/** * Sorts the builds in the queue by buildtime. * * @param Xinc_Build_Interface $a * @param Xinc_Build_Interface $b * * @return int */ public function sortQueue($a, $b) { $buildTimeA = $a->getNextBuildTime(); $buildTimeB = $b->getNextBuildTime(); if ($buildTimeA == $buildTimeB) { return 0; } return $buildTimeA < $buildTimeB ? -1 : 1; }