M.Sokolewicz wrote:
Basically what you can remember here is:
:: calls a property or method in a STATIC context (ie. without access
to the object's (if any) actual properties)
-> calls a propert or method in a DYNAMIC context (ie. WITH access to
that specific object's collection of methods and properties).
While that's generally true, self::, parent::, ClassName:: and
ParentClassName:: can all be used in both contexts when calling methods.
Consider the following code:
<?php
class Foo {
function bar() { var_dump(isset($this)); }
}
class Test extends Foo {
function __construct()
{
self::bar();
parent::bar();
Foo::bar();
Test::bar();
}
}
new Test;
?>
At first glance these all appear to be static method calls, but $this is
available in every case.
Arpad
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