separated string by comas

From: Date: Mon, 22 Jul 2002 06:56:33 +0000
Subject: separated string by comas
Groups: php.general 
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I have a string that is separated by spaces like this $string="test test1 test2 test3"; how can I make the string so it is separated by comas like this $string="test,test1,test2,test3"; I know this is probably simple but I just can't figure it out -- Best regards, rdkurth mailto:rdkurth@starband.net

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