3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); final class Stacker { private array $stack = []; public function push($obj): Stacker { $this->stack[] = $obj; return $this; } public function shift() { return array_shift($this->stack); } public function pop() { return array_pop($this->stack); } } $stack = new Stacker(); $stack->push(1);
Output for 7.4.4 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Output for 7.1.25 - 7.1.31, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'array' (T_ARRAY), expecting function (T_FUNCTION) or const (T_CONST) in /in/h2TW1 on line 3
Process exited with code 255.
preferences:
154.04 ms | 402 KiB | 171 Q