[PHP] Login should not allow users to login if the application is logged in with the same login credentials

[Balasubramanyam A]

Hello,

I've written a simple application, where users need to login to access the
features of the application. I want to develop login system such that, if
user is already logged in, the application should not allow the users to
login with the same login credentials. How do I accomplish this?

Regards,
Balu

[PHP] Digital signature

[Balasubramanyam A]

Hello,

Is it possible to digitally signature on PHP document using PHP?

Balu

Re: [PHP] Digital signature

[Balasubramanyam A]

Hello Todd,

Sorry about the typo error in my previous email. My question is, how to
digitally sign on PDF document using PHP?

I searched web, but could not get more information on this topic. Could you
please give me an example on how to digitally sign on PDF document using
PHP?

Balu




On Tue, Sep 30, 2008 at 10:08 PM, Boyd, Todd M. [EMAIL PROTECTED] wrote:

  -Original Message-
  From: Balasubramanyam A [mailto:[EMAIL PROTECTED]
  Is it possible to digitally signature on PHP document using PHP?

 S. T. F. W.

 http://www.pgpi.org/

 That should at least get you started.


 Todd Boyd
 Web Programmer




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[PHP] FPDF

[Balasubramanyam Ananthamurthy]

Hello,

I'm fetching content from database and printing it on the browser. I 
want add an link on the same page Click here to view it in PDF. Is it 
possible to do it using FPDF? If yes, how can I do this?


Thank you.

Balu

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[PHP] Problem with sessions.

[Balasubramanyam A]

Could someone help with this code? It is a search and delete program. I'm
executing bunch of code within if-else statement. After searching the
records in else block the code is redirecting to if block. I'm not able
delete the records in else block. How do avoid the control move to if block?


?php
session_start();
require_once('connection.php');
$_SESSION['voucher_value'] =  $_POST['voucher_to'];
if(!($_SESSION['voucher_value'] == b1) )
{
$tbl_name = voucher;
$kodaikanal = Resident Scientist br / IIA, Kodaikanal br / Observatory
br / KODAIKANAL - 624 103;
$hosakote = Scientist in-charge br / CREST Campus br / HOSAKOTE - 562
114;
$leh_ladakh = Engineer in-charge br / IAO-HANLE br /Fort Road.SKARA br
/P.O.Box No.100br /LEH-LADAKH - 194 101 br / (J  K);
$kavalur = Resident Scientist br / Vainu Bappu Observatory br / KAVALUR
- 635 701;

$_SESSION['voucher_value'] =  $_POST['voucher_to'];
if($_SESSION['voucher_value'] == k1)
{
$add_val =  $kodaikanal;
}
elseif($_SESSION['voucher_value'] == h1)
{
$add_val =  $hosakote;
}
elseif($_SESSION['voucher_value'] == l1)
{
$add_val =  $leh_ladakh;
}
elseif($_SESSION['voucher_value'] == k2)
{
$add_val =  $kavalur;
}

if ( !(isset ($_POST['delete']) ) ) {
$_SESSION['name_voucher']= $_POST['search_name'];
}
$search_temp = $_SESSION['name_voucher'];


if(isset($_POST['delete'])){
//$checkboxID= $_POST['checkbox'];
$array= $_POST['checkbox'];
foreach ($array as $key=$value) {
$sql1 = DELETE FROM $tbl_name WHERE voucher_number='$array[$key]';
$result1 = mysql_query($sql1);
}


}
$sql=SELECT * FROM $tbl_name where name='$search_temp' 
address='$add_val';
$result=mysql_query($sql);
$count=mysql_num_rows($result);

if ($count == 0)
{
include('header.php');
print br /;
print br /;
print Search does not find any such records;
print br /;
exit();
include('footer.php');
}
include('ser_mis.php');
}




else
{

$tbl_name = voucherb;
if ( !(isset ($_POST['delete']) ) ) {
$_SESSION['name_voucher']= $_POST['search_name'];
}
$search_temp = $_SESSION['name_voucher'];


if(isset($_POST['delete'])){
//$checkboxID= $_POST['checkbox'];
$array= $_POST['checkbox'];
foreach ($array as $key=$value) {
$sql1 = DELETE FROM $tbl_name WHERE voucher_number='$array[$key]';
$result1 = mysql_query($sql1);
}
if(!(mysql_affected_rows() == 1))
{
include('header.php');
print br /;
print br /;
print Records has not been deleted. Please contact administrator;
include('footer.php');
exit();
}else
{
include('header.php');
print br /;
print br /;
print The record(s) has been successfully deleted from database;
print br /;
exit();
include('footer.php');
}
}
$sql=SELECT * FROM $tbl_name where name='$search_temp';// 
address='$add_val';
$result=mysql_query($sql);
$count=mysql_num_rows($result);

/*if ($count == 0)
{
include('header.php');
print br /;
print br /;
print Search does not find any such records;
print br /;
exit();
include('footer.php');
}*/
include('ser_misb.php');
}

?

[PHP] Delete rows from database

[Balasubramanyam A]

Hi all,

I'm searching names from MySQL and printing it on a browser. Also, I've
provided checkbox for all the rows and a delete button for a page. I want to
delete the selected rows from MySQL when I click on the Delete button. How
do I do that?

Here is the code which I used to print the rows after fetching the same from
MySQL

while ($line = mysql_fetch_array($resultset, MYSQL_ASSOC)) {
echo \ttr\n;
echo tdinput type=checkbox name=index // td;
foreach ($line as $col_value) {
echo \t\ttdnbsp;$col_value/td\n;
}
//echo tdinput type=button name=vcancel value=Cancel //td;
echo \t/tr\n;
}

[PHP] Language construct

[Balasubramanyam A]

Hello all,

I'm new to this group and I'm learning PHP. I want to know what is the exact
definition for Language Construct. Could someone please explain about
this?