3v4l.org

run code in 300+ PHP versions simultaneously
<?php $main = <<<'EOF' declare(strict_types=1); var_dump(foo("5")); EOF; $a = <<<'EOF' declare(strict_types=0); function foo(string $a): string { bar($a); return $a; } EOF; $b = <<<'EOF' declare(strict_types=1); function bar(int &$a) { var_dump($a); } EOF; eval($a); eval($b); eval($main);
Output for rfc.property-hooks, git.master, git.master_jit
int(5) string(1) "5"

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
101.92 ms | 2337 KiB | 4 Q