php - array_diff

Description

array array_diff ( array $array1, array $array2 [, array $ ...] )

Compares array1 against array2 and returns the difference.

Examples

Example 237. array_diff() example

= array("a" => "green", "red", "blue", "red");
$array2 = array("b" => "green", "yellow", "red");
$result = array_diff($array1, $array2);

print_r($result);
?>

Multiple occurrences in $array1 are all treated the same way. This will output :

Array
(
[1] => blue
)