3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function say($x) { echo "I was told to say $x\n"; } } $foo = new foo(); function a($x) { global $foo; $foo->say($x); } function b($x) { $GLOBALS['foo']->say($x); } a("hiya"); b("howdy");
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.26, 8.0.0 - 8.0.13, 8.1rc1 - rc3
I was told to say hiya I was told to say howdy

preferences:
44.01 ms | 463 KiB | 5 Q