I've come across something I don't see very often today: a global static function.<BR><BR>Could someone please enlighten me as to the difference between a static and normal global function? My ...

PHP has hundreds of built-in functions that can be used to accomplish specific tasks. Avoid rewriting code whenever possible. HTML tags can be written directly from within functions.

The MySQL SUM function takes the fields or rows you input and adds their values together, then returns the total. Save your query in a PHP variable.