Another question is this. The "&" in wsstrip(&$str). Does that mean that it takes the input to the function as Global and changes it Globally? I am assuming that because that is what the whole function seems to do for me.
No, it means that it passes a reference to the variable rather than the value. In other words, any changes made to the variable in the function will change the variable passed in too. See http://us2.php.net/references
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