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Posted by Robert Cummings on 10/02/05 07:09
On Sat, 2005-10-01 at 23:57, John Taylor-Johnston wrote:
> $TrolleyContents is a string.
> Basically what I want to accomplish here is if $TrolleyContents already
> exists append $AddToTrolley to $TrolleyContents, if not register
> $TrolleyContents.
> Am I going about it right?
> John
>
> <?php
> #printcontents.php
>
> session_name("CCLTrolley");
> session_start();
>
> if (isset($HTTP_POST_VARS["AddToTrolley"]))
> {
> $TrolleyContents = $TrolleyContents.",".$HTTP_POST_VARS["AddToTrolley"];
> }else{
> session_register("TrolleyContents");
> }
> echo $TrolleyContents;
>
> phpinfo();
> ?>
Looks a bit odd to me :) But could be because you're using outdated
semantics. It should be sufficient to do the following:
<?php
session_name( 'CCLTrolley' );
session_start();
//
// Initialize the trolley.
//
if( !isset( $_SESSION['TrolleyContents'] ) )
{
$_SESSION['TrolleyContents'] = '';
}
//
// Add new entry.
//
if( isset( $_POST['AddToTrolley'] ) )
{
if( $_SESSION['TrolleyContents'] ) == '' )
{
$_SESSION['TrolleyContents'] = $_POST['AddToTrolley'];
}
else
{
$_SESSION['TrolleyContents'] .= ','.$_POST['AddToTrolley'];
}
}
echo $_SESSION['TrolleyContents'];
phpinfo();
?>
Is there a reason you're using a comma delimited string? I would
recommend using an array instead:
<?php
session_name( 'CCLTrolley' );
session_start();
//
// Initialize the trolley.
//
if( !isset( $_SESSION['TrolleyContents'] ) )
{
$_SESSION['TrolleyContents'] = array();
}
//
// Add new entry.
//
if( isset( $_POST['AddToTrolley'] ) )
{
$_SESSION['TrolleyContents'][$_POST['AddToTrolley']] =
$_POST['AddToTrolley']
}
echo implode( ',', $_SESSION['TrolleyContents'] );
phpinfo();
?>
Cheers,
Rob.
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