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Aug 15th, 2007

Passing a value via href - php

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I recently started working with PHP, and MySQL. And I have come with a little problem, I have tried a couple of things to solve it and they are not working. Well, basically I am trying to put a link on a page, but that page requires me to pass a value, here's an example below, e.g.

If I am on this page for example

PHP Syntax (Toggle Plain Text)

 http://www.mypage.com/view.php?prop_id=5

and I want to add a link, that would translate to

PHP Syntax (Toggle Plain Text)

<a href="submit_docs.php?prop_id=5 ">Click </a>

How do I accomplish this, how do I pass the php variable "prop_id" to a href link? Can someone shed me some light on this matter? Thanks a lot

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Binary

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Aug 15th, 2007

Re: Passing a value via href - php

Um, you do it exactly like you have indicated in your link. I'm not certain what your question is exactly. Are you unsure how to build the link string? Unsure how to retrieve the value in the target page? Please elaborate a bit.

Ezzaral

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Posting Genius

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Aug 15th, 2007

Re: Passing a value via href - php

Click to Expand / Collapse Quote originally posted by Ezzaral ...

Um, you do it exactly like you have indicated in your link. I'm not certain what your question is exactly. Are you unsure how to build the link string? Unsure how to retrieve the value in the target page? Please elaborate a bit.

Yes, I am not sure how to build the link string that would pass the prop_id=[current_id_value] variable. I typed the prop_id=5 as an example, technically it could be any number. I am guessing there is a way to get the variable from the MySQL database, but once I get it, how do it build the link. Thanks again

Binary

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Aug 15th, 2007

Re: Passing a value via href - php

Click to Expand / Collapse Quote originally posted by Binary ...

If I am on this page for example
PHP Syntax (Toggle Plain Text)
 http://www.mypage.com/view.php?prop_id=5
http://www.mypage.com/view.php?prop_id=5
and I want to add a link, that would translate to
PHP Syntax (Toggle Plain Text)
<a href="submit_docs.php?prop_id=5 ">Click </a>
<a href="submit_docs.php?prop_id=5 ">Click </a>
How do I accomplish this, how do I pass the php variable "prop_id" to a href link? Can someone shed me some light on this matter? Thanks a lot

What do you mean by trabslate ?

If you want to you use prop_id from view.php url in link :

php Syntax (Toggle Plain Text)
$prop_id = '$_GET[prop_id]';
 
echo "<a href=\"submit_docs.php?prop_id=".$prop_id."\">Click </a>";
$prop_id = '$_GET[prop_id]';

echo "<a href=\"submit_docs.php?prop_id=".$prop_id."\">Click </a>";

- Mitko Kostov

Last edited by MitkOK; Aug 15th, 2007 at 5:59 pm.

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Aug 16th, 2007

Re: Passing a value via href - php

Click to Expand / Collapse Quote originally posted by MitkOK ...

What do you mean by trabslate ?

If you want to you use prop_id from view.php url in link :
php Syntax (Toggle Plain Text)
$prop_id = '$_GET[prop_id]';
 
echo "<a href=\"submit_docs.php?prop_id=".$prop_id."\">Click </a>";
$prop_id = '$_GET[prop_id]'; echo "<a href=\"submit_docs.php?prop_id=".$prop_id."\">Click </a>";
- Mitko Kostov

It works! Thanks a lot Mitko, and everyone who viewed this post

By using the code:

php Syntax (Toggle Plain Text)
 echo "<a href=\"submit_docs.php?prop_id=".$prop_id."\">Click </a>";
 echo "<a href=\"submit_docs.php?prop_id=".$prop_id."\">Click </a>";

I get the link with the prop_id variable. However I want to point something out, if I try to use for example

php Syntax (Toggle Plain Text)

$varid_id = '$_GET[prop_id]';

And used $varid_id instead of $prop_id I get an error, In other words, I did not have to declare $prop_id to use it in the link.
Again thanks a lot

Binary

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Aug 16th, 2007

Re: Passing a value via href - php

Click to Expand / Collapse Quote originally posted by Binary ...

I get the link with the prop_id variable. However I want to point something out, if I try to use for example
php Syntax (Toggle Plain Text)
$varid_id = '$_GET[prop_id]';
$varid_id = '$_GET[prop_id]';
And used $varid_id instead of $prop_id I get an error, In other words, I did not have to declare $prop_id to use it in the link.
Again thanks a lot

He just included that as an example of retrieving prop_id from a GET page request. If prop_id had been passed in via a link, you would get it with that code. If you are generating the prop_id from another source, you wouldn't need to pull it from the $_GET[] array.

Ezzaral

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Apr 22nd, 2009

Re: Passing a value via href - php

Click to Expand / Collapse Quote originally posted by Ezzaral ...

Um, you do it exactly like you have indicated in your link. I'm not certain what your question is exactly. Are you unsure how to build the link string? Unsure how to retrieve the value in the target page? Please elaborate a bit.

Hi!
I have the similar prrob as described by Binary . But i want to edit any row value displayed in a form in the form of a table . Now i want to edit a specific field after selecting. But If I put an edit link before each row or whatever , how can i pass the relavent variable values to the called form... I want to know the syntax or in simple words i want to send variables in a link string.
Supoz i have

PHP Syntax (Toggle Plain Text)
 echo "<td>".$row['lname']."</td>";
 echo "<td>".$row['lname']."</td>";

now how can i add an edit link to it that will make me able to edit a specfic field. DO i need to add it on row level?
Please help me
Thanks

maheen123

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Dec 20th, 2010

Re: Passing a value via href - php

I have a similar question. I am passing the ?id=%s to the href link. I want to pick up that id number later. How do I retrieve that number so I can use that id to display specific table data on the page? Hope you understand.

darrell1226

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Dec 20th, 2010

Re: Passing a value via href - php

as above, the $_GET array contains the parameters passed in the url
to get the value ?id=%s

php Syntax (Toggle Plain Text)
echo $_GET['id']; 
/* or if the id is being used more often than once assign it as a variable */
$id = $get['id'];
echo $id;
/* do some math */ + $id; // bla bla bla
echo $_GET['id']; 
/* or if the id is being used more often than once assign it as a variable */
$id = $get['id'];
echo $id;
/* do some math */ + $id; // bla bla bla

Hth

referring to $_request, $_post, $_get in the php online manuals may provide useful code samples

Last edited by almostbob; Dec 20th, 2010 at 10:25 pm.

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