libraries/mysql_charsets.lib.php

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