Returns the current version of PHPUnit.
string
public static function id() {
if (self::$version === NULL) {
self::$version = self::VERSION;
if (is_dir(dirname(dirname(__DIR__)) . '/.git')) {
$dir = getcwd();
chdir(__DIR__);
$version = exec('git describe --tags 2>&1', $output, $returnCode);
chdir($dir);
if ($version && $returnCode === 0) {
if (count(explode('.', self::VERSION)) == 3) {
self::$version = $version;
}
else {
$version = explode('-', $version);
self::$version = self::VERSION . '-' . $version[2];
}
}
else {
self::$version = self::VERSION . '-dev';
}
}
}
return self::$version;
}