/
Charsets.php
164 lines (147 loc) · 4.9 KB
/
Charsets.php
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* MySQL charset metadata and manipulations
*
* @package PhpMyAdmin
*/
namespace PMA\libraries;
use PMA\libraries\Util;
/**
* Class used to manage MySQL charsets
*
* @package PhpMyAdmin
*/
class Charsets
{
/**
* MySQL charsets map
*
* @var array
*/
public static $mysql_charset_map = array(
'big5' => 'big5',
'cp-866' => 'cp866',
'euc-jp' => 'ujis',
'euc-kr' => 'euckr',
'gb2312' => 'gb2312',
'gbk' => 'gbk',
'iso-8859-1' => 'latin1',
'iso-8859-2' => 'latin2',
'iso-8859-7' => 'greek',
'iso-8859-8' => 'hebrew',
'iso-8859-8-i' => 'hebrew',
'iso-8859-9' => 'latin5',
'iso-8859-13' => 'latin7',
'iso-8859-15' => 'latin1',
'koi8-r' => 'koi8r',
'shift_jis' => 'sjis',
'tis-620' => 'tis620',
'utf-8' => 'utf8',
'windows-1250' => 'cp1250',
'windows-1251' => 'cp1251',
'windows-1252' => 'latin1',
'windows-1256' => 'cp1256',
'windows-1257' => 'cp1257',
);
/**
* Loads charset data from the MySQL server.
*
* @return void
*/
public static function loadCharsets()
{
/* Cache already exists */
if (Util::cacheExists('mysql_charsets')) {
return;
}
$sql = 'SELECT * FROM information_schema.CHARACTER_SETS';
$res = $GLOBALS['dbi']->query($sql);
$mysql_charsets = array();
while ($row = $GLOBALS['dbi']->fetchAssoc($res)) {
$mysql_charsets[] = $row['CHARACTER_SET_NAME'];
// never used
//$mysql_charsets_maxlen[$row['Charset']] = $row['Maxlen'];
$mysql_charsets_descriptions[$row['CHARACTER_SET_NAME']]
= $row['DESCRIPTION'];
}
$GLOBALS['dbi']->freeResult($res);
sort($mysql_charsets, SORT_STRING);
$mysql_collations = array_flip($mysql_charsets);
$mysql_default_collations = $mysql_charsets_available = $mysql_collations_available = array();
$sql = 'SELECT * FROM information_schema.COLLATIONS';
$res = $GLOBALS['dbi']->query($sql);
while ($row = $GLOBALS['dbi']->fetchAssoc($res)) {
$char_set_name = $row['CHARACTER_SET_NAME'];
if (! is_array($mysql_collations[$char_set_name])) {
$mysql_collations[$char_set_name] = array($row['COLLATION_NAME']);
} else {
$mysql_collations[$char_set_name][] = $row['COLLATION_NAME'];
}
if ($row['IS_DEFAULT'] == 'Yes' || $row['IS_DEFAULT'] == '1') {
$mysql_default_collations[$char_set_name]
= $row['COLLATION_NAME'];
}
//$mysql_collations_available[$row['Collation']]
// = ! isset($row['Compiled']) || $row['Compiled'] == 'Yes';
$mysql_collations_available[$row['COLLATION_NAME']] = true;
$mysql_charsets_available[$char_set_name]
= !empty($mysql_charsets_available[$char_set_name])
|| !empty($mysql_collations_available[$row['COLLATION_NAME']]);
}
$GLOBALS['dbi']->freeResult($res);
unset($res, $row);
foreach ($mysql_collations as $key => $value) {
sort($mysql_collations[$key], SORT_STRING);
}
unset($key, $value);
Util::cacheSet(
'mysql_charsets', $mysql_charsets
);
Util::cacheSet(
'mysql_charsets_descriptions', $mysql_charsets_descriptions
);
Util::cacheSet(
'mysql_charsets_available', $mysql_charsets_available
);
Util::cacheSet(
'mysql_collations', $mysql_collations
);
Util::cacheSet(
'mysql_default_collations', $mysql_default_collations
);
Util::cacheSet(
'mysql_collations_available', $mysql_collations_available
);
}
public static function getMySQLCharsets()
{
self::loadCharsets();
return Util::cacheGet('mysql_charsets');
}
public static function getMySQLCharsetsDescriptions()
{
self::loadCharsets();
return Util::cacheGet('mysql_charsets_descriptions');
}
public static function getMySQLCharsetsAvailable()
{
self::loadCharsets();
return Util::cacheGet('mysql_charsets_available');
}
public static function getMySQLCollations()
{
self::loadCharsets();
return Util::cacheGet('mysql_collations');
}
public static function getMySQLCollationsDefault()
{
self::loadCharsets();
return Util::cacheGet('mysql_default_collations');
}
public static function getMySQLCollationsAvailable()
{
self::loadCharsets();
return Util::cacheGet('mysql_collations_available');
}
}