libraries/mysql_charsets.lib.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  *
   5  * @package phpMyAdmin
   6  */
   7 if (! defined('PHPMYADMIN')) {
   8     exit;
   9 }
  10
  11 /**
  12  *
  13  */
  14
  15 if (! PMA_cacheExists('mysql_charsets_count', true)) {
  16     $res = PMA_DBI_query('SHOW CHARACTER SET;');
  17
  18     $mysql_charsets = array();
  19     while ($row = PMA_DBI_fetch_assoc($res)) {
  20         $mysql_charsets[] = $row['Charset'];
  21         // never used
  22         //$mysql_charsets_maxlen[$row['Charset']] = $row['Maxlen'];
  23         $mysql_charsets_descriptions[$row['Charset']] = $row['Description'];
  24     }
  25     PMA_DBI_free_result($res);
  26
  27     $mysql_charsets_count = count($mysql_charsets);
  28     sort($mysql_charsets, SORT_STRING);
  29
  30     $mysql_collations = array_flip($mysql_charsets);
  31     $mysql_default_collations = $mysql_collations_flat = $mysql_charsets_available = $mysql_collations_available = array();
  32
  33     $res = PMA_DBI_query('SHOW COLLATION;');
  34     while ($row = PMA_DBI_fetch_assoc($res)) {
  35         if (!is_array($mysql_collations[$row['Charset']])) {
  36             $mysql_collations[$row['Charset']] = array($row['Collation']);
  37         } else {
  38             $mysql_collations[$row['Charset']][] = $row['Collation'];
  39         }
  40         $mysql_collations_flat[] = $row['Collation'];
  41         if ((isset($row['D']) && $row['D'] == 'Y') || (isset($row['Default']) && $row['Default'] == 'Yes')) {
  42             $mysql_default_collations[$row['Charset']] = $row['Collation'];
  43         }
  44         //$mysql_collations_available[$row['Collation']] = !isset($row['Compiled']) || $row['Compiled'] == 'Yes';
  45         $mysql_collations_available[$row['Collation']] = TRUE;
  46         $mysql_charsets_available[$row['Charset']] =
  47             !empty($mysql_charsets_available[$row['Charset']])
  48          || !empty($mysql_collations_available[$row['Collation']]);
  49     }
  50     PMA_DBI_free_result($res);
  51     unset($res, $row);
  52
  53     $mysql_collations_count = count($mysql_collations_flat);
  54     sort($mysql_collations_flat, SORT_STRING);
  55     foreach ($mysql_collations AS $key => $value) {
  56         sort($mysql_collations[$key], SORT_STRING);
  57         reset($mysql_collations[$key]);
  58     }
  59     unset($key, $value);
  60
  61     PMA_cacheSet('mysql_charsets', $GLOBALS['mysql_charsets'], true);
  62     PMA_cacheSet('mysql_charsets_descriptions', $GLOBALS['mysql_charsets_descriptions'], true);
  63     PMA_cacheSet('mysql_charsets_count', $GLOBALS['mysql_charsets_count'], true);
  64     PMA_cacheSet('mysql_charsets_available', $GLOBALS['mysql_charsets_available'], true);
  65     PMA_cacheSet('mysql_collations', $GLOBALS['mysql_collations'], true);
  66     PMA_cacheSet('mysql_default_collations', $GLOBALS['mysql_default_collations'], true);
  67     PMA_cacheSet('mysql_collations_flat', $GLOBALS['mysql_collations_flat'], true);
  68     PMA_cacheSet('mysql_collations_count', $GLOBALS['mysql_collations_count'], true);
  69     PMA_cacheSet('mysql_collations_available', $GLOBALS['mysql_collations_available'], true);
  70 } else {
  71     $GLOBALS['mysql_charsets']                  = PMA_cacheGet('mysql_charsets', true);
  72     $GLOBALS['mysql_charsets_descriptions']     = PMA_cacheGet('mysql_charsets_descriptions', true);
  73     $GLOBALS['mysql_charsets_count']            = PMA_cacheGet('mysql_charsets_count', true);
  74     $GLOBALS['mysql_charsets_available']        = PMA_cacheGet('mysql_charsets_available', true);
  75     $GLOBALS['mysql_collations']                = PMA_cacheGet('mysql_collations', true);
  76     $GLOBALS['mysql_default_collations']        = PMA_cacheGet('mysql_default_collations', true);
  77     $GLOBALS['mysql_collations_flat']           = PMA_cacheGet('mysql_collations_flat', true);
  78     $GLOBALS['mysql_collations_count']          = PMA_cacheGet('mysql_collations_count', true);
  79     $GLOBALS['mysql_collations_available']      = PMA_cacheGet('mysql_collations_available', true);
  80 }
  81
  82 define('PMA_CSDROPDOWN_COLLATION', 0);
  83 define('PMA_CSDROPDOWN_CHARSET',   1);
  84
  85 function PMA_generateCharsetDropdownBox($type = PMA_CSDROPDOWN_COLLATION,
  86     $name = null, $id = null, $default = null, $label = TRUE, $indent = 0,
  87     $submitOnChange = FALSE, $displayUnavailable = FALSE)
  88 {
  89     global $mysql_charsets, $mysql_charsets_descriptions,
  90         $mysql_charsets_available, $mysql_collations, $mysql_collations_available;
  91
  92     if (empty($name)) {
  93         if ($type == PMA_CSDROPDOWN_COLLATION) {
  94             $name = 'collation';
  95         } else {
  96             $name = 'character_set';
  97         }
  98     }
  99
 100     $return_str  = '<select xml:lang="en" dir="ltr" name="'
 101         . htmlspecialchars($name) . '"'
 102         . (empty($id) ? '' : ' id="' . htmlspecialchars($id) . '"')
 103         . ($submitOnChange ? ' onchange="this.form.submit();"' : '') . '>' . "\n";
 104     if ($label) {
 105         $return_str .= '<option value="">'
 106             . ($type == PMA_CSDROPDOWN_COLLATION ? __('Collation') : __('Charset'))
 107             . '</option>' . "\n";
 108     }
 109     $return_str .= '<option value=""></option>' . "\n";
 110     foreach ($mysql_charsets as $current_charset) {
 111         if (!$mysql_charsets_available[$current_charset]) {
 112             continue;
 113         }
 114         $current_cs_descr =
 115             empty($mysql_charsets_descriptions[$current_charset])
 116             ? $current_charset
 117             : $mysql_charsets_descriptions[$current_charset];
 118
 119         if ($type == PMA_CSDROPDOWN_COLLATION) {
 120             $return_str .= '<optgroup label="' . $current_charset
 121                 . '" title="' . $current_cs_descr . '">' . "\n";
 122             foreach ($mysql_collations[$current_charset] as $current_collation) {
 123                 if (!$mysql_collations_available[$current_collation]) {
 124                     continue;
 125                 }
 126                 $return_str .= '<option value="' . $current_collation
 127                     . '" title="' . PMA_getCollationDescr($current_collation) . '"'
 128                     . ($default == $current_collation ? ' selected="selected"' : '') . '>'
 129                     . $current_collation . '</option>' . "\n";
 130             }
 131             $return_str .= '</optgroup>' . "\n";
 132         } else {
 133             $return_str .= '<option value="' . $current_charset
 134                 . '" title="' . $current_cs_descr . '"'
 135                 . ($default == $current_charset ? ' selected="selected"' : '') . '>'
 136                 . $current_charset . '</option>' . "\n";
 137         }
 138     }
 139     $return_str .= '</select>' . "\n";
 140
 141     return $return_str;
 142 }
 143
 144 function PMA_generateCharsetQueryPart($collation) {
 145     list($charset) = explode('_', $collation);
 146     return ' CHARACTER SET ' . $charset . ($charset == $collation ? '' : ' COLLATE ' . $collation);
 147 }
 148
 149 /**
 150  * returns collation of given db
 151  *
 152  * @uses    PMA_DBI_fetch_value()
 153  * @uses    PMA_DBI_select_db()
 154  * @uses    PMA_sqlAddSlashes()
 155  * @uses    $GLOBALS['db']
 156  * @param   string  $db     name of db
 157  * @return  string  collation of $db
 158  */
 159 function PMA_getDbCollation($db) {
 160     if ($db == 'information_schema') {
 161         // We don't have to check the collation of the virtual
 162         // information_schema database: We know it!
 163         return 'utf8_general_ci';
 164     }
 165
 166     if (! $GLOBALS['cfg']['Server']['DisableIS']) {
 167         // this is slow with thousands of databases
 168         return PMA_DBI_fetch_value('SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = \'' . PMA_sqlAddSlashes($db) . '\' LIMIT 1;');
 169     } else {
 170         PMA_DBI_select_db($db);
 171         $return = PMA_DBI_fetch_value('SHOW VARIABLES LIKE \'collation_database\'', 0, 1);
 172         if ($db !== $GLOBALS['db']) {
 173             PMA_DBI_select_db($GLOBALS['db']);
 174         }
 175         return $return;
 176     }
 177 }
 178
 179 /**
 180  * returns default server collation from show variables
 181  *
 182  * @uses    PMA_DBI_fetch_value()
 183  * @return  string  $server_collation
 184  */
 185 function PMA_getServerCollation() {
 186     return PMA_DBI_fetch_value(
 187         'SHOW VARIABLES LIKE \'collation_server\'', 0, 1);
 188 }
 189
 190 /**
 191  * returns description for given collation
 192  *
 193  * @uses    is_array()
 194  * @uses    explode()
 195  * @uses    count()
 196  *
 197  * @param   string  $collation  MySQL collation string
 198  * @return  string  collation description
 199  */
 200 function PMA_getCollationDescr($collation) {
 201     static $collation_cache;
 202
 203     if (!is_array($collation_cache)) {
 204         $collation_cache = array();
 205     } elseif (isset($collation_cache[$collation])) {
 206         return $collation_cache[$collation];
 207     }
 208
 209     if ($collation == 'binary') {
 210         return __('Binary');
 211     }
 212     $parts = explode('_', $collation);
 213     if (count($parts) == 1) {
 214         $parts[1] = 'general';
 215     } elseif ($parts[1] == 'ci' || $parts[1] == 'cs') {
 216         $parts[2] = $parts[1];
 217         $parts[1] = 'general';
 218     }
 219     $descr = '';
 220     switch ($parts[1]) {
 221         case 'bulgarian':
 222             $descr = __('Bulgarian');
 223             break;
 224         case 'chinese':
 225             if ($parts[0] == 'gb2312' || $parts[0] == 'gbk') {
 226                 $descr = __('Simplified Chinese');
 227             } elseif ($parts[0] == 'big5') {
 228                 $descr = __('Traditional Chinese');
 229             }
 230             break;
 231         case 'ci':
 232             $descr = __('case-insensitive');
 233             break;
 234         case 'cs':
 235             $descr = __('case-sensitive');
 236             break;
 237         case 'croatian':
 238             $descr = __('Croatian');
 239             break;
 240         case 'czech':
 241             $descr = __('Czech');
 242             break;
 243         case 'danish':
 244             $descr = __('Danish');
 245             break;
 246         case 'english':
 247             $descr = __('English');
 248             break;
 249         case 'esperanto':
 250             $descr = __('Esperanto');
 251             break;
 252         case 'estonian':
 253             $descr = __('Estonian');
 254             break;
 255         case 'german1':
 256             $descr = __('German') . ' (' . __('dictionary') . ')';
 257             break;
 258         case 'german2':
 259             $descr = __('German') . ' (' . __('phone book') . ')';
 260             break;
 261         case 'hungarian':
 262             $descr = __('Hungarian');
 263             break;
 264         case 'icelandic':
 265             $descr = __('Icelandic');
 266             break;
 267         case 'japanese':
 268             $descr = __('Japanese');
 269             break;
 270         case 'latvian':
 271             $descr = __('Latvian');
 272             break;
 273         case 'lithuanian':
 274             $descr = __('Lithuanian');
 275             break;
 276         case 'korean':
 277             $descr = __('Korean');
 278             break;
 279         case 'persian':
 280             $descr = __('Persian');
 281             break;
 282         case 'polish':
 283             $descr = __('Polish');
 284             break;
 285         case 'roman':
 286             $descr = __('West European');
 287             break;
 288         case 'romanian':
 289             $descr = __('Romanian');
 290             break;
 291         case 'slovak':
 292             $descr = __('Slovak');
 293             break;
 294         case 'slovenian':
 295             $descr = __('Slovenian');
 296             break;
 297         case 'spanish':
 298             $descr = __('Spanish');
 299             break;
 300         case 'spanish2':
 301             $descr = __('Traditional Spanish');
 302             break;
 303         case 'swedish':
 304             $descr = __('Swedish');
 305             break;
 306         case 'thai':
 307             $descr = __('Thai');
 308             break;
 309         case 'turkish':
 310             $descr = __('Turkish');
 311             break;
 312         case 'ukrainian':
 313             $descr = __('Ukrainian');
 314             break;
 315         case 'unicode':
 316             $descr = __('Unicode') . ' (' . __('multilingual') . ')';
 317             break;
 318         case 'bin':
 319             $is_bin = TRUE;
 320         case 'general':
 321             switch ($parts[0]) {
 322                 // Unicode charsets
 323                 case 'ucs2':
 324                 case 'utf8':
 325                     $descr = __('Unicode') . ' (' . __('multilingual') . ')';
 326                     break;
 327                 // West European charsets
 328                 case 'ascii':
 329                 case 'cp850':
 330                 case 'dec8':
 331                 case 'hp8':
 332                 case 'latin1':
 333                 case 'macroman':
 334                     $descr = __('West European') . ' (' . __('multilingual') . ')';
 335                     break;
 336                 // Central European charsets
 337                 case 'cp1250':
 338                 case 'cp852':
 339                 case 'latin2':
 340                 case 'macce':
 341                     $descr = __('Central European') . ' (' . __('multilingual') . ')';
 342                     break;
 343                 // Russian charsets
 344                 case 'cp866':
 345                 case 'koi8r':
 346                     $descr = __('Russian');
 347                     break;
 348                 // Simplified Chinese charsets
 349                 case 'gb2312':
 350                 case 'gbk':
 351                     $descr = __('Simplified Chinese');
 352                     break;
 353                 // Japanese charsets
 354                 case 'sjis':
 355                 case 'ujis':
 356                 case 'cp932':
 357                 case 'eucjpms':
 358                     $descr = __('Japanese');
 359                     break;
 360                 // Baltic charsets
 361                 case 'cp1257':
 362                 case 'latin7':
 363                     $descr = __('Baltic') . ' (' . __('multilingual') . ')';
 364                     break;
 365                 // Other
 366                 case 'armscii8':
 367                 case 'armscii':
 368                     $descr = __('Armenian');
 369                     break;
 370                 case 'big5':
 371                     $descr = __('Traditional Chinese');
 372                     break;
 373                 case 'cp1251':
 374                     $descr = __('Cyrillic') . ' (' . __('multilingual') . ')';
 375                     break;
 376                 case 'cp1256':
 377                     $descr = __('Arabic');
 378                     break;
 379                 case 'euckr':
 380                     $descr = __('Korean');
 381                     break;
 382                 case 'hebrew':
 383                     $descr = __('Hebrew');
 384                     break;
 385                 case 'geostd8':
 386                     $descr = __('Georgian');
 387                     break;
 388                 case 'greek':
 389                     $descr = __('Greek');
 390                     break;
 391                 case 'keybcs2':
 392                     $descr = __('Czech-Slovak');
 393                     break;
 394                 case 'koi8u':
 395                     $descr = __('Ukrainian');
 396                     break;
 397                 case 'latin5':
 398                     $descr = __('Turkish');
 399                     break;
 400                 case 'swe7':
 401                     $descr = __('Swedish');
 402                     break;
 403                 case 'tis620':
 404                     $descr = __('Thai');
 405                     break;
 406                 default:
 407                     $descr = __('unknown');
 408                     break;
 409             }
 410             if (!empty($is_bin)) {
 411                 $descr .= ', ' . __('Binary');
 412             }
 413             break;
 414         default: $descr = __('unknown');
 415     }
 416     if (!empty($parts[2])) {
 417         if ($parts[2] == 'ci') {
 418             $descr .= ', ' . __('case-insensitive');
 419         } elseif ($parts[2] == 'cs') {
 420             $descr .= ', ' . __('case-sensitive');
 421         }
 422     }
 423
 424     $collation_cache[$collation] = $descr;
 425     return $descr;
 426 }
 427 ?>