3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); $c = new class { public function error() { trigger_error('hello'); } }; set_error_handler(function (int $errno, string $errstr, string $errfile, int $errline) { var_dump('Error', $errno, $errstr, $errfile, $errline); }); $c->error();
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
string(5) "Error" int(1024) string(5) "hello" string(9) "/in/LjmEF" int(7)

preferences:
182.14 ms | 403 KiB | 158 Q