3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo (strtoupper("hi my name is kelsey")); echo "<br />"; echo (strtolower("HI MY NAME IS KELSEY")); echo "<br />"; echo (ucfirst("hi my name is kelsey")); echo "<br />"; echo (ucwords("hi my name is kelsey")); echo "<br />"; ?>
based on pFOIs
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
HI MY NAME IS KELSEY<br />hi my name is kelsey<br />Hi my name is kelsey<br />Hi My Name Is Kelsey<br />
Output for hhvm-3.10.0

Process exited with code 153.