3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump( preg_replace('/\-/g', ' ', 'i-am-in-favorites') );
Output for 4.3.11 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_replace(): Unknown modifier 'g' in /in/Y2fLm on line 3 NULL
Output for hhvm-3.12.0
Warning: Unknown modifier 'g': [/\-/g] in /in/Y2fLm on line -1 NULL
Output for hhvm-3.10.0
Warning: Unknown modifier 'g': [/\-/g] in /in/Y2fLm on line 3 NULL
Output for 4.3.0 - 4.3.10
Warning: Unknown modifier 'g' in /in/Y2fLm on line 3 NULL