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run code in 300+ PHP versions simultaneously
<?php var_dump(array_rand(['a', 'b'], 2));
Output for 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 - 7.2.34, 7.3.0 - 7.3.31, 7.4.0 - 7.4.24, 8.0.0 - 8.0.11
array(2) { [0]=> int(0) [1]=> int(1) }
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/pSk1D on line 3
Process exited with code 255.

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