ElggStaticVariableCache.php

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<?php
class ElggStaticVariableCache extends ElggSharedMemoryCache {
    private static $__cache;

    public function __construct($namespace = 'default') {
        $this->setNamespace($namespace);
        $this->clear();
    }

    public function save($key, $data) {
        $namespace = $this->getNamespace();

        ElggStaticVariableCache::$__cache[$namespace][$key] = $data;

        return true;
    }

    public function load($key, $offset = 0, $limit = null) {
        $namespace = $this->getNamespace();

        if (isset(ElggStaticVariableCache::$__cache[$namespace][$key])) {
            return ElggStaticVariableCache::$__cache[$namespace][$key];
        }

        return false;
    }

    public function delete($key) {
        $namespace = $this->getNamespace();

        unset(ElggStaticVariableCache::$__cache[$namespace][$key]);

        return true;
    }

    public function clear() {
        $namespace = $this->getNamespace();

        if (!isset(ElggStaticVariableCache::$__cache)) {
            ElggStaticVariableCache::$__cache = array();
        }

        ElggStaticVariableCache::$__cache[$namespace] = array();
    }
}