3v4l.org

run code in 300+ PHP versions simultaneously
<?php $context['forum_name'] = 'myForumName'; $params = [ 'context[forum_name]' => '\\' . $context['forum_name'] . '\\' ]; $text = <<<'TEXT' Foo {$context[forum_name]} bar {$bar} blah TEXT; echo preg_replace_callback( '/{\$([^}]+)}/', fn($m) => $params[$m[1]] ?? $m[0], $text );
Output for git.master, git.master_jit, rfc.property-hooks
Foo \myForumName\ bar {$bar} blah

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:
40.28 ms | 984 KiB | 4 Q