jd2007 Posted July 14, 2007 Share Posted July 14, 2007 What does thisfunction do isset() function ? Link to comment https://forums.phpfreaks.com/topic/59912-php-functions-help/ Share on other sites More sharing options...
keeB Posted July 14, 2007 Share Posted July 14, 2007 http://php.net/isset Checks to see if a variable is set or != NULL Link to comment https://forums.phpfreaks.com/topic/59912-php-functions-help/#findComment-297944 Share on other sites More sharing options...
rcorlew Posted July 14, 2007 Share Posted July 14, 2007 You might want to be careful about that function, sometimes it will be better to check this way: if(!empty($variable)) or if(empty($variable)), just a small pointer Link to comment https://forums.phpfreaks.com/topic/59912-php-functions-help/#findComment-297950 Share on other sites More sharing options...
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