3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_match('[0-9]{10,11}','6309387601'));
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): Unknown modifier '{' in /in/R61d0 on line 2 bool(false)
Output for hhvm-3.10.0 - 3.12.0
Warning: Unknown modifier '{': [[0-9]{10,11}] in /in/R61d0 on line 2 bool(false)
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier '{' in /in/R61d0 on line 2 bool(false)