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<?php $sortables = ['admin11class', 'adminclass12', '13adminclass']; usort($sortables, function($a, $b) { preg_match_all('!\d+!', $a, $matchesA); preg_match_all('!\d+!', $b, $matchesB); return $matchesA[0] > $matchesB[0]; }); var_dump($sortables);

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