CodingForums.com - View Single Post - Why Does ' ' Work Better Than NULL in This Code?

tangoforce · 10-07-2011, 11:15 PM

You're telling it to test to see if the variable is nothing yes. It's pretty much the opposite of using the isset() function as far as I know.

There may be better definitions out there but my explanation is the basic principle of it all.

10-07-2011, 11:15 PM	PM User \| #11
tangoforce Senior Coder Join Date: Feb 2011 Location: Your Monitor Posts: 3,665 Thanks: 45 Thanked 456 Times in 444 Posts	You're telling it to test to see if the variable is nothing yes. It's pretty much the opposite of using the isset() function as far as I know. There may be better definitions out there but my explanation is the basic principle of it all. __________________ Please don't be rude: Put your php code in [php][/php] tags. It is a sticky topic at the top of the forum and it HELPS us to HELP YOU! TIP: Coding styles and $end errors :::::::::: TIP: Warning: Cannot modify header information - headers already sent :::::::::: TIP: Quotes / Parse error: syntax error, unexpected T_.. PHP Code: `//Please don't use this for your form processing: if (isset($_POST['submit'])) //Internet explorer has a bug and does not always send the submit value.` Explanation: The IE if(isset($_POST['submit'])) bug explained.