3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo() { echo "Foo called\n"; return 3; } for ($i = 0; $i < foo(); $i++) { echo $i . '\r\n'; }
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.2.0
Foo called 0\r\nFoo called 1\r\nFoo called 2\r\nFoo called