PHP Function array_intersect_assoc()

Syntax

array array_intersect_assoc ( array $array1, array $array2 [, array $array3 ...] );

Definition and Usage

Returns an array containing all the values of array1 that are present in all the arguments. Note that the keys are used in the comparison unlike in array_intersect().

Paramters

Parameter	Description
array1	Required. The first array is the array that the others will be compared with.
array2	Required. An array to be compared with the first array
array3	Optional. An array to be compared with the first array

Return Values

Returns an array containing all the values of array1 that are present in all the arguments.

Example

Try out following example:

<?php
$array1 = array("a" => "green", "red", "blue");
$array2 = array("a" => "green", "yellow", "red");
$result = array_intersect_assoc($array1, $array2);
print_r($result);
?>

This will produce following result:

Array ( [a] => green )