I'm trying to add element in an array dynamically.
Here's my code:
$tasks = [];
$task = [
'title' => 'task title',
'description' => 'task description'
];
array_push($tasks, $task);
When I'm doing that task is added in an array, but when I copy task variable and change its content I expect to update an array, instead previously added task is replaced.
Arrays aren't passed by reference in PHP, only objects are.
You may want to use a reference:
$tasks = [];
$task = [
'title' => 'task title',
'description' => 'task description'
];
$tasks[] = &$task;
$task['title'] = 'Modified';
var_dump($tasks);
array(1) {
[0] =>
array(2) {
'title' =>
string(8) "Modified"
'description' =>
string(16) "task description"
}
}
Beware though that references are a feature of their own and don't behave exactly as object-passing does. If you need this behaviour, I strongly recommend you to switch to objects.
$tasks = [];
class Task
{
public function __construct(
public string $title,
public string $description
) {
}
}
$task = new Task('task title','task description');
$tasks[] = $task;
$task->title = 'Modified';
var_dump($tasks);
array(1) {
[0] =>
class Task#1 (2) {
public string $title =>
string(8) "Modified"
public string $description =>
string(16) "task description"
}
}
just use the built in push using []
$tasks = [];
$tasks[] = [
'title' => 'task title',
'description' => 'task description'
];
