// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.

package utils

func StringArrayIntersection(arr1, arr2 []string) []string {
	arrMap := map[string]bool{}
	result := []string{}

	for _, value := range arr1 {
		arrMap[value] = true
	}

	for _, value := range arr2 {
		if arrMap[value] {
			result = append(result, value)
		}
	}

	return result
}