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<?php $array1 = array ("apple","banana","papaya","watermelon","avocado"); $array2 = array ("apple","avocado"); $set = []; foreach($array2 as $element){ $set[$element] = true; } $result = []; foreach($array1 as $element){ if(!isset($set[$element])){ $result[] = $element; } } print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => banana [1] => papaya [2] => watermelon )

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