| re: session_start failure
According to Vulcan logic - or learning thereof - kingofkolt wrote:
[color=blue]
> Florence --
>
> session_start() sends a cookie to the browser. A cookie is sent via the
> headers, which have to be sent to the browser BEFORE anything else (such
> as HTML) is sent. Attempting to set a cookie after you have already output
> HTML (the HTML you had output was "<html>" and "<head>") will result in an
> error. You have to move the session_start() command to the very beginnning
> of your PHP page. So your code should be changed to look like this:
>
> <?php session_start();
> $id = session_id();
> $_SESSION['color'] = 'green'; ?>
> <html>
> <head>
> <title>PHP test</title>
> </head>
> <body>
> this is my ID : <?php echo $id; ?>
> <br />
> these are my data : <?php print_r($_SESSION); ?>
> </body>
> </html>
>
> "Florence HENRY" <raslebol@duspam.fr> wrote in message
> news:c4cdas$p4r$1@carbone.net.espci.fr...[color=green]
>> Hello,
>>
>> I've searched about my problem on google before posting, but I didn't
>> find anything relevant...
>>
>> I have a problem with session_start. Here is my code :
>>
>> <html>
>> <head>
>> <?php session_start();
>> $id = session_id();
>> $_SESSION['color'] = 'green'; ?>
>> <title>PHP test</title>
>> </head>
>> <body>
>> this is my ID : <?php echo $id; ?>
>> <br />
>> these are my data : <?php print_r($_SESSION); ?>
>> </body>
>> </html>
>>
>> the value printed by "echo $id" or "echo session_id()" is empty!
>> As I use post or get to transmit the session id, my scripts don't work.
>>
>> The reason may be in the log. Here are the messages I get when I try to
>> execute the code above :
>>
>> [Tue Mar 30 18:12:02 2004] [error] PHP Warning: session_start(): The
>> session id contains invalid characters, valid characters are only a-z,
>> A-Z and 0-9 in /home/www/session.php on line 3
>> [Tue Mar 30 18:12:02 2004] [error] PHP Warning: Unknown(): The session
>> [id
>> contains invalid characters, valid characters are only a-z, A-Z and 0-9
>> in Unknown on line 0
>> [Tue Mar 30 18:12:02 2004] [error] PHP Warning: Unknown(): Failed to[/color]
> write[color=green]
>> session data (files). Please verify that the current setting of
>> session.save_path is correct (/tmp) in Unknown on line 0
>>
>> How can the session id contain invalid characters, as it is PHP who[/color]
> decides[color=green]
>> it!
>>
>> I read many times the doc, I do not understand where I'm wrong...
>>
>> Thanks for any tip.
>>
>> --
>> Florence HENRY
>> florence point henry arobasse obspm point fr[/color][/color]
Damn, I should have seen that. I was looking at it, but didn't see the
obvious.
/Andreas
--
Peace and long life ...
Registeret Linux user #292411
| 
