Re: Session and header() errrors

You can't send any output before the session_start() call. You require a file which outputs html before calling session_start(). Simply do the session_start() before the require and it should work. -Rasmus On Thu, 4 Oct 2001, Web user wrote: > Why do the errors occur while running the scripts below? It seems that the > errors occured at the part of session and header(). Please give me some > advice! > Thank you! > > Mike > > System: PHP4.06 + Apache 1.3.20 Win32 + Win98 (the session configurations > are default in php.ini) > > when the 1.php is running, the IE shows errors info as below : > ----------------- > Warning: Cannot send session cookie - headers already sent by (output > started at c:\program files\apache group\apache\htdocs\web1\html-head.inc:9) > in c:\program files\apache group\apache\htdocs\web1\1.php on line 3 > > Warning: Cannot send session cache limiter - headers already sent (output > started at c:\program files\apache group\apache\htdocs\web1\html-head.inc:9) > in c:\program files\apache group\apache\htdocs\web1\1.php on line 3 > > Warning: open(/tmp\sess_96ae897bcb501486860552d2df862863, O_RDWR) failed: m > (2) in c:\program files\apache group\apache\htdocs\web1\1.php on line 3 > session_id: 96ae897bcb501486860552d2df862863 > > > Warning: Cannot add header information - headers already sent by (output > started at c:\program files\apache group\apache\htdocs\web1\html-head.inc:9) > in c:\program files\apache group\apache\htdocs\web1\1.php on line 9 > > ------------- > The scripts of 1.php: (1.php and 2.php are under the same base directory) > <? > require("html-head.inc"); > session_start(); > $name="user"; > session_register("name"); > echo "session_id: ".session_id()."<br>"; > sleep(10); > header("Location: 2.php"); > require("html-foot.inc"); > ?> > > ----- > The scripts of html-head.inc: > <html> > <head> > <meta http-equiv="Content-Type" content="text/html; > charset=ISO-8859-1"> > <title>page title</title> > </head> > <body> > > ----- > The scripts of html-foot.inc: > </body> > </html> > > > > > > > > > >