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

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git-svn-id: https://develop.svn.wordpress.org/trunk@3400 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2006-01-05 02:56:42 +00:00
parent 4bc544584d
commit a984308f14
2 changed files with 28 additions and 82 deletions
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47
wp-includes/cache.php
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@@ -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)) {
return false;
}
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 . $file);
}
return true;
if (end($stack) == $dir) {
@ rmdir($dir);
array_pop($stack);
}
}
}
function replace($id, $data, $group = 'default', $expire = '') {