3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($arg1, $arg2 = 0, $arg3 = "") { } foo();
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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
Fatal error: Uncaught ArgumentCountError: Too few arguments to function foo(), 0 passed in /in/re0Ll on line 6 and at least 1 expected in /in/re0Ll:2 Stack trace: #0 /in/re0Ll(6): foo() #1 {main} thrown in /in/re0Ll on line 2
Process exited with code 255.
Output for 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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
Warning: Missing argument 1 for foo(), called in /in/re0Ll on line 6 and defined in /in/re0Ll on line 2
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
Warning: Missing argument 1 for foo() in /in/re0Ll on line 2

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