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Message-ID: <2017243.GSzyx3rZ4e@PointedEars.de>
From: Thomas 'PointedEars' Lahn <PointedEars@web.de>
Reply-To: Thomas 'PointedEars' Lahn <php@PointedEars.de>
Organization: PointedEars Software (PES)
Date: Mon, 16 Sep 2013 15:41:26 +0200
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Subject: Re: problem with many buttons
Newsgroups: comp.lang.php
References: <9e813751-629b-4768-beee-e061431da1d4@googlegroups.com> <l16q8i$qgl$1@dont-email.me>
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Fiver wrote:

> On 2013-09-16 08:25, Avnesh Shakya wrote:
>> <?php
>> echo "<script type='text/javascript'>function blogId($bgid) {
>>top.location.href = './blogComment.php?id=$bgid'; };</script>";
>>         ?>
>> 
>> it is going on that page but not contaid this value...
> 
> echo "... $bgid ..." will try to interpolate the PHP variable "$bgid"
> into the string. Depending on your settings and whether $bgid actually
> exists, this will result in an error or something you didn't want.
> JavaScript variables and function arguments are not usually prefixed
> with a "$" sign. Try this instead (without the <?php ... ?> around it):
> 
> <script type="text/javascript">
> function blogId(bgid) {
>     top.location.href = './blogComment.php?id=' + bgid;
> }
> </script>

I am afraid that this code is not going to work until someone with a minimum 
clue will be rewriting it.  For example,

| echo "<li><button id=$bgname onclick = return(blogId($this))>".
| $row['blogs_name']."</button></li>";

is not going to work already because “$this” will be expanded to "" while 
generating the notice “Undefined variable: this”.  It must be “this” 
instead, and the “onclick“ attribute value must be quoted; but to know that 
you have to have at least a basic understanding of HTML, and you have to 
know the difference between server-side and client-side code, and between 
PHP (used here server-side) and ECMAScript/JavaScript (used here client-
side).


PointedEars
-- 
When all you know is jQuery, every problem looks $(olvable).