cache MySQL charset and collation information
This commit is contained in:
Sebastian Mendel
@@ -8,54 +8,83 @@
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/**
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*
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*/
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$res = PMA_DBI_query('SHOW CHARACTER SET;');
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$mysql_charsets = array();
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while ($row = PMA_DBI_fetch_assoc($res)) {
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$mysql_charsets[] = $row['Charset'];
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// never used
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//$mysql_charsets_maxlen[$row['Charset']] = $row['Maxlen'];
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$mysql_charsets_descriptions[$row['Charset']] = $row['Description'];
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}
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@PMA_DBI_free_result($res);
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if (! isset($_SESSION['mysql_charsets_count'])) {
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$res = PMA_DBI_query('SHOW CHARACTER SET;');
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$mysql_charsets_count = count($mysql_charsets);
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sort($mysql_charsets, SORT_STRING);
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$mysql_collations = array_flip($mysql_charsets);
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$mysql_default_collations = $mysql_collations_flat = $mysql_charsets_available = $mysql_collations_available = array();
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$res = PMA_DBI_query('SHOW COLLATION;');
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while ($row = PMA_DBI_fetch_assoc($res)) {
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if (!is_array($mysql_collations[$row['Charset']])) {
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$mysql_collations[$row['Charset']] = array($row['Collation']);
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} else {
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$mysql_collations[$row['Charset']][] = $row['Collation'];
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$mysql_charsets = array();
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while ($row = PMA_DBI_fetch_assoc($res)) {
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$mysql_charsets[] = $row['Charset'];
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// never used
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//$mysql_charsets_maxlen[$row['Charset']] = $row['Maxlen'];
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$mysql_charsets_descriptions[$row['Charset']] = $row['Description'];
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}
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$mysql_collations_flat[] = $row['Collation'];
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if ((isset($row['D']) && $row['D'] == 'Y') || (isset($row['Default']) && $row['Default'] == 'Yes')) {
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$mysql_default_collations[$row['Charset']] = $row['Collation'];
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}
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//$mysql_collations_available[$row['Collation']] = !isset($row['Compiled']) || $row['Compiled'] == 'Yes';
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$mysql_collations_available[$row['Collation']] = TRUE;
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$mysql_charsets_available[$row['Charset']] = !empty($mysql_charsets_available[$row['Charset']]) || !empty($mysql_collations_available[$row['Collation']]);
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}
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@PMA_DBI_free_result($res);
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unset($res, $row);
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PMA_DBI_free_result($res);
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$mysql_collations_count = count($mysql_collations_flat);
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sort($mysql_collations_flat, SORT_STRING);
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foreach ($mysql_collations AS $key => $value) {
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sort($mysql_collations[$key], SORT_STRING);
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reset($mysql_collations[$key]);
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$mysql_charsets_count = count($mysql_charsets);
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sort($mysql_charsets, SORT_STRING);
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$mysql_collations = array_flip($mysql_charsets);
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$mysql_default_collations = $mysql_collations_flat = $mysql_charsets_available = $mysql_collations_available = array();
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$res = PMA_DBI_query('SHOW COLLATION;');
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while ($row = PMA_DBI_fetch_assoc($res)) {
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if (!is_array($mysql_collations[$row['Charset']])) {
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$mysql_collations[$row['Charset']] = array($row['Collation']);
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} else {
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$mysql_collations[$row['Charset']][] = $row['Collation'];
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}
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$mysql_collations_flat[] = $row['Collation'];
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if ((isset($row['D']) && $row['D'] == 'Y') || (isset($row['Default']) && $row['Default'] == 'Yes')) {
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$mysql_default_collations[$row['Charset']] = $row['Collation'];
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}
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//$mysql_collations_available[$row['Collation']] = !isset($row['Compiled']) || $row['Compiled'] == 'Yes';
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$mysql_collations_available[$row['Collation']] = TRUE;
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$mysql_charsets_available[$row['Charset']] =
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!empty($mysql_charsets_available[$row['Charset']])
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|| !empty($mysql_collations_available[$row['Collation']]);
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}
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PMA_DBI_free_result($res);
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unset($res, $row);
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$mysql_collations_count = count($mysql_collations_flat);
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sort($mysql_collations_flat, SORT_STRING);
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foreach ($mysql_collations AS $key => $value) {
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sort($mysql_collations[$key], SORT_STRING);
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reset($mysql_collations[$key]);
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}
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unset($key, $value);
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$_SESSION['mysql_charsets'] = $GLOBALS['mysql_charsets'];
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$_SESSION['mysql_charsets_descriptions'] = $GLOBALS['mysql_charsets_descriptions'];
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$_SESSION['mysql_charsets_count'] = $GLOBALS['mysql_charsets_count'];
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$_SESSION['mysql_charsets_available'] = $GLOBALS['mysql_charsets_available'];
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$_SESSION['mysql_collations'] = $GLOBALS['mysql_collations'];
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$_SESSION['mysql_default_collations'] = $GLOBALS['mysql_default_collations'];
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$_SESSION['mysql_collations_flat'] = $GLOBALS['mysql_collations_flat'];
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$_SESSION['mysql_collations_count'] = $GLOBALS['mysql_collations_count'];
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$_SESSION['mysql_collations_available'] = $GLOBALS['mysql_collations_available'];
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} else {
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$GLOBALS['mysql_charsets'] = $_SESSION['mysql_charsets'];
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$GLOBALS['mysql_charsets_descriptions'] = $_SESSION['mysql_charsets_descriptions'];
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$GLOBALS['mysql_charsets_count'] = $_SESSION['mysql_charsets_count'];
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$GLOBALS['mysql_charsets_available'] = $_SESSION['mysql_charsets_available'];
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$GLOBALS['mysql_collations'] = $_SESSION['mysql_collations'];
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$GLOBALS['mysql_default_collations'] = $_SESSION['mysql_default_collations'];
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$GLOBALS['mysql_collations_flat'] = $_SESSION['mysql_collations_flat'];
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$GLOBALS['mysql_collations_count'] = $_SESSION['mysql_collations_count'];
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$GLOBALS['mysql_collations_available'] = $_SESSION['mysql_collations_available'];
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}
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unset($key, $value);
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define('PMA_CSDROPDOWN_COLLATION', 0);
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define('PMA_CSDROPDOWN_CHARSET', 1);
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function PMA_generateCharsetDropdownBox($type = PMA_CSDROPDOWN_COLLATION, $name = null, $id = null, $default = null, $label = TRUE, $indent = 0, $submitOnChange = FALSE, $displayUnavailable = FALSE) {
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global $mysql_charsets, $mysql_charsets_descriptions, $mysql_charsets_available, $mysql_collations, $mysql_collations_available;
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function PMA_generateCharsetDropdownBox($type = PMA_CSDROPDOWN_COLLATION,
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$name = null, $id = null, $default = null, $label = TRUE, $indent = 0,
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$submitOnChange = FALSE, $displayUnavailable = FALSE)
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{
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global $mysql_charsets, $mysql_charsets_descriptions,
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$mysql_charsets_available, $mysql_collations, $mysql_collations_available;
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if (empty($name)) {
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if ($type == PMA_CSDROPDOWN_COLLATION) {
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@@ -65,33 +94,46 @@ function PMA_generateCharsetDropdownBox($type = PMA_CSDROPDOWN_COLLATION, $name
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}
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}
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$spacer = '';
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for ($i = 1; $i <= $indent; $i++) $spacer .= ' ';
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$return_str = $spacer . '<select xml:lang="en" dir="ltr" name="' . htmlspecialchars($name) . '"' . (empty($id) ? '' : ' id="' . htmlspecialchars($id) . '"') . ($submitOnChange ? ' onchange="this.form.submit();"' : '') . '>' . "\n";
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$return_str = '<select xml:lang="en" dir="ltr" name="'
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. htmlspecialchars($name) . '"'
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. (empty($id) ? '' : ' id="' . htmlspecialchars($id) . '"')
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. ($submitOnChange ? ' onchange="this.form.submit();"' : '') . '>' . "\n";
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if ($label) {
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$return_str .= $spacer . ' <option value="">' . ($type == PMA_CSDROPDOWN_COLLATION ? $GLOBALS['strCollation'] : $GLOBALS['strCharset']) . '</option>' . "\n";
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$return_str .= '<option value="">'
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. ($type == PMA_CSDROPDOWN_COLLATION ? $GLOBALS['strCollation'] : $GLOBALS['strCharset'])
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. '</option>' . "\n";
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}
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$return_str .= $spacer . ' <option value=""> </option>' . "\n";
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$return_str .= '<option value=""></option>' . "\n";
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foreach ($mysql_charsets as $current_charset) {
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if (!$mysql_charsets_available[$current_charset]) {
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continue;
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}
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$current_cs_descr = empty($mysql_charsets_descriptions[$current_charset]) ? $current_charset : $mysql_charsets_descriptions[$current_charset];
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$current_cs_descr =
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empty($mysql_charsets_descriptions[$current_charset])
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? $current_charset
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: $mysql_charsets_descriptions[$current_charset];
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if ($type == PMA_CSDROPDOWN_COLLATION) {
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$return_str .= $spacer . ' <optgroup label="' . $current_charset . '" title="' . $current_cs_descr . '">' . "\n";
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$return_str .= '<optgroup label="' . $current_charset
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. '" title="' . $current_cs_descr . '">' . "\n";
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foreach ($mysql_collations[$current_charset] as $current_collation) {
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if (!$mysql_collations_available[$current_collation]) {
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continue;
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}
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$return_str .= $spacer . ' <option value="' . $current_collation . '" title="' . PMA_getCollationDescr($current_collation) . '"' . ($default == $current_collation ? ' selected="selected"' : '') . '>' . $current_collation . '</option>' . "\n";
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$return_str .= '<option value="' . $current_collation
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. '" title="' . PMA_getCollationDescr($current_collation) . '"'
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. ($default == $current_collation ? ' selected="selected"' : '') . '>'
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. $current_collation . '</option>' . "\n";
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}
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$return_str .= $spacer . ' </optgroup>' . "\n";
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$return_str .= '</optgroup>' . "\n";
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} else {
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$return_str .= $spacer . ' <option value="' . $current_charset . '" title="' . $current_cs_descr . '"' . ($default == $current_charset ? ' selected="selected"' : '') . '>' . $current_charset . '</option>' . "\n";
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$return_str .= '<option value="' . $current_charset
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. '" title="' . $current_cs_descr . '"'
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. ($default == $current_charset ? ' selected="selected"' : '') . '>'
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. $current_charset . '</option>' . "\n";
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}
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}
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$return_str .= $spacer . '</select>' . "\n";
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$return_str .= '</select>' . "\n";
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return $return_str;
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}
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