3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $saida = 'vazio'; $array = array( 'Foo' => NULL ); for( $i = 0; $i <= 100000000; $i++ ) { if (isset($array['Foo'])){ echo $i; } } echo $saida;
based on Kv93A
Output for 5.3.0 - 5.6.28, 7.1.0

Process exited with code 137.
Output for 7.0.0 - 7.0.14
vazio