Ubuntu

isStableVersion($version) || $this->isNonStableVersion($version) || $this->isPreviewVersion($version); } private function isNonStableVersion($version) : bool { return (bool) preg_match('/^\\d+\\.\\d+\\.\\d+(-((rc|b|beta)\\d+|alpha)(\\.\\d{14})?)$/i', $version); } public function isPreviewVersion($version) : bool { if ($this->isNonStableVersion($version)) { if (\preg_match('/\\.(\\d{14})$/', $version, $matches)) { $dt = DateTime::createFromFormat('YmdHis', $matches[1]); return \false !== $dt && !\array_sum(array_map('intval', (array) $dt::getLastErrors())); } } return \false; } public function nextPreviewVersion($version) : string { if (!$this->isVersionNumber($version)) { return ''; } $dt = date('YmdHis'); if ($this->isPreviewVersion($version)) { // already a preview, update dt and check it's newer $newVersion = substr($version, 0, -14) . $dt; if (version_compare($version, $newVersion, '<')) { return $newVersion; } return ''; } elseif ($this->isStableVersion($version)) { // no suffix yet, we need to bump the patch first $newVersion = preg_replace_callback('/^(\\d+\\.\\d+\\.)(\\d+)$/', function ($matches) { $matches[2] = $matches[2] + 1; return $matches[1] . $matches[2]; }, $version); return sprintf('%s-alpha.%s', $newVersion, $dt); } elseif ('alpha' === substr($version, -5)) { // -alpha return $version . '.' . $dt; } else { // -b1, -rc1 return $version . '.' . $dt; } } }