Re: [dcphp-dev] PHP self:: vs static::

You need to check out this page. For PHP 5.3+

If I understand correctly static:: will refer to the last called class whereas self:: always refers to self. Check out this example (based on yours):

<?php
error_reporting(E_ALL);

Class Thing
{
    const PRIMARY_KEY = 'key';

    public function keys()
    {
        $x = self::PRIMARY_KEY;
        $y = static::PRIMARY_KEY;
        return $x . $y;
    }
}

class Thing2 extends Thing
{
    const PRIMARY_KEY = 'key2';
   
}

$thing = new Thing;
var_dump($thing->keys());

$thing2 = new Thing2();
var_dump($thing2->keys());

And that outputs:
string(6) "keykey"
string(7) "keykey2"

Make sense?

On Sun, Oct 12, 2014 at 4:32 PM, Ray <ray.paseur@gmail.com> wrote:

In this code snippet, I get output that says "keykey"

What is the difference between the meanings of static:: and self:: in
this or any other context.  Any man page reference would be gratefully
received!

<?php
error_reporting(E_ALL);

Class Thing
{
    const PRIMARY_KEY = 'key';

    public function keys()
    {
        $x = self::PRIMARY_KEY;
        $y = static::PRIMARY_KEY;
        return $x . $y;
    }
}

$thing = new Thing;
var_dump($thing->keys());

Thanks and regards, Ray

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