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More reliable cache flusher that does not require glob().

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git-svn-id: http://svn.automattic.com/wordpress/trunk@3400 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2006-01-05 02:56:42 +00:00
parent dd8e5a3aae
commit 9675f5fd55
2 changed files with 28 additions and 82 deletions
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43
wp-includes/cache.php
View File

@ -91,7 +91,7 @@ class WP_Object_Cache {
if ( !$this->cache_enabled )
return;
$this->rm($this->cache_dir.'*');
$this->rm_cache_dir();
$this->cache = array ();
$this->dirty_objects = array ();
$this->non_existant_objects = array ();
@ -214,25 +214,34 @@ class WP_Object_Cache {
return $this->cache_dir."$group_dir/";
}
function rm($fileglob) {
if (is_file($fileglob)) {
return @ unlink($fileglob);
} else
if (is_dir($fileglob)) {
$ok = WP_Object_Cache::rm("$fileglob/*");
if (!$ok)
return false;
return @ rmdir($fileglob);
} else {
$matching = glob($fileglob);
if ($matching === false)
return true;
$rcs = array_map(array ('WP_Object_Cache', 'rm'), $matching);
if (in_array(false, $rcs)) {
function rm_cache_dir() {
$dir = $this->cache_dir;
$dir = rtrim($dir, DIRECTORY_SEPARATOR);
$stack = array($dir);
while (count($stack)) {
# Get last directory on stack
$dir = end($stack);
$dh = @ opendir($dir);
if (!$dh)
return false;
while (($file = @ readdir($dh)) !== false) {
if ($file == '.' or $file == '..')
continue;
if (@ is_dir($dir . DIRECTORY_SEPARATOR . $file))
$stack[] = $dir . DIRECTORY_SEPARATOR . $file;
else if (@ is_file($dir . DIRECTORY_SEPARATOR . $file))
@ unlink($dir . DIRECTORY_SEPARATOR . $file);
}
if (end($stack) == $dir) {
@ rmdir($dir);
array_pop($stack);
}
}
return true;
}
function replace($id, $data, $group = 'default', $expire = '') {

63
wp-includes/functions-compat.php
View File

@ -89,67 +89,4 @@ if (!function_exists('array_change_key_case')) {
}
}
/* Added in PHP 4.3.0 */
if( !function_exists('glob') ):
function glob($pattern) {
// get pathname (everything up until the last / or \)
$path=$output=null;
// if(PHP_OS=='WIN32')
// $slash='\\';
// else
// $slash='/';
$slash = '/';
$lastpos=strrpos($pattern,$slash);
if(!($lastpos===false)) {
$path=substr($pattern,0,$lastpos); #negative length means take from the right
$pattern=substr($pattern,$lastpos+1);
} else {
//no dir info, use current dir
$path=getcwd();
}
$handle=@ opendir($path);
if($handle===false)
return false;
while($dir=readdir($handle)) {
if ( '.' == $dir || '..' == $dir )
continue;
if (pattern_match($pattern,$dir))
$output[]=$path . '/' . $dir;
}
closedir($handle);
if(is_array($output))
return $output;
return false;
}
function pattern_match($pattern,$string) {
// basically prepare a regular expression
$out=null;
$chunks=explode(';',$pattern);
foreach($chunks as $pattern) {
$escape=array('$','^','.','{','}','(',')','[',']','|');
while(strpos($pattern,'**')!==false)
$pattern=str_replace('**','*',$pattern);
foreach($escape as $probe)
$pattern=str_replace($probe,"\\$probe",$pattern);
$pattern=str_replace('?*','*',
str_replace('*?','*',
str_replace('*',".*",
str_replace('?','.{1,1}',$pattern))));
$out[]=$pattern;
}
if(count($out)==1)
return(eregi("^$out[0]$",$string));
else
foreach($out as $tester)
if(eregi("^$tester$",$string))
return true;
return false;
}
endif;
?>