On 03 May 2007 16:22, OKi98 wrote: > Hi, > > one more question. > > Why the variable, that contains NULL value appears to be not > set. Ummmm -- because that's how it's defined?? (http://php.net/isset) Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, JG125, The Headingley Library, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: m.ford@xxxxxxxxxxxxxx Tel: +44 113 812 4730 Fax: +44 113 812 3211 To view the terms under which this email is distributed, please go to http://disclaimer.leedsmet.ac.uk/email.htm