3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '<pre>'; $a = ' \\\n'; echo $a.'<br>'; if (preg_match('%[\\]{2}%i', $a, $regs)) { var_dump($regs); } else { echo 'Failed.'; }
Output for git.master, git.master_jit, rfc.property-hooks
<pre> \\n<br> Warning: preg_match(): Compilation failed: missing terminating ] for character class at offset 6 in /in/1lFvG on line 7 Failed.

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:
42.59 ms | 401 KiB | 8 Q