3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { return array(1, 2, 3); } class bar { function foo() { return array(1, 2, 3); } } var_dump(bar::foo()); var_dump(array_pop(foo())); var_dump(array_pop(array(1, 2, 3)));
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Non-static method bar::foo() cannot be called statically in /in/S6ivj:6 Stack trace: #0 {main} thrown in /in/S6ivj on line 6
Process exited with code 255.
Output for 4.3.2 - 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 - 5.4.34
Fatal error: Only variables can be passed by reference in /in/S6ivj on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Only variables can be passed by reference in /in/S6ivj on line 8

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