[PHP-DB] Sessions help needed !!!
Hi there everyone, OK this script worked perfectly on my own apache webserver and I had to move it to the main live server, but for some reason it's not passing session values in the same way and i'm positive it's something damn obvious. On my server I can use: echo $credits_system; echo $credits_left; echo $foldername; To display the information to make sure it is being passed, but it returns blank on their server (Same versions of everything except I didn't install it so it may have something turned off in the config - which i don't have control over, sigh). The thing is, the last one - $foldername I MUST have access to as the database uses this as a reference for searches and without this working I can't pull the data I need ($foldername is an ID and also refers to physical folders/directories on the apache webserver for video files). Is there some obvious that I can check to see what's going on that I can't think about right now? Any help or pointers would be really appreciated. Chris
Re: [PHP-DB] Sessions help needed !!!
Well, not much to go on, but I'd check variable scope, and register-globals. The latter being more likely as I can't see how the scope would change if you're just copying things over. -Micah On Friday 17 February 2006 2:18 pm, Chris Payne wrote: Hi there everyone, OK this script worked perfectly on my own apache webserver and I had to move it to the main live server, but for some reason it's not passing session values in the same way and i'm positive it's something damn obvious. On my server I can use: echo $credits_system; echo $credits_left; echo $foldername; To display the information to make sure it is being passed, but it returns blank on their server (Same versions of everything except I didn't install it so it may have something turned off in the config - which i don't have control over, sigh). The thing is, the last one - $foldername I MUST have access to as the database uses this as a reference for searches and without this working I can't pull the data I need ($foldername is an ID and also refers to physical folders/directories on the apache webserver for video files). Is there some obvious that I can check to see what's going on that I can't think about right now? Any help or pointers would be really appreciated. Chris -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] sessions
I am attempting to get information from a mysql database and then use this in a session. Is there a trick to using sessions? For example, can something like below be placed anywhere in a script? (I have the session_start(); at the very top of my page.) session_register( session_username ); session_register( session_level ); $session_username = $username; $session_level = $account_level; The resulting session is session_username|N;session_level|i:0; $username is set to warren and $account_level is set to 255. Any help would be greatly appreciated as I have gone through about 5 books and searched the net and can't find an answer as to why this isn't working. - This message is intended for the addressee named and may contain confidential information. If you are not the intended recipient, please delete it and notify the sender. Views expressed in this message are those of the individual sender and are not necessarily the views of the Mid Western Area Health Service. - gwavasig -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] sessions
try using the $_SESSION superglobal var (google is your friend if its new to you.) no need to register (still need to do session_start() though) just do... $_SESSION['MyValue'] = array( 'name' = $username, 'level' = $account_level ); ...or something like that. (also works for objects - which is only gets really cool in php5 - be aware that classes for objects stored in your session should be loaded BEFORE you start the session.) Warren Mason wrote: I am attempting to get information from a mysql database and then use this in a session. Is there a trick to using sessions? For example, can something like below be placed anywhere in a script? (I have the session_start(); at the very top of my page.) session_register( session_username ); session_register( session_level ); $session_username = $username; $session_level = $account_level; The resulting session is session_username|N;session_level|i:0; $username is set to warren and $account_level is set to 255. Any help would be greatly appreciated as I have gone through about 5 books and searched the net and can't find an answer as to why this isn't working. - This message is intended for the addressee named and may contain confidential information. If you are not the intended recipient, please delete it and notify the sender. Views expressed in this message are those of the individual sender and are not necessarily the views of the Mid Western Area Health Service. - gwavasig -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] sessions
Thanks to everyone that replied. All working great now thanks. Warren Jochem Maas [EMAIL PROTECTED] 10/12/2004 2:47:28 pm try using the $_SESSION superglobal var (google is your friend if its new to you.) no need to register (still need to do session_start() though) just do... $_SESSION['MyValue'] = array( 'name' = $username, 'level' = $account_level ); ...or something like that. (also works for objects - which is only gets really cool in php5 - be aware that classes for objects stored in your session should be loaded BEFORE you start the session.) Warren Mason wrote: I am attempting to get information from a mysql database and then use this in a session. Is there a trick to using sessions? For example, can something like below be placed anywhere in a script? (I have the session_start(); at the very top of my page.) session_register( session_username ); session_register( session_level ); $session_username = $username; $session_level = $account_level; The resulting session is session_username|N;session_level|i:0; $username is set to warren and $account_level is set to 255. Any help would be greatly appreciated as I have gone through about 5 books and searched the net and can't find an answer as to why this isn't working. - This message is intended for the addressee named and may contain confidential information. If you are not the intended recipient, please delete it and notify the sender. Views expressed in this message are those of the individual sender and are not necessarily the views of the Mid Western Area Health Service. - gwavasig -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] Sessions, Cookies and other
Hi there, I have a script where the administrator of the site can add / edit / delete records. Here's how its works: basically the admin selects a user from a drop down menu and hits submit. This goes to a page where it queries the DB and returns some basic info - name, email address and so on. For example: You selected Jim Shoe - his email address is [EMAIL PROTECTED] The problem I am having is when the user returns to this hub page from editing a record or adding record it comes back blank. How can I get to show the information again? Are sessions and cookies the answer? Any insight on how to do this is appreciated. Thanks Craig __ Craig Hoffman - eClimb Media v: (847) 644 - 8914 f: (847) 866 - 1946 e: [EMAIL PROTECTED] w: www.eclimb.net _ -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] Sessions and input form
Dear Aleks: What I usually do for a situation like this is... 1) User fills out form and data is INSERTed into the table. If you use auto_increment for the row id, use PHP's mysql_insert_id to get the id and use this for step 2. 2) Page confirms data by SELECTing the data from the MySQL table and inserting it into the form. 3) If the user makes changes, it is UPDATEd in the MySQL table. I hope this is clear. Good luck, Jeffrey Baumgartner Hi all, I have a form that when populated and submitted is entered into a MySQL dB. What I would like to do is be able to present the submitter with a confirmation page listing the information from the form and then ask them to confirm their submission. Also, if there is a problem or want to change something, they can use the browser back button to go to the previous page and make corrections. At first I thought that using Sessions to add the form values would allow this to work.. I have gone threw this twice since last night and find that my logic is flawed... It works once... then when another submissions is attempted the process hangs and returns a CGI timeout. I am by no means a newbie but obviously I am not doing something right with regards to session use. So I ask you more knowledgeable then I for your input and advise. In hind sight I think my problem is that once the information is confirmed and supposed to be entered into the dB I am not destroying the session... Like I said, I think my approach is all wrong here. I already have a login routine that uses sessions and works flawlessly..[at least in appearance]. Any help would be very much appreciated. TYIA Aleks -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP-DB] Sessions and input form
Dear Jeffrey, Yes that is clear thank you... I have used this technique in the past But wanted to give sessions a try. I did manage to get it working. Seems That typing code at midnight can lead to frustrating and volatile results.. Thanks again for your response... Aleks -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Monday, November 24, 2003 12:30 PM To: [EMAIL PROTECTED] Subject: Re: [PHP-DB] Sessions and input form Dear Aleks: What I usually do for a situation like this is... 1) User fills out form and data is INSERTed into the table. If you use auto_increment for the row id, use PHP's mysql_insert_id to get the id and use this for step 2. 2) Page confirms data by SELECTing the data from the MySQL table and inserting it into the form. 3) If the user makes changes, it is UPDATEd in the MySQL table. I hope this is clear. Good luck, Jeffrey Baumgartner Hi all, I have a form that when populated and submitted is entered into a MySQL dB. What I would like to do is be able to present the submitter with a confirmation page listing the information from the form and then ask them to confirm their submission. Also, if there is a problem or want to change something, they can use the browser back button to go to the previous page and make corrections. At first I thought that using Sessions to add the form values would allow this to work.. I have gone threw this twice since last night and find that my logic is flawed... It works once... then when another submissions is attempted the process hangs and returns a CGI timeout. I am by no means a newbie but obviously I am not doing something right with regards to session use. So I ask you more knowledgeable then I for your input and advise. In hind sight I think my problem is that once the information is confirmed and supposed to be entered into the dB I am not destroying the session... Like I said, I think my approach is all wrong here. I already have a login routine that uses sessions and works flawlessly..[at least in appearance]. Any help would be very much appreciated. TYIA Aleks -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] Sessions and input form
Hi all, I have a form that when populated and submitted is entered into a MySQL dB. What I would like to do is be able to present the submitter with a confirmation page listing the information from the form and then ask them to confirm their submission. Also, if there is a problem or want to change something, they can use the browser back button to go to the previous page and make corrections. At first I thought that using Sessions to add the form values would allow this to work.. I have gone threw this twice since last night and find that my logic is flawed... It works once... then when another submissions is attempted the process hangs and returns a CGI timeout. I am by no means a newbie but obviously I am not doing something right with regards to session use. So I ask you more knowledgeable then I for your input and advise. In hind sight I think my problem is that once the information is confirmed and supposed to be entered into the dB I am not destroying the session... Like I said, I think my approach is all wrong here. I already have a login routine that uses sessions and works flawlessly..[at least in appearance]. Any help would be very much appreciated. TYIA Aleks -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] Sessions and MySQL?
Not sure if this is a MySQL Q. or a PHP one, but here goes...
I'm just learning sessions...
And I'm trying to add a session variable to a MySQL database.
I've done this page that takes the results from a previous form...
But I get this error:
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or
`T_NUM_STRING'
On line 83
Which is the line that relates to the line:
\$_SESSION['salutation'];\,
I've tried removing the ';' but it change nothing...?
Can anyone see my error?
=
?
session_start();
header(Cache-control: private);
$_SESSION['salutation'] = $_POST['salutation'];
//MySQL connection stuff
mysql_query(INSERT INTO $table (
salutation,
name,
city
} VALUES {
\$_SESSION['salutation'];\,
\$_SESSION['name'];\,
\$_SESSION['city'];\
}
?
//Rest of page... thanks etc...
=
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If the reader of this message is not the intended recipient or an agent
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Re: [PHP-DB] Sessions and MySQL?
From: [EMAIL PROTECTED]
And I'm trying to add a session variable to a MySQL database.
I've done this page that takes the results from a previous form...
But I get this error:
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or
`T_NUM_STRING'
On line 83
Which is the line that relates to the line:
\$_SESSION['salutation'];\,
I've tried removing the ';' but it change nothing...?
Can anyone see my error?
=
?
session_start();
header(Cache-control: private);
$_SESSION['salutation'] = $_POST['salutation'];
//MySQL connection stuff
mysql_query(INSERT INTO $table (
salutation,
name,
city
} VALUES {
\$_SESSION['salutation'];\,
\{$_SESSION['salutation']}\,
\$_SESSION['name'];\,
\{$_SESSION['name']}\,
\$_SESSION['city'];\
\{$_SESSION['city']\,
}
---John Holmes...
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RE: [PHP-DB] Sessions and MySQL?
In addition to what John suggested, I see you have switched from parens to
curly braces when you close your list of columns and list of values. AFAIK,
you need to use parens to contain those lists.
-Original Message-
From: CPT John W. Holmes [mailto:[EMAIL PROTECTED]
Sent: Thursday, October 16, 2003 9:08 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: [PHP-DB] Sessions and MySQL?
From: [EMAIL PROTECTED]
And I'm trying to add a session variable to a MySQL database.
I've done this page that takes the results from a previous form...
But I get this error:
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or
`T_NUM_STRING'
On line 83
Which is the line that relates to the line:
\$_SESSION['salutation'];\,
I've tried removing the ';' but it change nothing...?
Can anyone see my error?
=
?
session_start();
header(Cache-control: private);
$_SESSION['salutation'] = $_POST['salutation'];
//MySQL connection stuff
mysql_query(INSERT INTO $table (
salutation,
name,
city
} VALUES {
\$_SESSION['salutation'];\,
\{$_SESSION['salutation']}\,
\$_SESSION['name'];\,
\{$_SESSION['name']}\,
\$_SESSION['city'];\
\{$_SESSION['city']\,
}
---John Holmes...
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RE: [PHP-DB] Sessions and MySQL?
Try this instead:
mysql_query(INSERT INTO $table (
salutation,
name,
city
} VALUES {
\.$_SESSION['salutation'].\,
\.$_SESSION['name'].\,
\.$_SESSION['city'].\
}
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Sent: 16 October 2003 13:33
To: [EMAIL PROTECTED]
Subject: [PHP-DB] Sessions and MySQL?
Not sure if this is a MySQL Q. or a PHP one, but here goes...
I'm just learning sessions...
And I'm trying to add a session variable to a MySQL database.
I've done this page that takes the results from a previous form...
But I get this error:
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or
`T_NUM_STRING'
On line 83
Which is the line that relates to the line:
\$_SESSION['salutation'];\,
I've tried removing the ';' but it change nothing...?
Can anyone see my error?
=
?
session_start();
header(Cache-control: private);
$_SESSION['salutation'] = $_POST['salutation'];
//MySQL connection stuff
mysql_query(INSERT INTO $table (
salutation,
name,
city
} VALUES {
\$_SESSION['salutation'];\,
\$_SESSION['name'];\,
\$_SESSION['city'];\
}
?
//Rest of page... thanks etc...
=
*
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RE: [PHP-DB] Sessions and MySQL?
Eeek, didn't notice your brackets. They're a bit messed up as well.
mysql_query(INSERT INTO $table (salutation, name, city)
VALUES (\.$_SESSION['salutation'].\, \.$_SESSION['name'].\,
\.$_SESSION['city'].\););
This MIGHT work :-)
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
Sent: 16 October 2003 13:33
To: [EMAIL PROTECTED]
Subject: [PHP-DB] Sessions and MySQL?
Not sure if this is a MySQL Q. or a PHP one, but here goes...
I'm just learning sessions...
And I'm trying to add a session variable to a MySQL database.
I've done this page that takes the results from a previous form...
But I get this error:
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or
`T_NUM_STRING'
On line 83
Which is the line that relates to the line:
\$_SESSION['salutation'];\,
I've tried removing the ';' but it change nothing...?
Can anyone see my error?
=
?
session_start();
header(Cache-control: private);
$_SESSION['salutation'] = $_POST['salutation'];
//MySQL connection stuff
mysql_query(INSERT INTO $table (
salutation,
name,
city
} VALUES {
\$_SESSION['salutation'];\,
\$_SESSION['name'];\,
\$_SESSION['city'];\
}
?
//Rest of page... thanks etc...
=
*
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the personal and confidential use of the recipient(s) named above.
If the reader of this message is not the intended recipient or an agent
responsible for delivering it to the intended recipient, you are hereby
notified that you have received this document in error and that any
review, dissemination, distribution, or copying of this message is
strictly prohibited. If you have received this communication in error,
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Re: [PHP-DB] Sessions and MySQL?
On Thu, 16 Oct 2003 13:33:28 +0100
[EMAIL PROTECTED] wrote:
Not sure if this is a MySQL Q. or a PHP one, but here goes...
I'm just learning sessions...
And I'm trying to add a session variable to a MySQL database.
I've done this page that takes the results from a previous form...
But I get this error:
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or
`T_NUM_STRING'
On line 83
Which is the line that relates to the line:
\$_SESSION['salutation'];\,
I've tried removing the ';' but it change nothing...?
Can anyone see my error?
Tristan,
yes, You are alternating between curly braces {} and parenethes ()
(spelling??). Also you forgot to the closing double quotes when
completeing the mysql_query statement.
You could also put the insert statement into a vairable and echo that to
the screen. That way if you can't see the error, paste the query text
into the mysql command line client.
See my alterations to you code below..
Regards
George Patterson
=
?
session_start();
header(Cache-control: private);
$_SESSION['salutation'] = $_POST['salutation'];
//MySQL connection stuff
mysql_query(INSERT INTO $table (
salutation,
name,
city
) VALUES (
\$_SESSION['salutation'];\,
\$_SESSION['name'];\,
\$_SESSION['city'];\
);
?
//Rest of page... thanks etc...
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Re: [PHP-DB] Sessions and MySQL?
Cheers to everyone...
the curly brackets was me not thinking after a boozy lunch, and trying to
recreate code, on an E-mail..
anyhoo...
I thought the best idea, and the simplest for me, was to remove the ' from
the session recall
Turning $_SESSION['salutation'] -- INTO -- $_SESSION[salutation]
Cheers all...
it's clear as day now...
aint it always the way eh?
Tris...
George Patterson [EMAIL PROTECTED] wrote on 16/10/2003 14:15:54:
On Thu, 16 Oct 2003 13:33:28 +0100
[EMAIL PROTECTED] wrote:
Not sure if this is a MySQL Q. or a PHP one, but here goes...
I'm just learning sessions...
And I'm trying to add a session variable to a MySQL database.
I've done this page that takes the results from a previous form...
But I get this error:
Parse error: parse error, expecting `T_STRING' or `T_VARIABLE' or
`T_NUM_STRING'
On line 83
Which is the line that relates to the line:
\$_SESSION['salutation'];\,
I've tried removing the ';' but it change nothing...?
Can anyone see my error?
Tristan,
yes, You are alternating between curly braces {} and parenethes ()
(spelling??). Also you forgot to the closing double quotes when
completeing the mysql_query statement.
You could also put the insert statement into a vairable and echo that to
the screen. That way if you can't see the error, paste the query text
into the mysql command line client.
See my alterations to you code below..
Regards
George Patterson
=
?
session_start();
header(Cache-control: private);
$_SESSION['salutation'] = $_POST['salutation'];
//MySQL connection stuff
mysql_query(INSERT INTO $table (
salutation,
name,
city
) VALUES (
\$_SESSION['salutation'];\,
\$_SESSION['name'];\,
\$_SESSION['city'];\
);
?
//Rest of page... thanks etc...
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To unsubscribe, visit: http://www.php.net/unsub.php
*
The information contained in this e-mail message is intended only for
the personal and confidential use of the recipient(s) named above.
If the reader of this message is not the intended recipient or an agent
responsible for delivering it to the intended recipient, you are hereby
notified that you have received this document in error and that any
review, dissemination, distribution, or copying of this message is
strictly prohibited. If you have received this communication in error,
please notify us immediately by e-mail, and delete the original message.
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[PHP-DB] Sessions help needed!
Hello all,
I am new to php in general and am trying to set up a user authentification system
with mysql. The registration page works well and sends all of the data to the
appropriate table in mysql. However, when I try to get the registered user to log in
and start a session, the system will not remember the session information past the
page. For instance, this page will not work (the one that initially is supposed to
register the session from the login form):
?
session_start();
$username=chris;
$database=login;
$login = $_POST['login'];
$password = $_POST['password'];
if((!$login) || (!$password)){
echo Please enter ALL of the information! br /;
include 'login.php';
exit();
}
mysql_connect(localhost,$username);
@mysql_select_db($database) or die( Unable to select database);
$sql=mysql_query(SELECT * FROM login WHERE login='$login' AND password='$password');
$login_check = mysql_num_rows($sql);
if($login_check 0){
// This is where I register the session
session_register('login');
$_SESSION['login'] = $login;
mysql_close();
include 'success.php';
} else {
echo You could not be logged in! Either the username and password do not match or
you have not validated your membership!br /
Please try again!br /;
include 'login.php';
}
?
It proceeds to login the user for that page (I know this happens because I have played
around with it looking at the error checks), but it will not display any variable that
resembles $_SESSION['login'].
The next page sequentially (success.php) looks like this:
?
session_start();
echo 'Successful login for $_SESSION['login']';
?
Any and all variations of this page come up blank and white whenever the variable
$_SESSION['login'] is called to display. It shows no memory of me registering a
session. Any variation of quotes verse apostrophes changes nothing, so I figure that
either I am blatantly screwing up the session code (possible for I have never written
any sessions before) or my system is not supporting sessions. I have a php4
something, windows, apache 1.3.27 for my home network server, and mysql. Any help on
this problem would be greatly appreciated.
Thanks a lot for your time, John
-
Do you Yahoo!?
SBC Yahoo! DSL - Now only $29.95 per month!
Re: [PHP-DB] SESSIONS
And also use $_POST[SUBMIT] or set register_globals On
You need to register you varible first with the session
-Original Message-
From: David Rice [mailto:[EMAIL PROTECTED]
Sent: Tuesday, February 25, 2003 3:10 PM
To: [EMAIL PROTECTED]
Subject: [PHP-DB] SESSIONS
Here's something i can't get working it won't go to the last clause of
this
page i don't think it can set the session variable
anyone see what im doing wrong? i need more caffeine to get my brain fired
up today lol..
===
? session_start();?
HTML
head
/head
body
? if ( !$SUBMIT ){ ?
form action=? echo $PHP_SELF; ? method=post name=TEST
input name=name type=text value=name size=20 maxlength=20
input name=SUBMIT type=submit value=SUBMIT
/form
?
}
elseif($SUBMIT){
$_SESSION[name] = $HTTP_POST_VARS[name];
?
a href=? echo $PHP_SELF; ? next /a
?
}
elseif( ( $SUBMIT ) ( isset ( $_SESSION[name] ) ) ) {
echo $_SESSION[name];
}
?
/body
/HTML
_
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Re: [PHP-DB] SESSIONS
on 26/2/03 12:58 pm, MaN at [EMAIL PROTECTED] wrote: And also use $_POST[SUBMIT] or set register_globals On Just use $_POST[SUBMIT] register_globals was turned off for security reasons. You are compromising the security of your system if you turn it back on. -- Mike Karthauser Managing Director - Brightstorm Ltd Email[EMAIL PROTECTED] Web http://www.brightstorm.co.uk Tel 0117 9426653 (office) 07939 252144 (mobile) SnailmailUnit 8, 14 King Square, Bristol BS2 8JJ -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] SESSIONS
Here's something i can't get working it won't go to the last clause of this
page i don't think it can set the session variable
anyone see what im doing wrong? i need more caffeine to get my brain fired
up today lol..
===
? session_start();?
HTML
head
/head
body
? if ( !$SUBMIT ){ ?
form action=? echo $PHP_SELF; ? method=post name=TEST
input name=name type=text value=name size=20 maxlength=20
input name=SUBMIT type=submit value=SUBMIT
/form
?
}
elseif($SUBMIT){
$_SESSION[name] = $HTTP_POST_VARS[name];
?
a href=? echo $PHP_SELF; ? next /a
?
}
elseif( ( $SUBMIT ) ( isset ( $_SESSION[name] ) ) ) {
echo $_SESSION[name];
}
?
/body
/HTML
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RE: [PHP-DB] SESSIONS
You need to register you varible first with the session
-Original Message-
From: David Rice [mailto:[EMAIL PROTECTED]
Sent: Tuesday, February 25, 2003 3:10 PM
To: [EMAIL PROTECTED]
Subject: [PHP-DB] SESSIONS
Here's something i can't get working it won't go to the last clause of this
page i don't think it can set the session variable
anyone see what im doing wrong? i need more caffeine to get my brain fired
up today lol..
===
? session_start();?
HTML
head
/head
body
? if ( !$SUBMIT ){ ?
form action=? echo $PHP_SELF; ? method=post name=TEST
input name=name type=text value=name size=20 maxlength=20
input name=SUBMIT type=submit value=SUBMIT
/form
?
}
elseif($SUBMIT){
$_SESSION[name] = $HTTP_POST_VARS[name];
?
a href=? echo $PHP_SELF; ? next /a
?
}
elseif( ( $SUBMIT ) ( isset ( $_SESSION[name] ) ) ) {
echo $_SESSION[name];
}
?
/body
/HTML
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[PHP-DB] Sessions and Temporary Tables
I'm trying to create a temporary table through a query call in php and have no guiding documentation to refer to. I assume it can be created as any other query call. I would use CREATE INSERT but the insert data is coming from a while loop. I understand that the temporary table requires registration as a session to ensure it is dropped after the session is closed. Does this mean I would need to simply register the name of the table. All aspects of the code are apparently working fine. No errors. When I use a SELECT statement and attempt to display the contents of the table, I only get the html headers for the table but no data. When I attempt to DESCRIBE the table directly from the mysql command line - it does not exist. Michael Conway [EMAIL PROTECTED] (703) 968-8875
RE: [PHP-DB] Sessions and Temporary Tables
I'm trying to create a temporary table through a query call in php and have no guiding documentation to refer to. I assume it can be created as any other query call. I would use CREATE INSERT but the insert data is coming from a while loop. I understand that the temporary table requires registration as a session to ensure it is dropped after the session is closed. Does this mean I would need to simply register the name of the table. You create a temporary table just like you would any other... CREATE TEMPORARY TABLE table_name (id int, name varchar(20), ... Or CREATE TEMPORARY TABLE table_name SELECT ... FROM other_table After it's created, within the same script _only_ you can do regular INSERTS, UPDATES, SELECTS, whatever... All aspects of the code are apparently working fine. No errors. When I use a SELECT statement and attempt to display the contents of the table, I only get the html headers for the table but no data. When I attempt to DESCRIBE the table directly from the mysql command line - it does not exist. If it's created from within your script, then you won't be able to see if from the command line as the temporary table is specific to the connection. The script and the command line are two different connections and can't see each others temporary tables... ---John Holmes... -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP-DB] Sessions problems
-Original Message-
From: Sabina Alejandr Schneider [mailto:[EMAIL PROTECTED]]
Sent: 05 January 2003 20:17
Hello everybody
I was trying to use Sessions, but I had some problems.
I have an old version of the Apache, that comes with the
Red Hat 7.2.
when executing this in my page:
session_start();
if(!isset($_SESSION['s_test'])){
$_SESSION['s_prueba']=1;
}
There appear this in the page:
Warning: Cannot send session cookie - headers already sent
by (output started at /var/www/html/prueba/index.php:8) in
/var/www/html/prueba/index.php on line 10
Well, the error message really says it all, it's just worded a bit opaquely!
Basically, setting a cookie uses an HTTP header, and all HTTP headers have to be sent
before your actual page content -- and the error message is saying that you can't send
an HTTP header at line 10 of your script, because you started outputting your page
content at line 8.
Warning: Cannot send session cache limiter - headers
already sent (output started at
/var/www/html/prueba/index.php:8) in
/var/www/html/prueba/index.php on line 10
Same thing, but for a cache limiter header.
You need to re-order your script so that the header requests come before the start of
real output.
Cheers!
Mike
-
Mike Ford, Electronic Information Services Adviser,
Learning Support Services, Learning Information Services,
JG125, James Graham Building, Leeds Metropolitan University,
Beckett Park, LEEDS, LS6 3QS, United Kingdom
Email: [EMAIL PROTECTED]
Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211
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[PHP-DB] Sessions problems
Hello everybody
I was trying to use Sessions, but I had some problems.
I have an old version of the Apache, that comes with the
Red Hat 7.2.
when executing this in my page:
session_start();
if(!isset($_SESSION['s_test'])){
$_SESSION['s_prueba']=1;
}
There appear this in the page:
Warning: Cannot send session cookie - headers already sent
by (output started at /var/www/html/prueba/index.php:8) in
/var/www/html/prueba/index.php on line 10
Warning: Cannot send session cache limiter - headers
already sent (output started at
/var/www/html/prueba/index.php:8) in
/var/www/html/prueba/index.php on line 10
What can be the problem here? How can I solution this?
Thanks in advance
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Re: [PHP-DB] Sessions Vs DB Access
On Sun, 24 Nov 2002, Peter Beckman wrote: Don't forget that you can use the DB to store PHP Sessions as well, which is faster than storing the sessions in /tmp on the file system. If you have well written SQL, you can have 5-30 queries per page, most of which should return the data in under 1/100 of a second. Well it depends. On Solaris /tmp/ is tmpfs which is memory based filesystem so it will essentially have speed of a ram disk. -- Mika Tuupola http://www.appelsiini.net/~tuupola/ -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] Sessions Vs DB Access
Quick hack for those who think that the MM handler is not stable is to use the standard handler and the directory where the session files will be to be mounted as tmpfs (even /tmp). This will give almost of the MM's speed without worrying whether MM is stable or not. Andrey - Original Message - From: Mika Tuupola [EMAIL PROTECTED] To: Peter Beckman [EMAIL PROTECTED] Cc: Dave Smith [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Monday, November 25, 2002 11:30 AM Subject: Re: [PHP-DB] Sessions Vs DB Access On Sun, 24 Nov 2002, Peter Beckman wrote: Don't forget that you can use the DB to store PHP Sessions as well, which is faster than storing the sessions in /tmp on the file system. If you have well written SQL, you can have 5-30 queries per page, most of which should return the data in under 1/100 of a second. Well it depends. On Solaris /tmp/ is tmpfs which is memory based filesystem so it will essentially have speed of a ram disk. -- Mika Tuupola http://www.appelsiini.net/~tuupola/ -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] Sessions Vs DB Access
Hi there everyone, I have a system I am programming, and each page needs to get various config elements from a DB, of course this means lots of DB access for each page. What I was wondering is, after the user has logged in successfully it currently stores their email, name, address and a few other bits of data in a session, would it also be a good idea to store other information in a session at the very start when they login to ease DB access? Are there problems with having lots of data in a session? Well when I say lots of data, I mean things like font size, color, table images, background colors, some normal text etc nothing like an essay or anything, just about 30-50 different variables. Just want to make sure it won't slow my system down by doing this, or would it speed it up because of less DB access? Thanks for your help Regards Chris -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] Sessions Vs DB Access
Chris, I'm assuming you're running this thing on *nix. Session variables are stored on the file system. PHP writes them out to /tmp, where it subsequently reads them upon request. The question is: How good at caching is your DB? If it can cache common select queries, then you are probably better using the DB (since file system caching is usually not that great). If your DB is busy with other things while the file system is relatively idle, maybe it'd be better to store them in sessions. The only real way to know is to benchmark both methods. You could come up with some real quick code that implements both methods. Then, run ApacheBench (ab) or JMeter to test the performance. Be sure that you run the benchmark utility in such a way to use the session vars (ie, simulate a user login). During the tests, watch things like load average (top) and I/O activity (iostat). Let us know which method works best for you. Scalability issues are so cool. --Dave Chris Payne wrote: Hi there everyone, I have a system I am programming, and each page needs to get various config elements from a DB, of course this means lots of DB access for each page. What I was wondering is, after the user has logged in successfully it currently stores their email, name, address and a few other bits of data in a session, would it also be a good idea to store other information in a session at the very start when they login to ease DB access? Are there problems with having lots of data in a session? Well when I say lots of data, I mean things like font size, color, table images, background colors, some normal text etc nothing like an essay or anything, just about 30-50 different variables. Just want to make sure it won't slow my system down by doing this, or would it speed it up because of less DB access? Thanks for your help Regards Chris -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] Sessions Vs DB Access
Don't forget that you can use the DB to store PHP Sessions as well, which is faster than storing the sessions in /tmp on the file system. If you have well written SQL, you can have 5-30 queries per page, most of which should return the data in under 1/100 of a second. I was running a site doing 150 queries per second, serving 1M page views a day. That's about 13M DB queries per day at a rate of about 11-12 page views per second. All on a dual 800mhz and 1gb of memory on FreeBSD, Apache, PHP and MySQL. It can be done! Peter On Sun, 24 Nov 2002, Dave Smith wrote: Chris, I'm assuming you're running this thing on *nix. Session variables are stored on the file system. PHP writes them out to /tmp, where it subsequently reads them upon request. The question is: How good at caching is your DB? If it can cache common select queries, then you are probably better using the DB (since file system caching is usually not that great). If your DB is busy with other things while the file system is relatively idle, maybe it'd be better to store them in sessions. The only real way to know is to benchmark both methods. You could come up with some real quick code that implements both methods. Then, run ApacheBench (ab) or JMeter to test the performance. Be sure that you run the benchmark utility in such a way to use the session vars (ie, simulate a user login). During the tests, watch things like load average (top) and I/O activity (iostat). Let us know which method works best for you. Scalability issues are so cool. --Dave Chris Payne wrote: Hi there everyone, I have a system I am programming, and each page needs to get various config elements from a DB, of course this means lots of DB access for each page. What I was wondering is, after the user has logged in successfully it currently stores their email, name, address and a few other bits of data in a session, would it also be a good idea to store other information in a session at the very start when they login to ease DB access? Are there problems with having lots of data in a session? Well when I say lots of data, I mean things like font size, color, table images, background colors, some normal text etc nothing like an essay or anything, just about 30-50 different variables. Just want to make sure it won't slow my system down by doing this, or would it speed it up because of less DB access? Thanks for your help Regards Chris -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php --- Peter Beckman Internet Guy [EMAIL PROTECTED] http://www.purplecow.com/ --- -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] SESSIONS
How would one go about registering a session if you were to create
the session based on the users ID and NAME from the database.
I have the users ID and NAME already being pulled from the database
and being stored in variables named $id and $name.
I have latest version of PHP so I think I need to use the $_SESSION[]
instead of session_register.
I am also using the session_encode function to echo out the session that
is currently being stored. What I am trying to store and what I am
actually seeing printed to the page is entirly different.
if (mysql_num_rows($sql_result) == 1)
{
session_start();
list($id, $name) = mysql_fetch_row($sql_result);
$SESSION_ID = $id;
$SESSION_NAME = $name;
session_register(SESSION_ID);
session_register(SESSION_NAME);
header(Location:);
}
else
{
header(Location:);
exit;
}
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Should you have any questions, comments or concerns, feel free to call
me at 318-338-2033.
Thank you for your time,
Wade Kelley, Design Engineer
Bayou Internet...(888) 30-BAYOU...http://www.bayou.com
Mississippi Internet...(800) MISSISSIPPI...http://www.mississippi.net
Vicksburg Online...(800) MISSISSIPPI...http://www.vicksburg.com
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Re: [PHP-DB] SESSIONS
Do this instead:
$user = mysql_fetch_object($sql_result);
$_SESSION['user'] = $user;
Then, you can use stuff like:
print {$_SESSION[user]-name};
// or if register_globals is on
print $user-name; // which is nice because you don't have to {} the var or
.$var[name].
Peter
On Fri, 1 Nov 2002, wade wrote:
How would one go about registering a session if you were to create
the session based on the users ID and NAME from the database.
I have the users ID and NAME already being pulled from the database
and being stored in variables named $id and $name.
I have latest version of PHP so I think I need to use the $_SESSION[]
instead of session_register.
I am also using the session_encode function to echo out the session that
is currently being stored. What I am trying to store and what I am
actually seeing printed to the page is entirly different.
if (mysql_num_rows($sql_result) == 1)
{
session_start();
list($id, $name) = mysql_fetch_row($sql_result);
$SESSION_ID = $id;
$SESSION_NAME = $name;
session_register(SESSION_ID);
session_register(SESSION_NAME);
header(Location:);
}
else
{
header(Location:);
exit;
}
--
Should you have any questions, comments or concerns, feel free to call
me at 318-338-2033.
Thank you for your time,
Wade Kelley, Design Engineer
Bayou Internet...(888) 30-BAYOU...http://www.bayou.com
Mississippi Internet...(800) MISSISSIPPI...http://www.mississippi.net
Vicksburg Online...(800) MISSISSIPPI...http://www.vicksburg.com
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---
Peter BeckmanSystems Engineer, Fairfax Cable Access Corporation
[EMAIL PROTECTED] http://www.purplecow.com/
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[PHP-DB] sessions tutorial
Sorry, Michael, I meant to send this to the list, not just to you. I apologize. Hello all, I am a php newbie and am currently developing my first php page. My page will allow several people to log in at the same time sharing access to the mysql db. SO, I need to use sessions. Does anyone know of a good tutorial on sessions to get me started? Thanks, Eddie -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] sessions tutorial
This is a very good tutorial about authentication using PHP and MySQL. If you don't use database, you may still learn some thing about sessions from there: http://phpcomplete.com/content.php?id=72 Ruth - Original Message - From: Edward Peloke [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, October 11, 2002 3:54 AM Subject: [PHP-DB] sessions tutorial Sorry, Michael, I meant to send this to the list, not just to you. I apologize. Hello all, I am a php newbie and am currently developing my first php page. My page will allow several people to log in at the same time sharing access to the mysql db. SO, I need to use sessions. Does anyone know of a good tutorial on sessions to get me started? Thanks, Eddie -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] Sessions and their function
You sould register sessions first, and if have been registered, are passing with session_start() in each page at the top, before the html tag.. If you want to pass variables from a page to another, put them in the url: test.php?var=3name=george (e.g.) Be sure that the page you refer is dynamic (.php) - - Original Message - From: LOUD, Mark [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, September 12, 2002 12:02 PM Subject: [PHP-DB] Sessions and their function Hi, I know this my sound stupid but here it goes.. Can sessions be used to pass variables from one page to the next to create persistent data? I have this working to a certain extent but can only pass a variable to my second page, but not from my second page onto the third. Also in my second page I cannot change the value of this variable i.e. bob = 100 on page 1, in page 2 I can display bob equalling 100 but then I want to a) alter the value of bob to 50 and b) send bob and its new value to third page. Can this be done by using sessions? Also how do you pass the session id of one page onto the next? do you pass it on the end of the page reference e.g. echo FORM METHOD=GET ACTION='msltest3.php'.SID.; Any help would be grateful even if it was to tell me that I have got the wrong idea about sessions altogehter. Thanks Mark CONFIDENTIALITY NOTICE The information contained in this e-mail is intended only for the confidential use of the above named recipient. If you are not the intended recipient or person responsible for delivering it to the intended recipient, you have received this communication in error and must not distribute or copy it. Please accept the sender's apologies, notify the sender immediately by return e-mail and delete this communication. Thank you. -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] Sessions and their function
Hi, I know this my sound stupid but here it goes.. Can sessions be used to pass variables from one page to the next to create persistent data? I have this working to a certain extent but can only pass a variable to my second page, but not from my second page onto the third. Also in my second page I cannot change the value of this variable i.e. bob = 100 on page 1, in page 2 I can display bob equalling 100 but then I want to a) alter the value of bob to 50 and b) send bob and its new value to third page. Can this be done by using sessions? Also how do you pass the session id of one page onto the next? do you pass it on the end of the page reference e.g. echo FORM METHOD=GET ACTION='msltest3.php'.SID.; Any help would be grateful even if it was to tell me that I have got the wrong idea about sessions altogehter. Thanks Mark CONFIDENTIALITY NOTICE The information contained in this e-mail is intended only for the confidential use of the above named recipient. If you are not the intended recipient or person responsible for delivering it to the intended recipient, you have received this communication in error and must not distribute or copy it. Please accept the sender's apologies, notify the sender immediately by return e-mail and delete this communication. Thank you. -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP-DB] sessions
i'd imagine there'll be a decent one on phpbuilder, or devshed, or webmonkey, or phpwizard if not, there's plenty of source code for existing shopping cart systems around these sites, so you can take them and rewrite it to your liking and design! the wonders of open source! -Original Message- From: James Kupernik [mailto:[EMAIL PROTECTED]] Sent: 23 May 2002 15:48 To: [EMAIL PROTECTED] Subject: Re: [PHP-DB] sessions Do you know where there is any good tutorials on creating a php shopping cart? I enabled the auto.session_start .. then took out session_start .. that seemed to do the trick. Any help on php shopping carts would be great! Thanks Matt Stewart [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... sent the session_start(); before any output, that should do it... -Original Message- From: James Kupernik [mailto:[EMAIL PROTECTED]] Sent: 23 May 2002 15:38 To: [EMAIL PROTECTED] Subject: [PHP-DB] sessions I get this error when I try to start a session (I'm trying to create a shopping cart). Warning: Cannot send session cache limiter - headers already sent Thanks -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] sessions
Thanks .. it is the wonders of open source. Are sessions required for a shopping basket? I don't want people to login, just order and go. Matt Stewart [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... i'd imagine there'll be a decent one on phpbuilder, or devshed, or webmonkey, or phpwizard if not, there's plenty of source code for existing shopping cart systems around these sites, so you can take them and rewrite it to your liking and design! the wonders of open source! -Original Message- From: James Kupernik [mailto:[EMAIL PROTECTED]] Sent: 23 May 2002 15:48 To: [EMAIL PROTECTED] Subject: Re: [PHP-DB] sessions Do you know where there is any good tutorials on creating a php shopping cart? I enabled the auto.session_start .. then took out session_start .. that seemed to do the trick. Any help on php shopping carts would be great! Thanks Matt Stewart [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... sent the session_start(); before any output, that should do it... -Original Message- From: James Kupernik [mailto:[EMAIL PROTECTED]] Sent: 23 May 2002 15:38 To: [EMAIL PROTECTED] Subject: [PHP-DB] sessions I get this error when I try to start a session (I'm trying to create a shopping cart). Warning: Cannot send session cache limiter - headers already sent Thanks -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP-DB] sessions
if you don't want people to log in, then sessions are really the only sensible way of solving the basket solution. -Original Message- From: James Kupernik [mailto:[EMAIL PROTECTED]] Sent: 23 May 2002 16:15 To: [EMAIL PROTECTED] Subject: Re: [PHP-DB] sessions Thanks .. it is the wonders of open source. Are sessions required for a shopping basket? I don't want people to login, just order and go. Matt Stewart [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... i'd imagine there'll be a decent one on phpbuilder, or devshed, or webmonkey, or phpwizard if not, there's plenty of source code for existing shopping cart systems around these sites, so you can take them and rewrite it to your liking and design! the wonders of open source! -Original Message- From: James Kupernik [mailto:[EMAIL PROTECTED]] Sent: 23 May 2002 15:48 To: [EMAIL PROTECTED] Subject: Re: [PHP-DB] sessions Do you know where there is any good tutorials on creating a php shopping cart? I enabled the auto.session_start .. then took out session_start .. that seemed to do the trick. Any help on php shopping carts would be great! Thanks Matt Stewart [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... sent the session_start(); before any output, that should do it... -Original Message- From: James Kupernik [mailto:[EMAIL PROTECTED]] Sent: 23 May 2002 15:38 To: [EMAIL PROTECTED] Subject: [PHP-DB] sessions I get this error when I try to start a session (I'm trying to create a shopping cart). Warning: Cannot send session cache limiter - headers already sent Thanks -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] sessions
There is a great-3-part-tutorial writen by Ying Zhang at DevShed.com. You can find this tutorial at: http://www.devshed.com/Server_Side/PHP/Commerce/Commerce1 It's a tutorial which guides you through the creation of a e-commerce site with LOTS of things and capabilities. You should check it out in order to solve lots and lots of questions. Cesar Aracena [EMAIL PROTECTED] Neuquen, Argentina - Original Message - From: James Kupernik [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Thursday, May 23, 2002 11:47 AM Subject: Re: [PHP-DB] sessions Do you know where there is any good tutorials on creating a php shopping cart? I enabled the auto.session_start .. then took out session_start .. that seemed to do the trick. Any help on php shopping carts would be great! Thanks Matt Stewart [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... sent the session_start(); before any output, that should do it... -Original Message- From: James Kupernik [mailto:[EMAIL PROTECTED]] Sent: 23 May 2002 15:38 To: [EMAIL PROTECTED] Subject: [PHP-DB] sessions I get this error when I try to start a session (I'm trying to create a shopping cart). Warning: Cannot send session cache limiter - headers already sent Thanks -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP-DB] Sessions
Hi, all First of all, I apologize if this is a dump question but I can't find the answer. I'm trying to use sessions to keep the information about user and password in a database driven web application. I am trying with a simple web page but I can't make it work correctly. Help me, please. Environment: Red Hat Linux 7.2, Apache 1.3.20, PHP 4.0.6 Web pages: Page 1: web page with a form asking for a user name and password. Page 2: php page to validate the user name and pass and register them as session variables. Page 3: php page to show the user name and pass introduced. Code: Page 2: ? session_start(); ? ? $sessionid = session_id(); ? ? session_register ( $usr, $password, $sessionid); ? Page 3 ? session_start(); ? ? echo $GLOBALS[usr]; ? ? echo $GLOBALS[password]; ? Results: Page 2: Opening the session Warning: Cannot send session cookie - headers already sent by (output started at /var/www/html/sigma/agenda/index.php:13) in /var/www/html/sigma/agenda/index.php on line 27 Warning: Cannot send session cache limiter - headers already sent (output started at /var/www/html/sigma/agenda/index.php:13) in /var/www/html/sigma/agenda/index.php on line 27 Page 3: the same warnings and the value of the session variables is lost. Here are my settings for sessions in the php.ini, It could be a configuration mistake. session.save_handler = files session.save_path = /tmp session.use_cookies = 1 session.name = PHPSESSID session.auto_start = 0 session.cookie_lifetime = 0 session.cookie_path = / session.cookie_domain = session.serialize_handler = php session.gc_probability = 1 session.gc_maxlifetime = 1440 session.referer_check = session.entropy_length = 0 session.entropy_file = session.cache_limiter = nocache session.cache_expire = 180 session.use_trans_sid = 1 I know that questions related to sessions had been treated in the list before but I can't find the answer to this, so I think this must be a very stupid question, sorry. Thank you very much in advanced. -- - Álvar Muñoz Sánchez Oficina Verde - UPV Información y Documentación - -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP-DB] Sessions and Frames
Hi, Every different page in a framset is loaded separatly so the only thing you should be aware of is not to output anything before the session stuff. Also you can use the output control functions lie ob_start - check the PHP manual for more info. HTH Dobromir Velev -Original Message- From: TJayBelt [EMAIL PROTECTED] To: [EMAIL PROTECTED] [EMAIL PROTECTED] Date: Thursday, October 18, 2001 8:28 AM Subject: [PHP-DB] Sessions and Frames I have a site that is successfully using sessions and authentication. However, I am working on another site, and it uses Frames. The first site does not use frames, so including the unit that has the session stuff first works. But on the frames site, it gives the following error : 'Cannot add header information - headers already sent by ' I know that this is when something is trying to print before the session is started. I just don't know how to accomplish this if the page I am loading is inside a frame... so by the time the session stuff starts, html is already output to the browser. thanks for any help you can give. -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
RE: [PHP-DB] Sessions and Frames
The manual says... Remember that the header() function must be called before any actual output is sent, either by normal HTML tags blank lines in a file, or from PHP. It is a very common error to read code with include(), or require(), functions, or another file access function, and have spaces or empty lines that will output before header() is called. The same problem exists when using a single PHP/HTML file. So, an example of what it's complaining about below leads me to believe that you've already written some ouput to the browser which effectively ends any possibility to do any HTTP HEADERS. My guess is that something like this is happening html headtitletitle of page/title/head body ?php header(header-value-and-arguments); ? More HTML stuff here /body /html ... Whereas the following would be what is acceptable ... ?php header(header-value-and-arguments); ? html headtitletitle of page/title/head body More HTML stuff here /body /html -- __ _Tyler Nally / /__ _(_)___ _ _ [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] / / _ \/ __ `/ / __ \/ __ \ / __ \/ ___/ __ `/ 317-860-3016 / / __/ /_/ / / /_/ / / / // /_/ / / / /_/ / American Legion Website /_/\___/\__, /_/\/_/ /_(_)/_/ \__, /http://www.legion.org http://www.legion.org // // -Original Message- From: Dobromir Velev [ mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] ] Sent: Thursday, October 18, 2001 3:50 AM To: TJayBelt; [EMAIL PROTECTED] Subject: Re: [PHP-DB] Sessions and Frames Hi, Every different page in a framset is loaded separatly so the only thing you should be aware of is not to output anything before the session stuff. Also you can use the output control functions lie ob_start - check the PHP manual for more info. HTH Dobromir Velev -Original Message- From: TJayBelt [EMAIL PROTECTED] To: [EMAIL PROTECTED] [EMAIL PROTECTED] Date: Thursday, October 18, 2001 8:28 AM Subject: [PHP-DB] Sessions and Frames I have a site that is successfully using sessions and authentication. However, I am working on another site, and it uses Frames. The first site does not use frames, so including the unit that has the session stuff first works. But on the frames site, it gives the following error : 'Cannot add header information - headers already sent by ' I know that this is when something is trying to print before the session is started. I just don't know how to accomplish this if the page I am loading is inside a frame... so by the time the session stuff starts, html is already output to the browser. thanks for any help you can give. -- PHP Database Mailing List ( http://www.php.net/ http://www.php.net/ ) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List ( http://www.php.net/ http://www.php.net/ ) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP-DB] Sessions and Frames
-Original Message- From: TJayBelt [EMAIL PROTECTED] To: [EMAIL PROTECTED] [EMAIL PROTECTED] Date: Thursday, October 18, 2001 8:28 AM Subject: [PHP-DB] Sessions and Frames I have a site that is successfully using sessions and authentication. However, I am working on another site, and it uses Frames. The first site does not use frames, so including the unit that has the session stuff first works. But on the frames site, it gives the following error : 'Cannot add header information - headers already sent by ' I know that this is when something is trying to print before the session is started. I just don't know how to accomplish this if the page I am loading is inside a frame... so by the time the session stuff starts, html is already output to the browser. thanks for any help you can give. My only thought is, where are you trying to start your session in the frames? Are you trying to start the session in the hidden frame or in one of the visible frames? If the attempt is in a visible frame then there has already been headers sent to start the hidden frame. -- Raquel Finish each day and be done with it. You have done what you could; some blunders and absurdities have crept in; forget them as soon as you can. Tomorrow is a new day; you shall begin it serenely and with too high a spirit to be encumbered with your old nonsense. --Ralph Waldo Emerson -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
[PHP-DB] sessions in PHP
can anyone guide me to using sessions in PHP i've tried it a lot of times but its not working. any help tutorials would be helpful... -- Nirat -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
RE: [PHP-DB] sessions in PHP
http://www.php.net/session -Original Message- From: nirat [mailto:[EMAIL PROTECTED]] Sent: 25 September 2001 06:46 To: [EMAIL PROTECTED] Subject: [PHP-DB] sessions in PHP can anyone guide me to using sessions in PHP i've tried it a lot of times but its not working. any help tutorials would be helpful... -- Nirat -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP-DB] Sessions ???
Dave, What you need to do is make sure that the variable: $topidID is being set to a value first (before you register it you must get it from the table. Once it is set you need to register it as you did BUT WITHOUT the $. So it will say: ? session_start(); session_register(topidID); ? Make sure that session_start is ALWAYS before any headers in your html page, BUT register does NOT have to be. It can be declared anywhere in the page as long as you have set the value in it already. Also, on every page that will ever access topidID you must have session_start() at the top. But not session_register, as the value has already been registered. HINT: if you want to change the value of topidID just set it's value and then call a register right after you do that. Hope this helps! DC [EMAIL PROTECTED] 05/02/01 07:53AM Hi All I have a ? about setting a session. I have a functions.inc file and at the top have put my session statment that looks like this. ? session_start(); session_register($topidID); ? $topicID comes from my mysql db. What i am trying to do is set the $topicID of my message board so that when a sucessful post has been made the visitor can click on a link that show the right board by topicID. so the link will look like this... http://localhost/forums/view.php?topicID=3 I am banging away trying to make this work Any help in the meantime is as always appreciated Thank You In Advance dave C -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP-DB] Sessions ???
Thanks Steve; I now have this in a session file in my tmp dir topicID|s:1:8; Now how do i get the link to read http://localhost/forums/view.php?topicID=8 i think its along the lines of http://localhost/forums/view.php3?PHPSESSIONID?topicID I am banging away, the 4 books i have on Php are useless when it comes to session and there usage. Thanks for the help Dave C Steve Brett [EMAIL PROTECTED] wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... try session_register(topidID); without the $ Steve -Original Message- From: DC [mailto:[EMAIL PROTECTED]] Sent: 02 May 2001 13:54 To: [EMAIL PROTECTED] Subject: [PHP-DB] Sessions ??? Hi All I have a ? about setting a session. I have a functions.inc file and at the top have put my session statment that looks like this. ? session_start(); session_register($topidID); ? $topicID comes from my mysql db. What i am trying to do is set the $topicID of my message board so that when a sucessful post has been made the visitor can click on a link that show the right board by topicID. so the link will look like this... http://localhost/forums/view.php?topicID=3 I am banging away trying to make this work Any help in the meantime is as always appreciated Thank You In Advance dave C -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP-DB] Sessions ???
Hola.
Quiero saber que debo hacer para poder conectar a Informix a través
de php4. De antemano, gracias por la ayuda.
John Molano
---Original Message---
From: Angie Tollerson
Date: Wednesday, May
02, 2001 08:26:28
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: [PHP-DB]
Sessions ???
Dave,What you need to do is make sure that the
variable: $topidID is being set to a value first (before you register it
you must get it from the table. Once it is set you need to register it as
you did BUT WITHOUT the $. So it will
say:?session_start();session_register("topidID");?Make
sure that session_start is ALWAYS before any headers in your html page,
BUT register does NOT have to be. It can be declared anywhere in the page
as long as you have set the value in it already. Also, on every page that
will ever access topidID you must have session_start() at the top. But not
session_register, as the value has already been registered. HINT: if you
want to change the value of topidID just set it's value and then call a
register right after you do that. Hope this
helps! "DC"
[EMAIL PROTECTED] 05/02/01 07:53AM
Hi AllI have a ? about setting a session.I
have a functions.inc file and at the top have put my session statment
thatlooks like
this.?session_start();session_register("$topidID");?$topicID
comes from my mysql db.What i am trying to do is set the $topicID
of my message board so that whena sucessful post has been made the
visitor can click on a link that show theright board by
topicID.so the link will look like
this...http://localhost/forums/view.php?topicID=3 I am
banging away trying to make this workAny help in the meantime
is as always appreciatedThank You In Advancedave
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Here
Re: [PHP-DB] Sessions ???
Doh! I meant there is NO dire need Joe Brown [EMAIL PROTECTED] wrote in message 9cp3kv$3hj$[EMAIL PROTECTED]">news:9cp3kv$3hj$[EMAIL PROTECTED]... For this operation there is dire need for session management. And remember the default variable order EGPCS may cause you trouble if you're sending a put variable across with the same name as a session variable. Session vars take presidence in the global scope. http://localhost/forums/view.php?topicID=3 The session var $topicID will override this put variable. $topicID=session var value //your 3 may not be here. $HTTP_GET_VARS[topicID]=3 //you can still find your 3 here. Session variables are good for maintaining information from one page to the next, avoiding the need for the client to keep sending the same information over and over again. In either event, I recommend useing a different session variable name than the put variable's name, unless you use $HTTP_GET_VARS/$HTTP_SESSION_VARS accordingly. -Joe DC [EMAIL PROTECTED] wrote in message 9covu3$p6g$[EMAIL PROTECTED]">news:9covu3$p6g$[EMAIL PROTECTED]... Hi All I have a ? about setting a session. I have a functions.inc file and at the top have put my session statment that looks like this. ? session_start(); session_register($topidID); ? $topicID comes from my mysql db. What i am trying to do is set the $topicID of my message board so that when a sucessful post has been made the visitor can click on a link that show the right board by topicID. so the link will look like this... http://localhost/forums/view.php?topicID=3 I am banging away trying to make this work Any help in the meantime is as always appreciated Thank You In Advance dave C -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP-DB] Sessions w/ Communicator 4.7 Problem
Hi, $test = "The session data was transferred."; echo "Click this link: a href=\"test2.php?".SID."\"test2.php/a"; change this to a href=\"test2.php?id=$PHPSESSID\"test2.php/a"; you need to specify a variable name first behind the ?. It worked for me on NS 4.75 Johannes -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP-DB] sessions and page has expired warning
Hi! I had exactly the same problem with back/forward and i found the script that does the job: ""olinux"" wrote in message 000a01c0c0aa$2d465050$6401a8c0@amdk7">news:000a01c0c0aa$2d465050$6401a8c0@amdk7... I am using sessions to store variables until all forms have been filled out. at this point they are put into the db. I would like to know how i can eliminate the problem that occurs when the user presses the back button. I receive a "warning, page has expired... press refresh" I know that pressing refresh works fine, but some people do not understand and get confused. How can i fix this? thanks much olinux -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP-DB] sessions and page has expired warning
Here, I think you may be over - using session variables a bit...have not used them in php, as I have version 3, which doesn't support them. However, by day I am an ASP developer, and article after article I read warns about session variables! They are great, but can hog memory, especially if you have many users concurrently, so I would use them sparingly, just when you have to. The "back" button problem - here is where a session variable might be usefull, if you want to force a particular order of website traversal and not allow them to go back - when leaving, say page 1 - set a session variable $visitedPageOne = true On the top of that page, first thing - check for the value of $visitedPageOne, if true, redirect to the next page, ect. Phil J. olinux wrote: I am using sessions to store variables until all forms have been filled out. at this point they are put into the db. I would like to know how i can eliminate the problem that occurs when the user presses the back button. I receive a "warning, page has expired... press refresh" I know that pressing refresh works fine, but some people do not understand and get confused. How can i fix this? thanks much olinux -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP-DB] Sessions and MySQL
Hello Rob, Tuesday, 20 March 2001, you wrote: RW I am trying to implement session support with mysql. I am using RW session.set_save_handler but don't really have a great set of functions does RW anyone have some good ones? Try http://www.phpbuilder.com/columns/ying2602.php3 Mark -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
[PHP-DB] Sessions and MySQL
I am trying to implement session support with mysql. I am using session.set_save_handler but don't really have a great set of functions does anyone have some good ones? -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
RE: [PHP-DB] Sessions in Functions
BDY.RTF -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
