3v4l.org

run code in 300+ PHP versions simultaneously
<?php $saida = 'vazio'; $array = array( 'Foo' => NULL ); for( $i = 0; $i <= 100000000; $i++ ) { if (isset($array['Foo'])){ echo $i; } } echo $saida;
Output for 7.2.23, 7.3.1 - 7.3.3, 7.3.5 - 7.3.6, 7.3.9 - 7.3.10, 7.4.0, 8.1.26 - 8.1.28, 8.2.13 - 8.2.18, 8.3.0 - 8.3.6
vazio
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.22, 7.2.24 - 7.2.25, 7.3.0, 7.3.4, 7.3.7 - 7.3.8, 7.3.11 - 7.3.12

Process exited with code 137.
preferences:
188.95 ms | 404 KiB | 285 Q