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<?php $array = ['bananna', 'cranberry', 'apple']; $fn = function ($a, $b) { if(strlen($a) > strlen($b)) { return 1; } return 0; }; usort($array, $fn); var_dump( $array);
Output for 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 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1 - 8.4.2
array(3) { [0]=> string(5) "apple" [1]=> string(7) "bananna" [2]=> string(9) "cranberry" }

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