3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo mb_substr_replace('autoconnaître', 'i', -4, -1) ?>
based on GqNI3
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function mb_substr_replace() in /in/LFVsN:4 Stack trace: #0 {main} thrown in /in/LFVsN on line 4
Process exited with code 255.
Output for 5.3.20 - 5.6.28
Fatal error: Call to undefined function mb_substr_replace() in /in/LFVsN on line 4
Process exited with code 255.