Php array_intersect

Array_intersect php

<?php
$a1 = array("a"=>"red", "b"=>"green", "c"=>"blue", "d"=>"yellow");
$a2 = array("e"=>"red", "f"=>"green", "g"=>"blue");

$result = array_intersect($a1, $a2);
print_r($result); //Array ( [a] => red [b] => green [c] => blue )

Php get intersection of two 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);

Php array_intersect

PHP function array_intersect(array $array1, array $array2, array ...$_) int[]
-----------------------------------------------------------------------------
Computes the intersection of arrays
  
Parameters:
array--$array1--The array with main values to check.
array--$array2--An array to compare values against.
array--...$_--[optional]
Returns: an array containing all of the values in array1 whose values exist in all of the parameters.

Source: php.net

Similar codes

3 votes326 views1 answer
Laravel check if array is empty
PHP
0 vote345 views1 answer
Retrieve data from database xampp
PHP
0 vote342 views2 answers
Create file in laravel
PHP
0 vote454 views1 answer
Yii2 OAuth2
PHP Yii
0 vote359 views1 answer
Current time input field in laravel form
PHP
11 votes349 views5 answers
Php default timezone
PHP
2 votes380 views2 answers
Laravel/ui for laravel 7
PHP Laravel
6 votes349 views1 answer
Php convert print_r to array
PHP
-1 vote339 views2 answers
Restart php service windows
PHP
2 votes413 views2 answers
Increase memory laravel controller
PHP Laravel