3v4l.org

run code in 300+ PHP versions simultaneously
<?php // UNIT_MARKER_INVALID_CHARS = '_/\n<>'; echo $ic = preg_quote( '_/\n<>', '~'); var_dump( preg_match( "~[$ic]~", 'this-contains-letter-n' ) ); var_dump( preg_match( "~[$ic]~", 'this-comtaims-letter-m' ) ); var_dump( preg_match( "~[$ic]~", 'aaa' ) );
Output for git.master, git.master_jit, rfc.property-hooks
_/\\n\<\>int(1) int(0) int(0)

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:
31.53 ms | 401 KiB | 8 Q