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<?php $arr1 = array ( 0 => array ( 'id' => '6662', ), 1 => array ( 'id' => '6656', ), 2 => array ( 'id' => '6657', ), 3 => array ( 'id' => '6527', ), 4 => array ( 'id' => '6528', ), 5 => array ( 'id' => '6529', ), ); $arr2 = array ( 0 => array ( 'id' => '6527', ), 1 => array ( 'id' => '6528', ), 2 => array ( 'id' => '6529', ), ); var_dump(array_diff(array_column($arr1, "id"), array_column($arr2, "id")));
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
array(3) { [0]=> string(4) "6662" [1]=> string(4) "6656" [2]=> string(4) "6657" }

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