note 102788 added to tutorial.useful

I think should use "!==" in this sample after php4. 我觉得对php4以后的版本来说，在这个例子里面应该用 "!=="。 ---- Server IP: 69.147.83.197 Probable Submitter: 218.2.103.89 ---- Manual Page -- http://www.php.net/manual/en/tutorial.useful.php Edit -- https://master.php.net/note/edit/102788 Del: integrated -- https://master.php.net/note/delete/102788/integrated Del: useless -- https://master.php.net/note/delete/102788/useless Del: bad code -- https://master.php.net/note/delete/102788/bad+code Del: spam -- https://master.php.net/note/delete/102788/spam Del: non-english -- https://master.php.net/note/delete/102788/non-english Del: in docs -- https://master.php.net/note/delete/102788/in+docs Del: other reasons-- https://master.php.net/note/delete/102788 Reject -- https://master.php.net/note/reject/102788 Search -- https://master.php.net/manage/user-notes.php