3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo preg_match('/[\x{c2a4}]/u', 'รค');
Output for 4.3.3 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.2.0
0
Output for 4.3.0 - 4.3.2
Warning: Compilation failed: characters with values > 255 are not yet supported in classes at offset 8 in /in/o1Xnl on line 3