libraries/mysql_charsets.lib.php

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