Php get intersection of arrays

$array1 = [1, 2];
$array2 = [2, 3, 4];
$commonValue = array_intersect($array1, $array2);
//$commonValue = 2
// If you have X number of arrays you can do:
$array1 = [1, 2];
$array2 = [2, 3, 4];
$arrayOfArrays = [$array1, $array2];
$commonValue = array_intersect(...$arrayOfArrays);

Javascript get intersection of two arrays

function getArraysIntersection(a1,a2){
    return  a1.filter(function(n) { return a2.indexOf(n) !== -1;});
}
var colors1 = ["red","blue","green"];
var colors2 = ["red","yellow","blue"];
var intersectingColors=getArraysIntersection(colors1, colors2); //["red", "blue"]

Similar codes

1 vote260 views2 answers
Laravel form
PHP
32 votes242 views5 answers
Php array has key
PHP
0 vote228 views1 answer
Sending HTML Code Through JSON
PHP
0 vote235 views1 answer
Laravel collection pipe
PHP
1 vote267 views1 answer
Laravel Unable to migrate or Make Seeds
PHP Laravel
6 votes205 views5 answers
Remove last character from string php
PHP
0 vote241 views2 answers
Laravel check if string is url
PHP
0 vote276 views1 answer
Exclude row from clooection laravel
PHP Laravel
1 vote277 views1 answer
Wordpress print all categories
PHP Wordpress
1 vote256 views1 answer
Is alphanumeric php
PHP