public static function validate($url)
{
if (empty($url)) {
return false;
}
try {
$url = new self($url);
} catch (InvalidArgumentException $exception) {
return false;
}
if (!$url->getScheme()) {
return false;
}
return $url->isValid();
}
public function compare($v)
{
if (!$this->isValid()) {
return 0;
}
if (!$v instanceof self) {
$v = new self($v);
}
if (!$v->isValid()) {
return 0;
}
if ($this->majorVersion > $v->majorVersion) {
return 1;
} elseif ($this->majorVersion < $v->majorVersion) {
return -1;
}
if ($this->minorVersion > $v->minorVersion) {
return 1;
} elseif ($this->minorVersion < $v->minorVersion) {
return -1;
}
if ($this->patchVersion > $v->patchVersion) {
return 1;
} elseif ($this->patchVersion < $v->patchVersion) {
return -1;
}
// 1.0.0-alpha < 1.0.0-alpha.1 < 1.0.0-alpha.beta < 1.0.0-beta < 1.0.0-beta.2 < 1.0.0-beta.11 < 1.0.0-rc.1 < 1.0.0
if (!is_null($this->preReleaseVersion)) {
// 1.0.0-xxx < 1.0.0
if (is_null($v->preReleaseVersion)) {
return -1;
}
$a = explode('.', $this->preReleaseVersion);
$b = explode('.', $v->preReleaseVersion);
foreach ($a as $i => $av) {
if (!isset($b[$i])) {
return 1;
}
$bv = $b[$i];
if (is_numeric($av)) {
if (!is_numeric($bv)) {
return -1;
} elseif ($av < $bv) {
return -1;
} elseif ($av > $bv) {
return 1;
}
} elseif (is_numeric($bv)) {
return 1;
} else {
// both A-Z
$ret = strcasecmp($av, $bv);
if ($ret > 0) {
return 1;
} elseif ($ret < 0) {
return -1;
}
}
}
if (count($b) > count($a)) {
return -1;
}
} elseif (!is_null($v->preReleaseVersion)) {
return 1;
}
return 0;
}
