Revision: 59991
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at October 14, 2012 01:16 by peckham
Initial Code
<?php
/**
* Class Cache
*
* @author Koen Ekelschot
* @license WTFPL
*/
class Cache {
private $cachedFile;
public function __construct($identifier) {
$this->cachedFile = ROOT.DS.'tmp'.DS.'cache'.DS.md5($identifier);
}
public function cacheExists($maxAge) {
if (file_exists($this->cachedFile) && !is_dir($this->cachedFile)) {
if (filemtime($this->cachedFile) + $maxAge > time()) {
return true;
} else {
$this->invalidateCache();
}
}
return false;
}
public function getCachedCopy() {
$contents = file_get_contents($this->cachedFile);
return unserialize(base64_decode($contents));
}
public function getCachedFilename() {
return str_replace(ROOT, '', $this->cachedFile);
}
public function cacheResult($result) {
if (file_exists($this->cachedFile) && !is_dir($this->cachedFile)) {
$this->invalidateCache();
}
$base64 = base64_encode(serialize($result));
file_put_contents($this->cachedFile, $base64);
}
private function invalidateCache() {
unlink($this->cachedFile);
}
}
?>
Initial URL
Initial Description
A simple class to cache files (or other results) with PHP.
Initial Title
Simple PHP cache class
Initial Tags
class, php, simple, cache
Initial Language
PHP