Redefining PHP function?

Posted by Michael on Stack Overflow See other posts from Stack Overflow or by Michael
Published on 2010-04-14T20:54:34Z Indexed on 2010/04/14 21:03 UTC
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If I have a function:

function this($a){
return $a;
}

If I wanted to redefine the function, would it be as simple as rewriting it?

function this($a, $b){  //New this function
return $a * $b;
}

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