public function apcu_exists($keys)
    {
        $code = new Code();
        $code->addStatement(sprintf(
            'return apcu_exists(%s);',
            var_export($keys, true)
        ));

        return $this->adapter->run($code);
    }
public function apcu_exists($keys)
    {
        $code = new Code();
        $code->addStatement(sprintf(
            'return apcu_exists(%s);',
            var_export($keys, true)
        ));

        return $this->adapter->run($code);
    }
public function apcu_exists ( $ keys ) { $ code = new Code ( ) ; $ code -> addStatement ( sprintf ( 'return apcu_exists(%s);' , var_export ( $ keys , true ) ) ) ; return $ this -> adapter -> run ( $ code ) ; }
Checks if one or more APCu keys exist.

@since  3.1.4
@param  mixed $keys A string, or an array of strings, that contain keys.
@return mixed       Returns TRUE if the key exists, otherwise FALSE Or if an array was passed to keys, then an
array is returned that contains all existing keys, or an empty array if none exist.
Checks if one or more APCu keys exist .