3v4l.org

run code in 300+ PHP versions simultaneously
<?php $oh_my_sides = 'holy moly im null'; var_dump($oh_my_sides); function foo () { $OH_YEAH = "CANDY"; for( $i = 0; $i < 10; $i++ ) { $OH_YEAH .= $OH_YEAH; } } $oh_my_sides = foo(); var_dump($oh_my_sides);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(17) "holy moly im null" NULL

preferences:
234.33 ms | 406 KiB | 314 Q