array_diff( ) function returns a new array containing all the values of array $arr1 that do not exist in array $arr2. : array_diff « Data Structure « PHP

1. PHP
2. Data Structure
3. array_diff

array_diff( ) function returns a new array containing all the values of array $arr1 that do not exist in array $arr2.

 
array array_diff ( array arr1, array arr2 [, array ...] )

<?
    $toppings1 = array("Pepperoni", "Cheese", "Anchovies", "Tomatoes");
    $toppings2 = array("Ham", "Cheese", "Peppers");
    $diff_toppings = array_diff($toppings1, $toppings2);

    var_dump($diff_toppings);
?>
  
  

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