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ec0b1a8602
git-svn-id: http://svn.automattic.com/wordpress/trunk@3280 1a063a9b-81f0-0310-95a4-ce76da25c4cd
156 lines
3.3 KiB
PHP
156 lines
3.3 KiB
PHP
<?php
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/* Functions missing from older PHP versions */
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/* Added in PHP 4.2.0 */
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if (!function_exists('floatval')) {
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function floatval($string) {
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return ((float) $string);
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}
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}
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if (!function_exists('is_a')) {
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function is_a($object, $class) {
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// by Aidan Lister <aidan@php.net>
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if (get_class($object) == strtolower($class)) {
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return true;
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} else {
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return is_subclass_of($object, $class);
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}
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}
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}
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if (!function_exists('ob_clean')) {
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function ob_clean() {
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// by Aidan Lister <aidan@php.net>
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if (@ob_end_clean()) {
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return ob_start();
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}
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return false;
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}
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}
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/* Added in PHP 4.3.0 */
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function printr($var, $do_not_echo = false) {
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// from php.net/print_r user contributed notes
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ob_start();
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print_r($var);
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$code = htmlentities(ob_get_contents());
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ob_clean();
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if (!$do_not_echo) {
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echo "<pre>$code</pre>";
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}
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return $code;
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}
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if (!defined('CASE_LOWER')) {
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define('CASE_LOWER', 0);
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}
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if (!defined('CASE_UPPER')) {
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define('CASE_UPPER', 1);
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}
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/**
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* Replace array_change_key_case()
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*
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* @category PHP
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* @package PHP_Compat
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* @link http://php.net/function.array_change_key_case
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* @author Stephan Schmidt <schst@php.net>
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* @author Aidan Lister <aidan@php.net>
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* @version $Revision$
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* @since PHP 4.2.0
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* @require PHP 4.0.0 (user_error)
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*/
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if (!function_exists('array_change_key_case')) {
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function array_change_key_case($input, $case = CASE_LOWER)
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{
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if (!is_array($input)) {
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user_error('array_change_key_case(): The argument should be an array',
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E_USER_WARNING);
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return false;
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}
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$output = array ();
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$keys = array_keys($input);
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$casefunc = ($case == CASE_LOWER) ? 'strtolower' : 'strtoupper';
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foreach ($keys as $key) {
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$output[$casefunc($key)] = $input[$key];
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}
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return $output;
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}
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}
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/* Added in PHP 4.3.0 */
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if( !function_exists('glob') ):
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function glob($pattern) {
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// get pathname (everything up until the last / or \)
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$path=$output=null;
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// if(PHP_OS=='WIN32')
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// $slash='\\';
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// else
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// $slash='/';
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$slash = '/';
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$lastpos=strrpos($pattern,$slash);
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if(!($lastpos===false)) {
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$path=substr($pattern,0,$lastpos); #negative length means take from the right
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$pattern=substr($pattern,$lastpos+1);
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} else {
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//no dir info, use current dir
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$path=getcwd();
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}
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$handle=@ opendir($path);
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if($handle===false)
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return false;
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while($dir=readdir($handle)) {
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if ( '.' == $dir || '..' == $dir )
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continue;
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if (pattern_match($pattern,$dir))
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$output[]=$path . '/' . $dir;
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}
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closedir($handle);
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if(is_array($output))
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return $output;
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return false;
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}
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function pattern_match($pattern,$string) {
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// basically prepare a regular expression
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$out=null;
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$chunks=explode(';',$pattern);
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foreach($chunks as $pattern) {
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$escape=array('$','^','.','{','}','(',')','[',']','|');
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while(strpos($pattern,'**')!==false)
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$pattern=str_replace('**','*',$pattern);
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foreach($escape as $probe)
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$pattern=str_replace($probe,"\\$probe",$pattern);
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$pattern=str_replace('?*','*',
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str_replace('*?','*',
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str_replace('*',".*",
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str_replace('?','.{1,1}',$pattern))));
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$out[]=$pattern;
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}
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if(count($out)==1)
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return(eregi("^$out[0]$",$string));
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else
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foreach($out as $tester)
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if(eregi("^$tester$",$string))
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return true;
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return false;
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}
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endif;
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?>
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