Question

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Reference – What does this symbol mean in PHP?

I’ve come accross this notation in PHP magento ‘Mage::run()’.

What does :: mean? Can’t seem to find a simple explanation anywhere.

Answer 1

It allows you to call a static function/method in a class, without making an instance of the class:

class myClass{

static function myFunction(){
echo"foo";
}
}

now call it like this with ::

myClass::myFunction;

with a public function, you would have to make an instance:

$mycalssinstance= new myCalss;
//then call it
$mycalssfunction=$mycalssinstance->myFunction();