if ( !function_exists( 'apcu_fetch') ) {
	function apcu_fetch( $key, &$success = null ) {
		return apc_fetch( $key, $success );
	}

	function apcu_store( $key, $var, $ttl = 0 ) {
		return apc_store( $key, $var, $ttl );
	}

	function apcu_delete( $key ) {
		return apc_delete( $key );
	}

	function apcu_inc( $key, $step = 1, &$success = null ) {
		return apc_inc( $key, $step, $success );
	}

	function apcu_dec( $key, $step = 1, &$success = null ) {
		return apc_dec( $key, $step, $success );
	}
}