joining variables together

[Ian Davies]

Hello
I am trying to update a session, ie everytime the page is resubmitted I want
the current selected value from a list to be appended to the old session
value. I have the following code but am unable to get it to work. I dont
know the correct syntac wher I have put the word 'PLUS'.

<?php $_SESSION['savedcomm'] = $_SESSION['savedcomm'] PLUS
$_POST['selectcomm'];?>

I have tried & but this doesnt work, or even && which I have seen in some
script

Help please
Ian

[J.O. Aho]

Re: joining variables together

Ian Davies wrote:[color=blue]
> Hello
> I am trying to update a session, ie everytime the page is resubmitted I want
> the current selected value from a list to be appended to the old session
> value. I have the following code but am unable to get it to work. I dont
> know the correct syntac wher I have put the word 'PLUS'.
>
> <?php $_SESSION['savedcomm'] = $_SESSION['savedcomm'] PLUS
> $_POST['selectcomm'];?>
>
> I have tried & but this doesnt work, or even && which I have seen in some
> script[/color]

$_SESSION['savedcomm'] = $_SESSION['savedcomm'] . $_POST['selectcomm'];



//Aho

[Ian Davies]

Re: joining variables together

Thanks Aho

sorry I should have added, what if I want each newly added item to the
session to display as seperat lines when returned to a text field?

Ian

"J.O. Aho" <user@example.n et> wrote in message
news:4e0flvF1cb jk5U1@individua l.net...[color=blue]
> Ian Davies wrote:[color=green]
> > Hello
> > I am trying to update a session, ie everytime the page is resubmitted I[/color][/color]
want[color=blue][color=green]
> > the current selected value from a list to be appended to the old session
> > value. I have the following code but am unable to get it to work. I dont
> > know the correct syntac wher I have put the word 'PLUS'.
> >
> > <?php $_SESSION['savedcomm'] = $_SESSION['savedcomm'] PLUS
> > $_POST['selectcomm'];?>
> >
> > I have tried & but this doesnt work, or even && which I have seen in[/color][/color]
some[color=blue][color=green]
> > script[/color]
>
> $_SESSION['savedcomm'] = $_SESSION['savedcomm'] . $_POST['selectcomm'];
>
>
>
> //Aho[/color]

[David Haynes]

Re: joining variables together

Ian Davies wrote:[color=blue]
> Thanks Aho
>
> sorry I should have added, what if I want each newly added item to the
> session to display as seperat lines when returned to a text field?
>
> Ian[/color]

$lines = $_SESSION['line1'].'<br>'.$_SESSI ON['line2'];
or
$lines = sprintf("%s<br> %s", $_SESSION['line1'], $_SESSION['line2']);
or
$prefix = 'line';
$lines = '';
foreach($_SESSI ON as $key => $value) {
if( substr($key, 0, strlen($prefix) ) == $prefix) {
if( $lines == '' ) $lines = $value;
else $lines = sprintf("%s<br> %s", $lines, $value);
}
}

This assumes that all the lines you want to join together begin with the
tag name 'line'. (e.g. line1, line2, line_foo, etc.)

-david-

[J.O. Aho]

Re: joining variables together

Ian Davies wrote:
[color=blue]
> sorry I should have added, what if I want each newly added item to the
> session to display as seperat lines when returned to a text field?[/color]


$_SESSION['savedcomm'] = $_SESSION['savedcomm'] . "\n" . $_POST['selectcomm'];

This would add new line between the old and new data.

If you want to display it in a html section, then you can use nl2br()

http://www.php.net/manual/en/function.nl2br.php

<h2><?php echo nl2br($_SESSION['savedcomm']); ?></h2>

If you add things to a textarea, then do

<textarea name="thetext" rows="20" cols="80"><?php echo
$_SESSION['savedcomm']; ?></textarea>

Here you don't use the nl2br as the the textarea element does respect the new
line, which isn't done in html otherwise.


//Aho

[Ian Davies]

Re: joining variables together

Thanks J.O.
That was what I wanted

"J.O. Aho" <user@example.n et> wrote in message
news:4e0ksjF1ci e9vU1@individua l.net...[color=blue]
> Ian Davies wrote:
>[color=green]
> > sorry I should have added, what if I want each newly added item to the
> > session to display as seperat lines when returned to a text field?[/color]
>
>
> $_SESSION['savedcomm'] = $_SESSION['savedcomm'] . "\n" .[/color]
$_POST['selectcomm'];[color=blue]
>
> This would add new line between the old and new data.
>
> If you want to display it in a html section, then you can use nl2br()
> http://www.php.net/manual/en/function.nl2br.php
>
> <h2><?php echo nl2br($_SESSION['savedcomm']); ?></h2>
>
> If you add things to a textarea, then do
>
> <textarea name="thetext" rows="20" cols="80"><?php echo
> $_SESSION['savedcomm']; ?></textarea>
>
> Here you don't use the nl2br as the the textarea element does respect the[/color]
new[color=blue]
> line, which isn't done in html otherwise.
>
>
> //Aho[/color]