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

13 votes140 views6 answers
Route group in laravel
PHP
28 votes177 views3 answers
How do I get the current date and time in PHP?
PHP
9 votes206 views2 answers
Use resource in laravel 8
PHP Laravel
3 votes124 views1 answer
How can I prevent SQL injection in PHP?
PHP
0 vote143 views1 answer
How to append an array into associative array
PHP
0 vote124 views1 answer
Remove WordPress Login error hints
PHP
3 votes149 views2 answers
Cookies are blocked or not supported by your browser. You must enable cookies to use WordPress.
PHP
0 vote110 views1 answer
Php integer to js integer
PHP
7 votes147 views3 answers
Laravel - Query Builder Left join
PHP Laravel
1 vote138 views2 answers
Laravel middleware in constructor
PHP