syntax question

From: Date: Thu, 06 Mar 2003 09:18:32 +0000
Subject: syntax question
Groups: php.general 
Request: Send a blank email to php-general+get-138435@lists.php.net to get a copy of this message
I'm looking through some existing code for a project I'm working on, but I keep running into this syntax that I really don't understand. Here's an example: $a=strpos($a,'-')?explode('-',$a,2):array($a); What do the ? and the : do here? I'm seeing this sort of thing all over and just have no idea what ? : do. Thanks.

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