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<?php $array1 = array('invoice_duration_id' => 2, 'type' => 'invoice'); $array2 = array('invoice_duration_id' => 2, 'type' => '321'); $array3 = array('invoice_duration_id' => 2, 'type' => 'cod'); //$findDuplicate = array_diff_assoc( // $arr= $array1 + $array2 + $array3, // array_unique($arr) //); $arr= $array1->diff($array2)->count() === 0; var_dump($arr); die(); print_r($findDuplicate); //$result = $array1 + $array2; //var_dump($result);