3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function fn(callable $cb) { echo $cb(); } class Pippo { public function yah() { return "hello world"; } } $cb = [new Pippo(), 'yah']; fn($cb);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Parse error: syntax error, unexpected token "fn", expecting "(" in /in/GeSp1 on line 3
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Parse error: syntax error, unexpected 'fn' (T_FN), expecting '(' in /in/GeSp1 on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
hello world
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Warning: Unsupported declare 'strict_types' in /in/GeSp1 on line 2 hello world
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