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<?php $array = array("1","2","3"); $only_integers = array_filter($array,function($v){ return is_numeric($v); } ); // true var_dump($only_integers);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" }

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