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run code in 300+ PHP versions simultaneously
<?php var_dump(array_combine(array(0, 1, 2, 0, 3), array("a", "b", "c", "d", "e")));
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, 5.5.0 - 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 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(4) { [0]=> string(1) "d" [1]=> string(1) "b" [2]=> string(1) "c" [3]=> string(1) "e" }
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_combine() in /in/6b7et on line 3
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_combine() in /in/6b7et on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_combine() in /in/6b7et on line 3

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