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<?php $a = ['111', '22', '3', '4444']; sort($a, PREG_SPLIT_NO_EMPTY); var_dump($a);
Output for 5.5.38, 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
array(4) { [0]=> string(1) "3" [1]=> string(2) "22" [2]=> string(3) "111" [3]=> string(4) "4444" }
Output for 4.4.9, 5.1.6, 5.2.17, 5.3.29
Parse error: syntax error, unexpected '[' in /in/fSual on line 2
Process exited with code 255.
Output for 4.3.11, 5.0.5
Parse error: parse error, unexpected '[' in /in/fSual on line 2
Process exited with code 255.

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