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<?php $sizes = array("BAR", "L", "XXXL", "INVALID", "M", "S", "FOO"); function compare($a, $b) { $sizeincrement = array("XS", "S", "M", "L", "XL", "XXL", "XXXL"); $a = array_search($a, $sizeincrement); $b = array_search($b, $sizeincrement); if($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
Deprecated: usort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/qcsNb on line 12 Array ( [0] => S [1] => M [2] => L [3] => XXXL [4] => BAR [5] => INVALID [6] => FOO )

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