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<?php $array1 = [ ['ITEM' => 1], ['ITEM' => 2], ['ITEM' => 3], ]; $array2 = [ ['ITEM' => 2], ['ITEM' => 3], ['ITEM' => 1], ['ITEM' => 4], ]; var_export( array_udiff( $array2, $array1, fn($a, $b) => $a <=> $b ) );
Output for git.master_jit, git.master
array ( 3 => array ( 'ITEM' => 4, ), )

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