3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(preg_replace('/\[(\S+)\]/e', '', "hallo"));
based on V9Cl4
Output for 7.0.0 - 7.1.0
Warning: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead in /in/UgPSh on line 2 NULL
Output for 5.5.24 - 5.6.28
Deprecated: preg_replace(): The /e modifier is deprecated, use preg_replace_callback instead in /in/UgPSh on line 2 string(5) "hallo"
Output for 4.3.0 - 5.4.45
string(5) "hallo"