PHP array_intersect_assoc() Function

The array_intersect_assoc() is used to create an array containing keys and values of the first array whose values (i.e., from the first array) are present in all other arrays, while the index of values is same for all the given arrays. This function was introduced in PHP 4.3.0.

Syntax

Parameter

Return Type

The function returns another array that contains the intersection of all the input arrays. If no element matches, a NULL array is returned.

EXAMPLE 1

Output:

Array ( [a] => Orange )

EXAMPLE 2

Output:

Array ( [100] => sachin )

EXAMPLE 3

Output:

Array ( [a] => java [b] => php )

EXAMPLE 4

Output:

Array ( [a] => black )