I have a class with method add() that accepts strings and arrays. I need to have an array with all users, but I cannot seem to get it. All I get is multiple arrays with all users. How could I merge those arrays into one?
class Users {
function add($stringOrArray) {
$arr = array();
if(is_array($stringOrArray)) {
$arr = $stringOrArray;
} else if(is_string($stringOrArray)) {
$arr[] = $stringOrArray;
} else {
echo('errrrror');
}
print_r($arr);
}
When I use this test:
public function testOne() {
$users = new Users();
$users->add('Terrell Irving');
$users->add('Magdalen Sara Tanner');
$users->add('Chad Niles');
$users->add(['Mervin Spearing', 'Dean Willoughby', 'David Prescott']);
This is what I get, multiple arrays but I need one array.
Array
(
[0] => Terrell Irving
)
Array
(
[0] => Magdalen Sara Tanner
)
Array
(
[0] => Chad Niles
)
Array
(
[0] => Mervin Spearing
[1] => Dean Willoughby
[2] => David Prescott
)
>Solution :
All you need is to store the added users in a class property, for example $listOfUsers.
If adding the array you use the array_merge() function otherwise just add new user at the end of indexed array.
<?php
class Users {
// here will be all the users stored
public $listOfUsers = array();
function add($stringOrArray) {
//$arr = array();
if(is_array($stringOrArray)) {
// merge two arrays - could create duplicate records
$this->listOfUsers = array_merge($this->listOfUsers, $stringOrArray);
} else if(is_string($stringOrArray)) {
// simply add new item into the array
$this->listOfUsers[] = $stringOrArray;
} else {
echo('errrrror');
}
print_r($this->listOfUsers);
}
}
In your example you are storing the data locally within the method add() and it is not kept for future usage. This behavior is corrected using the class property $listOfUsers that can be accesed using $this->listOfUsers within the class object and if needed outside of the class.