<?php $all_array = array('a'=>'1', 'b'=>'2', 'c'=>'3', 'd'=>'4', 'e'=>'5'); $find_array = array('b', 'd', 'e'); $r=[]; array_walk($find_array, function($v,$k) use($all_array,&$r){$r[] = $all_array[$v];}); print_r($r);
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