PHP/Data Structure/array diff assoc

array_diff_assoc

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<?php $array1 = array("OH" => "Ohio", "CA" => "California", "HI" => "Hawaii"); $array2 = array("50" => "Hawaii", "CA" => "California", "OH" => "Ohio"); $array3 = array("TX" => "Texas", "MD" => "Maryland", "KS" => "Kansas"); $diff = array_diff_assoc($array1, $array2, $array3); print_r($diff); ?>

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