problem with if statement used to determine function return

Posted by Patrick on Stack Overflow See other posts from Stack Overflow or by Patrick
Published on 2009-12-03T22:33:12Z Indexed on 2010/04/07 1:23 UTC
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Im using an if statement to determine what to return in a function, but it seems to be not working the way i want it to.

function DoThis($dogs, $cats){
// do something with dogs, pet them perhaps.

$reg = $dogs[0];
$nate = $dogs[1];

if($cats = "dave"){return $reg;}
if($cats = "tom"){return $nate;}

}

$cats is a string (if that helps), and when entered it doesn't yield any return. If i manually set a return, that works, but the above doesnt for some reason.

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