3v4l.org

run code in 300+ PHP versions simultaneously
<?php function replace4byte($string) { return preg_replace('%(?: \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3 | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15 | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16 )%xs', '', $string); } echo replace4byte(\u2019);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "u2019" in /in/4eFNt:11 Stack trace: #0 {main} thrown in /in/4eFNt on line 11
Process exited with code 255.

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:
53 ms | 401 KiB | 8 Q