PHP array_intersect() Function

The array_intersect( ) function is used to Computes the intersection of arrays. It compares two or more arrays and returns an array containing all the values of the first array that are present in other arrays. In this operation, keys are preserved. This function was introduced in PHP 4.0.1.

Syntax

Parameter

Return Type

It returns an array containing the entries from array1 that are present in all of the other arrays.

EXAMPLE 1

Output:

 Array ( [a] => java [0] => python ) 

EXAMPLE 2

Output:

 Array ( [a] => chess ) 

EXAMPLE 3

Output:

 Array ( [Orange] => 100 [Apple] => 200 [Banana] => 300 ) 

EXAMPLE 4

Output:

 Array ( [2] => rishi [3] => ayush )