PHP array_intersect () function uses code _php tips

Array Array_intersect (array array1, array array2 [, array ...])
The Array_intersect () function returns an array of intersections of two or more arrays.
Array_intersect () returns an array that contains all the values in Array1 that also appear in all other parameter arrays. Note that the key name remains unchanged.
Here are some examples of the manual to show you:


<?php
$array 1 = Array ("A" => "green", "Red", "blue");
$array 2 = Array ("B" => "green", "yellow", "red");
$result = Array_intersect ($array 1, $array 2);
Print_r ($result);
?>
The output results are as follows:

Array
(
[A] => green
[0] => Red
)