What does "static::function()" mean?

Question

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static::staticFunctionName()

What does the keyword static mean when it is placed just before a function call? In the place of a class name.

Like this:

static::createKernel();

It does [late static binding](http://php.net/manual/en/language.oop5.late-static-bindings.php). The documentation page has examples which are short and to the point. — Jon, Sep 20 '11 at 16:42

score 6 · Answer 1 · answered Sep 20 '11 at 16:42

6

It's a way of calling a Late Static Binding. I can't do a better job describing it than the PHP manual itself.

answered Sep 20 '11 at 16:42

zzzzBov

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score 1 · Answer 2 · answered Sep 20 '11 at 16:44

It has almost the same meaning as self but instead in references the actual class, instead of the class from which the code is found. Example from php.net:

<?php 

class A { 
    const C = 'constA'; 
    public function m() { 
        echo static::C; 
    } 
} 

class B extends A { 
    const C = 'constB'; 
} 

$b = new B(); 
$b->m(); 

// output: constB 
?>

What does "static::function()" mean?

2 Answers2