3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function __destruct() { echo "beep\n"; } } function alpha($foo) { echo "before\n"; $foo = "eat shit\n"; echo "after\n"; var_dump($foo); var_dump(func_get_args()); } function beta($foo) { echo "before\n"; $foo = "eat shit\n"; echo "after\n"; var_dump($foo); } alpha(new Foo); beta(new Foo);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
before beep after string(9) "eat shit " array(1) { [0]=> string(9) "eat shit " } before beep after string(9) "eat shit "
Output for 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
before after string(9) "eat shit " array(1) { [0]=> object(Foo)#1 (0) { } } beep before after string(9) "eat shit " beep
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
before after string(9) "eat shit " array(1) { [0]=> object(foo)(0) { } } before after string(9) "eat shit "

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