ApcuCache.php

Go to the documentation of this file.

<?php
 
namespace Ubiquity\cache\system;
 
use Ubiquity\utils\base\UString;
use Ubiquity\cache\CacheFile;
 
class ApcuCache extends AbstractDataCache {
 
    public function __construct($root, $postfix = "") {
        parent::__construct ( $root, $postfix );
    }
 
    public function exists($key) {
        $success = false;
        \apc_fetch ( $this->getRealKey ( $key ), $success );
        return $success;
    }
 
    public function store($key, $code, $tag = null) {
        \apc_store ( $this->getRealKey ( $key ), $code );
    }
 
    protected function getRealKey($key) {
        return $key;
    }
 
    public function fetch($key) {
        return \apc_fetch ( $this->getRealKey ( $key ) );
    }
 
    public function file_get_contents($key) {
        return \apc_fetch ( $this->getRealKey ( $key ) );
    }
 
    public function getTimestamp($key) {
        $key = $this->getRealKey ( $key );
        $cache = \apc_cache_info ( 'user' );
        if (empty ( $cache ['cache_list'] )) {
            return false;
        }
        foreach ( $cache ['cache_list'] as $entry ) {
            if ($entry ['info'] != $key) {
                continue;
            }
            $creationTime = $entry ['creation_time'];
            return $creationTime;
        }
        return \time ();
    }
 
    public function remove($key) {
        \apc_delete ( $this->getRealKey ( $key ) );
    }
 
    public function clear() {
        \apc_clear_cache ( 'user' );
    }
 
    protected function getCacheEntries($type) {
        $entries = $this->getAllEntries ();
        return \array_filter ( $entries, function ($v) use ($type) {
            return UString::startswith ( $v ['info'], $type );
        } );
    }
 
    protected function getAllEntries() {
        $entries = [ ];
        $cache = \apc_cache_info ( 'user' );
        if (! empty ( $cache ['cache_list'] )) {
            $entries = $cache ['cache_list'];
        }
        return $entries;
    }
 
    public function getCacheFiles($type) {
        $result = [ ];
        $entries = $this->getCacheEntries ( $type );
        foreach ( $entries as $entry ) {
            $key = $entry ['info'];
            if (UString::startswith ( $key, $type )) {
                $result [] = new CacheFile ( \ucfirst ( $type ), $key, $entry ['creation_time'], $entry ['mem_size'], $key );
            }
        }
        if (\count ( $result ) === 0)
            $result [] = new CacheFile ( \ucfirst ( $type ), "", "", "" );
        return $result;
    }
 
    public function clearCache($type) {
        $entries = $this->getCacheEntries ( $type );
        foreach ( $entries as $entry ) {
            $this->remove ( $entry ['info'] );
        }
    }
 
    public function getEntryKey($key) {
        return $this->getRealKey ( $key );
    }
}