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<?php function up($text) { echo strtoupper($text); } $array = array("hi", "bye", "how", "bY", array("test", "trial", array("hover"))); array_walk_recursive($array); ?>
Output for 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: array_walk_recursive() expects at least 2 arguments, 1 given in /in/7UnsY:6 Stack trace: #0 /in/7UnsY(6): array_walk_recursive(Array) #1 {main} thrown in /in/7UnsY on line 6
Process exited with code 255.
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_walk_recursive() expects at least 2 parameters, 1 given in /in/7UnsY on line 6
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: Wrong parameter count for array_walk_recursive() in /in/7UnsY on line 6
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_walk_recursive() in /in/7UnsY on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_walk_recursive() in /in/7UnsY on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_walk_recursive() in /in/7UnsY on line 6

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