Piwik\Plugin\Dependency::getMissingVersions PHP Метод

    public function getMissingVersions($currentVersion, $requiredVersion)
    {
        $currentVersion = trim($currentVersion);
        $missingVersions = array();
        if (empty($currentVersion)) {
            if (!empty($requiredVersion)) {
                $missingVersions[] = (string) $requiredVersion;
            }
            return $missingVersions;
        }
        $requiredVersion = $this->makeVersionBackwardsCompatibleIfNoComparisonDefined($requiredVersion);
        $version = new VersionParser();
        $constraintsExisting = $version->parseConstraints($currentVersion);
        $requiredVersions = explode(',', (string) $requiredVersion);
        foreach ($requiredVersions as $required) {
            $required = trim($required);
            if (empty($required)) {
                continue;
            }
            $required = $this->makeVersionBackwardsCompatibleIfNoComparisonDefined($required);
            $constraintRequired = $version->parseConstraints($required);
            if (!$constraintRequired->matches($constraintsExisting)) {
                $missingVersions[] = $required;
            }
        }
        return $missingVersions;
    }

 private function assertMissingVersion($currentVersion, $requiredVersion, $expectedMissing)
 {
     $missing = $this->dependency->getMissingVersions($currentVersion, $requiredVersion);
     $this->assertEquals($expectedMissing, $missing);
 }