Php array function sequence: array_intersect () returns the intersection array of two or more arrays _ PHP Tutorial

Array_intersect () of the php array function sequence returns the intersection array of two or more arrays. Array_intersect () definition and usage the array_intersect () function returns an intersection array of two or more arrays. The result array contains all the results in the compared array and Array_intersect () definition and usage

The array_intersect () function returns the intersection array of two or more arrays.

The result array contains all values in the compared array and all other parameter arrays. The key name remains unchanged.

Note: only values are used for comparison.

Syntax
Array_intersect (array1, array2, array3 ...)

Parameters	Description
Array1	Required. The first array to be compared with other arrays.
Array2	Required. The array to be compared with the first array.
Array3	Optional. The array to be compared with the first array. There can be multiple.

Example

The code is as follows:

$ A1 = array (0 => "Cat", 1 => "Dog", 2 => "Horse ");
$ A2 = array (3 => "Horse", 4 => "Dog", 5 => "Fish ");
Print_r (array_intersect ($ a1, $ a2 ));
?>

Output:

Array ([1] => Dog [2] => Horse)

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