PHPUnit_Util_Test::getRequirements PHP Method

    public static function getRequirements($className, $methodName)
    {
        $reflector = new ReflectionClass($className);
        $docComment = $reflector->getDocComment();
        $reflector = new ReflectionMethod($className, $methodName);
        $docComment .= "\n" . $reflector->getDocComment();
        $requires = [];
        if ($count = preg_match_all(self::REGEX_REQUIRES_OS, $docComment, $matches)) {
            $requires['OS'] = sprintf('/%s/i', addcslashes($matches['value'][$count - 1], '/'));
        }
        if ($count = preg_match_all(self::REGEX_REQUIRES_VERSION, $docComment, $matches)) {
            for ($i = 0; $i < $count; $i++) {
                $requires[$matches['name'][$i]] = ['version' => $matches['version'][$i], 'operator' => $matches['operator'][$i]];
            }
        }
        // https://bugs.php.net/bug.php?id=63055
        $matches = [];
        if ($count = preg_match_all(self::REGEX_REQUIRES, $docComment, $matches)) {
            for ($i = 0; $i < $count; $i++) {
                $name = $matches['name'][$i] . 's';
                if (!isset($requires[$name])) {
                    $requires[$name] = [];
                }
                $requires[$name][] = $matches['value'][$i];
                if (empty($matches['version'][$i]) || $name != 'extensions') {
                    continue;
                }
                $requires['extension_versions'][$matches['value'][$i]] = ['version' => $matches['version'][$i], 'operator' => $matches['operator'][$i]];
            }
        }
        return $requires;
    }

 public function testGetRequirements()
 {
     $this->assertEquals(array(), PHPUnit_Util_Test::getRequirements('RequirementsTest', 'testOne'));
     $this->assertEquals(array('PHPUnit' => '1.0'), PHPUnit_Util_Test::getRequirements('RequirementsTest', 'testTwo'));
     $this->assertEquals(array('PHP' => '2.0'), PHPUnit_Util_Test::getRequirements('RequirementsTest', 'testThree'));
     $this->assertEquals(array('PHPUnit' => '2.0', 'PHP' => '1.0'), PHPUnit_Util_Test::getRequirements('RequirementsTest', 'testFour'));
 }