadSize($max_upload_size) . "\n";
2970 // some browsers should respect this :)
2971 echo PMA_generateHiddenMaxFileSize($max_upload_size) . "\n";
2972 }
2973
2974 /**
2975 * Display the form used to select a file to import from the server upload directory
2976 */
2977 function PMA_selectUploadFile($import_list, $uploaddir) {
2978 echo '<label for="radio_local_import_file">' . sprintf(__("Select from the web server upload directory <b>%s</b>:"), htmlspecialchars(PMA_userDir($uploaddir))) . '</label>';
2979 $extensions = '';
2980 foreach ($import_list as $key => $val) {
2981 if (!empty($extensions)) {
2982 $extensions .= '|';
2983 }
2984 $extensions .= $val['extension'];
2985 }
2986 $matcher = '@\.(' . $extensions . ')(\.(' . PMA_supportedDecompressions() . '))?$@';
2987
2988 $files = PMA_getFileSelectOptions(PMA_userDir($uploaddir), $matcher, (isset($timeout_passed) && $timeout_passed && isset($local_import_file)) ? $local_import_file : '');
2989 if ($files === FALSE) {
2990 PMA_Message::error(__('The directory you set for upload work cannot be reached'))->display();
2991 } elseif (!empty($files)) {
2992 echo "\n";
2993 echo ' <select style="margin: 5px" size="1" name="local_import_file" id="select_local_import_file">' . "\n";
2994 echo ' <option value="">&nbsp;</option>' . "\n";
2995 echo $files;
2996 echo ' </select>' . "\n";
2997 } elseif (empty ($files)) {
2998 echo '<i>' . __('There are no files to upload') . '</i>';
2999 }
3000 }
3001
3002 /**
3003 * Build titles and icons for action links
3004 *
3005 * @return array the action titles
3006 * @uses PMA_getIcon()
3007 */
3008 function PMA_buildActionTitles() {
3009 $titles = array();
3010
3011 $titles['Browse'] = PMA_getIcon('b_browse.png', __('Browse'), true);
3012 $titles['NoBrowse'] = PMA_getIcon('bd_browse.png', __('Browse'), true);
3013 $titles['Search'] = PMA_getIcon('b_select.png', __('Search'), true);
3014 $titles['NoSearch'] = PMA_getIcon('bd_select.png', __('Search'), true);
3015 $titles['Insert'] = PMA_getIcon('b_insrow.png', __('Insert'), true);
3016 $titles['NoInsert'] = PMA_getIcon('bd_insrow.png', __('Insert'), true);
3017 $titles['Structure'] = PMA_getIcon('b_props.png', __('Structure'), true);
3018 $titles['Drop'] = PMA_getIcon('b_drop.png', __('Drop'), true);
3019 $titles['NoDrop'] = PMA_getIcon('bd_drop.png', __('Drop'), true);
3020 $titles['Empty'] = PMA_getIcon('b_empty.png', __('Empty'), true);
3021 $titles['NoEmpty'] = PMA_getIcon('bd_empty.png', __('Empty'), true);
3022 $titles['Edit'] = PMA_getIcon('b_edit.png', __('Edit'), true);
3023 return $titles;
3024 }
3025 ?>