3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(mb_ereg_replace('a', 'b', 'c', 123));
Output for 4.3.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(1) "c"
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_ereg_replace() in /in/XcmNY on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_ereg_replace() in /in/XcmNY on line 3