Sprout Posted July 7, 2010 Share Posted July 7, 2010 I know this is probably an extremely basic question, but I just don't understand it. None of the tutorials I've taken have explained it. So if anyone knows when/why you use exclamation points then I'd appreciate it. Example: if (!$variable) Quote Link to comment https://forums.phpfreaks.com/topic/207078-when-and-why-are-used/ Share on other sites More sharing options...
Pikachu2000 Posted July 7, 2010 Share Posted July 7, 2010 It means 'not'. != not equal !isset() not isset, etc. Quote Link to comment https://forums.phpfreaks.com/topic/207078-when-and-why-are-used/#findComment-1082780 Share on other sites More sharing options...
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