Assign class property in one function and use it in another function in php

Question

Please consider this class, I have an html page with two forms, first i submit form1 and after that I submit second one. I change $aaa value in first function but after submitting second form, it show empty array and lost assigned value in func1.
I want to access func1 assigned value in func2.

class Myclass
{
    private $aaa = array();

    public function func1() {
        $this->aaa= [1, 2, 3];
    }

    public function func2() {
        var_dump($this->aaa);
    }
}

In the HTML file:

<form action=" FUNC1 " method="post" id="form1">
    <button type="submit">FUNC1</button>
</form>

<form action=" FUNC2 " method="post" id="form2">
    <button type="submit">FUNC2</button>
</form>

php is stateless, it won't automatically maintain data between form posts. You have to find a way to maintain application state yourself, by saving data to a database, a session, or passing it back and forth with the client. — Mark H.
– Mark H., Commented Sep 30, 2016 at 20:30
as Mark H. said, as PHP is stateless when you load the controller again for the second form you will lose the values. I would suggest using func1() to save the data to the session if you are working with sessions. — bos570
– bos570, Commented Sep 30, 2016 at 20:34
What is the best way to pass an array? Is session a good way? — Mehdi Rahimi
– Mehdi Rahimi, Commented Sep 30, 2016 at 20:35
Session is a good way. There isn't just one "best" way, though. — Don't Panic
– Don't Panic, Commented Sep 30, 2016 at 20:43

Jaquarh · Accepted Answer · 2016-10-02 09:19:20Z

1

class MyClass
{

public function __construct(
    $closure
) {
    $this->aaa = $closure();
}

public function func1() ....

You can now hold your data inside a session individual to that users browser

session_start();
$myClass = new MyClass(function () use($_SESSION) { if(isset($_SESSION['index_here'])) { return $_SESSION['index_here']; } });

Then the same when appending or changing the object property aaa - update the session

edited Oct 2, 2016 at 9:19

answered Sep 30, 2016 at 22:37

Jaquarh

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