3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php print(strtoupper("nerses srapionyan")); print(strttolower("NERSES SRAPIONYAN")); ?>
Output for 7.0.0 - 7.1.0
NERSES SRAPIONYAN Fatal error: Uncaught Error: Call to undefined function strttolower() in /in/IWBXc:3 Stack trace: #0 {main} thrown in /in/IWBXc on line 3
Process exited with code 255.
Output for 5.0.0 - 5.6.28
NERSES SRAPIONYAN Fatal error: Call to undefined function strttolower() in /in/IWBXc on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
NERSES SRAPIONYAN Fatal error: Call to undefined function: strttolower() in /in/IWBXc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
NERSES SRAPIONYAN Fatal error: Call to undefined function: strttolower() in /in/IWBXc on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
NERSES SRAPIONYAN Fatal error: Call to undefined function: strttolower() in /in/IWBXc on line 3