3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function test1($unset = false) { static $bar = 0; $bar++; echo $bar; if ($unset) { unset($bar); echo $bar; } } function test2($unset = false) { global $bar; if (!isset($bar)) { $bar = 0; } $bar++; echo $bar; if ($unset) { unset($bar); echo $bar; } } test1(); test1(); test1(true); test1(); echo "\n"; test2(); test2(); test2(true); test2();
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
123 Notice: Undefined variable: bar in /in/CGfaC on line 12 4 123 Notice: Undefined variable: bar in /in/CGfaC on line 28 4
Output for 4.3.0 - 5.0.3
123 Notice: Undefined variable: bar in /in/CGfaC on line 12 4 123 Notice: Undefined variable: bar in /in/CGfaC on line 28 4