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<?php $files = array ( 0 => 'test2.jpg', 1 => 'Test10.jpg' ); shuffle($files); sort($files, SORT_FLAG_CASE | SORT_STRING); print_r($files); natcasesort($files); print_r($files);
Output for 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
Array ( [0] => Test10.jpg [1] => test2.jpg ) Array ( [1] => test2.jpg [0] => Test10.jpg )

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69.41 ms | 406 KiB | 5 Q