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Possible Duplicate:
What does the variable $this mean in PHP?
I know this is extremely basic. I am watching tutorials on YouTube about CakePHP and PHP and all of them keep using “$this”, but none of them actually say what it is or what it is used for. I think it is a variable, but what does it contain, and why do all of the functions have to be run from it? Is it the current class? I read here that “$this” is different from self though, so I am not sure if this is the case.
if used in a class,
$thisrefers to the object that it’s in.