Tools/Evaluator/ApcuParserCache.php
public function fetch($key)
    {
        if(extension_loaded('apcu') && function_exists('apcu_fetch')) {
            $cached = apcu_fetch($key);
            if (!$cached) {
                return null;
            }

            return $cached;

        }else{
            return null;
        }
    }
public function fetch($key)
    {
        if(extension_loaded('apcu') && function_exists('apcu_fetch')) {
            $cached = apcu_fetch($key);
            if (!$cached) {
                return null;
            }

            return $cached;

        }else{
            return null;
        }
    }
public function fetch ( $ key ) { if ( extension_loaded ( 'apcu' ) && function_exists ( 'apcu_fetch' ) ) { $ cached = apcu_fetch ( $ key ) ; if ( ! $ cached ) { return null ; } return $ cached ; } else { return null ; } }
Fetches an expression from the cache.

@param string $key The cache key

@return ParsedExpression|null
Fetches an expression from the cache .