note 74293 added to tutorial.useful

Hmm. Maybe skip my previous comment (which hasn't yet appeared, but was about "!= FALSE"). The link documenting the function explains things as well as possible and on reflection it's probably useful to have that as soon as possible so people can see exactly what they're buying into. ---- Server IP: 69.147.83.197 Probable Submitter: 200.120.169.16 ---- Manual Page -- http://www.php.net/manual/en/tutorial.useful.php Edit -- https://master.php.net/note/edit/74293 Del: integrated -- https://master.php.net/note/delete/74293/integrated Del: useless -- https://master.php.net/note/delete/74293/useless Del: bad code -- https://master.php.net/note/delete/74293/bad+code Del: spam -- https://master.php.net/note/delete/74293/spam Del: non-english -- https://master.php.net/note/delete/74293/non-english Del: in docs -- https://master.php.net/note/delete/74293/in+docs Del: other reasons-- https://master.php.net/note/delete/74293 Reject -- https://master.php.net/note/reject/74293 Search -- https://master.php.net/manage/user-notes.php