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<?php $sizes = array("BAR", "L", "XXXL", "INVALID", "M", "S", "FOO"); function compare($a, $b) { list($a, $b) = array_keys(array("XS", "S", "M", "L", "XL", "XXL", "XXXL"), array($a, $b)); if($a == FALSE || $b == FALSE) return $a < $b; return $a > $b; } usort($sizes, "compare"); print_r($sizes);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Deprecated: usort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/NLsaF on line 10 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Warning: Undefined array key 0 in /in/NLsaF on line 5 Warning: Undefined array key 1 in /in/NLsaF on line 5 Array ( [0] => BAR [1] => L [2] => XXXL [3] => INVALID [4] => M [5] => S [6] => FOO )

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