ohdang888 Posted January 15, 2008 Share Posted January 15, 2008 if (isset($_POST['submit'])) ?????? whats that do????? Link to comment https://forums.phpfreaks.com/topic/86052-solved-what-does-this-do/ Share on other sites More sharing options...
KrisNz Posted January 15, 2008 Share Posted January 15, 2008 isset is for testing whether a variable is set or not (surprise, surprise!). It stops php from trying to access non existent variables. Link to comment https://forums.phpfreaks.com/topic/86052-solved-what-does-this-do/#findComment-439452 Share on other sites More sharing options...
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