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run code in 300+ PHP versions simultaneously
<?php class JsonSerializer { public static function serialize($value) { var_dump($value); } public function __call($method, $args) { if ('serialize' !== strtolower($method)) { throw new \BadMethodCallException('Call to undefined method '.__CLASS__."::$method()"); } return self::serialize(...$args); } } JsonSerializer::serialize('foo'); (new JsonSerializer())->serialize('bar');
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(3) "foo" string(3) "bar"

preferences:
134.94 ms | 403 KiB | 167 Q