JS/PHP Integration

[ashore]

Say I'm using a snippet like
$phpfoo = "a\nb\nc";
var jsfoo = "<?php echo $phpfoo;?>";

This errors out because JS sees the newline, and it needs to be
escaped somehow. (In my real case, $phpfoo came from MySQL, and it's
retrieved and displayed OK.)

What do you folks use in this kind of situation? Thanks, all.

AS

[Peter Michaux]

Re: JS/PHP Integration

On Apr 27, 7:35 am, ashore <3ash...@comcas t.netwrote:

Say I'm using a snippet like
$phpfoo = "a\nb\nc";
var jsfoo = "<?php echo $phpfoo;?>";
>
This errors out because JS sees the newline, and it needs to be
escaped somehow. (In my real case, $phpfoo came from MySQL, and it's
retrieved and displayed OK.)
>
What do you folks use in this kind of situation? Thanks, all.

If the $phpfoo string in PHP contains a new line then this is
something you solve with PHP before you print it into the HTML page.
Turn the new line character into somthing that will print as "\n" into
the page if you want the JavaScript to see the new line.

Peter

[Martin Honnen]

Re: JS/PHP Integration

ashore wrote:

Say I'm using a snippet like
$phpfoo = "a\nb\nc";
var jsfoo = "<?php echo $phpfoo;?>";
>
This errors out because JS sees the newline, and it needs to be
escaped somehow. (In my real case, $phpfoo came from MySQL, and it's
retrieved and displayed OK.)

PHP has addslashes e.g.
var jsfoo = "<?php echo addslashes($php foo); ?>";
that should help (although it is there in PHP to deal with escaping
strings for data base stuff).


--

Martin Honnen

http://JavaScript.FAQTs.com/

[-Lost]

Re: JS/PHP Integration

ashore wrote:

Say I'm using a snippet like
$phpfoo = "a\nb\nc";
var jsfoo = "<?php echo $phpfoo;?>";
>
This errors out because JS sees the newline, and it needs to be
escaped somehow. (In my real case, $phpfoo came from MySQL, and it's
retrieved and displayed OK.)
>
What do you folks use in this kind of situation? Thanks, all.

I imagine we would generate content that JavaScript could handle.

<script type="text/javascript">
var blah = '<?php print 'a\\nb\\nc'; ?>';
</script>

For example.

--
-Lost
Remove the extra words to reply by e-mail. Don't e-mail me. I am
kidding. No I am not.

[Christoph Burschka]

Re: JS/PHP Integration

Martin Honnen schrieb:

ashore wrote:
>

>Say I'm using a snippet like
> $phpfoo = "a\nb\nc";
> var jsfoo = "<?php echo $phpfoo;?>";
>>
>This errors out because JS sees the newline, and it needs to be
>escaped somehow. (In my real case, $phpfoo came from MySQL, and it's
>retrieved and displayed OK.)

>
>
PHP has addslashes e.g.
var jsfoo = "<?php echo addslashes($php foo); ?>";
that should help (although it is there in PHP to deal with escaping
strings for data base stuff).
>
>

Actually, it's not JS that turns "\n" into a newline, it's PHP.

If single quotes (like below) don't make it go away, *then* it's time to
look for ways to escape it on the Javascript side; not before.

> <?php $phpfoo = 'a\nb\nc'; ?>
> var jsfoo = "<?php echo $phpfoo;?>";

--
cb

[gosha bine]

Re: JS/PHP Integration

On 27.04.2007 16:35 ashore wrote:

Say I'm using a snippet like
$phpfoo = "a\nb\nc";
var jsfoo = "<?php echo $phpfoo;?>";
>
This errors out because JS sees the newline, and it needs to be
escaped somehow. (In my real case, $phpfoo came from MySQL, and it's
retrieved and displayed OK.)
>
What do you folks use in this kind of situation? Thanks, all.
>
AS
>

try

<?php echo addcslashes($ph pfoo, "\0..\37"); ?>


--
gosha bine

extended php parser ~ http://code.google.com/p/pihipi
blok ~ http://www.tagarga.com/blok

[Martin Honnen]

Re: JS/PHP Integration

Martin Honnen wrote:

PHP has addslashes e.g.
var jsfoo = "<?php echo addslashes($php foo); ?>";
that should help

No, it does not help (as it does not esape \n), seems a regular
expression replacement is needed.



--

Martin Honnen

http://JavaScript.FAQTs.com/

[-Lost]

Re: JS/PHP Integration

Martin Honnen wrote:

Martin Honnen wrote:
>

>PHP has addslashes e.g.
> var jsfoo = "<?php echo addslashes($php foo); ?>";
>that should help

>
No, it does not help (as it does not esape \n), seems a regular
expression replacement is needed.

Huh? addslashes would yield a\\nb\\nc. That is effectively escaping
newlines is it not?

--
-Lost
Remove the extra words to reply by e-mail. Don't e-mail me. I am
kidding. No I am not.

[Toby A Inkster]

Re: JS/PHP Integration

Martin Honnen wrote:

PHP has addslashes e.g.
var jsfoo = "<?php echo addslashes($php foo); ?>";

In this case, addcslashes($ph pfoo) would work better.

--
Toby A Inkster BSc (Hons) ARCS

http://tobyinkster.co.uk/

Geek of ~ HTML/SQL/Perl/PHP/Python*/Apache/Linux

* = I'm getting there!

[Toby A Inkster]

Re: JS/PHP Integration

-Lost wrote:

Huh? addslashes would yield a\\nb\\nc. That is effectively escaping
newlines is it not?

In the given example:

$phpfoo = "a\nb\nc";

No, it would not. addslashes() wouldn't do anything to that string.

--
Toby A Inkster BSc (Hons) ARCS

http://tobyinkster.co.uk/

Geek of ~ HTML/SQL/Perl/PHP/Python*/Apache/Linux

* = I'm getting there!

[ashore]

Re: JS/PHP Integration

Guys, the addslashes didn't work for me, tho I agree they shd! But
tell me why the following PHP didn't wrk:

$phpfoo = "\n\n\n";

print str_replace('\n ' ,'ZZZZZZZZZZZZZ ' ,$phpfoo);

AS

[Hendri Kurniawan]

Re: JS/PHP Integration

ashore wrote:

Guys, the addslashes didn't work for me, tho I agree they shd! But
tell me why the following PHP didn't wrk:
>
$phpfoo = "\n\n\n";
>
print str_replace('\n ' ,'ZZZZZZZZZZZZZ ' ,$phpfoo);
>
AS
>

Because of the single quote.
PHP process "\n", but does not process '\n';

Hendri

[ashore]

Re: JS/PHP Integration

Hendri, you're right! I've been PHP'ing for years and didn't know
that. I knew in general that PHP wouldn't parse between sgl quotes,
but I didn't realize that included this situation. Thanks.

AS

[Toby A Inkster]

Re: JS/PHP Integration

ashore wrote:

print str_replace('\n ' ,'ZZZZZZZZZZZZZ ' ,$phpfoo);

Stop mucking around with str_replace. Just use addcslashes().

--
Toby A Inkster BSc (Hons) ARCS

http://tobyinkster.co.uk/

Geek of ~ HTML/SQL/Perl/PHP/Python*/Apache/Linux

* = I'm getting there!

[ashore]

Re: JS/PHP Integration

Yep, that works fine. But I need to show line breaks in the html. so
the str_replace() is still there.

Thanks for all the help here, folks. 'Preciated!

AS