What does {0} mean in a PHP statement?

almadmozel

New Member
Apols if this has been asked before. I am using someone else's PHP code and came across the following line:\[code\]if($_GET['file']{0}=='.') die('Wrong file!');\[/code\]The if, $_GET and die I understand, but what is the meaning of the {0} after the $_GET['file']? I've looked through a number of tutorials and didn't come across the answer.TIA.
 
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