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1. JNAScarb
   Member
   Posted 1 year ago #

   Hi

   I want to pass a GET parameter in the URL, eg. http://www.mywebsite.com/?parameter=myParameter and then access it on the page, how do I do that?

   PHP is disabled, I think, otherwise I'd echo $_GET['parameter'], but I presume WordPress provides a method to reach it, but I can't find it.

   I'm going to send that info back through a form processor in the template, so I'm all sorted barring wondering how to access the GET.

   All help appreciated :-)

   Cheers
   J

2. vtxyzzy
   Member
   Posted 1 year ago #

   I am a little confused. WP requires PHP, so it can't be disabled or WP would not run. The echo $_GET should work.

3. JNAScarb
   Member
   Posted 1 year ago #

   Thanks. OK .. WordPress is the thing I'm unfamiliar with, so here's what I'm doing:

   Editing a page in HTML mode, I'm inserting
   <p><?php echo "Hello ".$_GET['a']; ?></p>

   That saves OK and doesn't rip out the PHP bit, then I run the page, and what's output is:

   <p><?php echo "Hello ".$_GET['a']; ?></p>

   In other words, it's not being interpreted.

   I know I can put PHP in the template, but I need it here in the page so I can pass these parameters in a hidden form field.

   Cheers
   J

4. vtxyzzy
   Member
   Posted 1 year ago #

   OK, WP does not execute PHP inside posts. It is dangerous to do so because a poster can hack your site using that.

   But, if you really need it, check out the Exec PHP plugin.

5. JNAScarb
   Member
   Posted 1 year ago #

   Does WP provide another way to use the $_GET data within a post? Is there, for instance, a WP variable I can use that provides it?

   Or let me ask: if you wanted to pass a variable to a WordPress page, how would you do it? Eg. let's say you wanted a WordPress page to display a photograph, but wanted to pass the filename? (Actually, I've done that with code in the template, but if you needed it in the body).

   Or is it just that I need to put all my form into the header to solve my problem?

   J

6. vtxyzzy
   Member
   Posted 1 year ago #

   If you want to show a different picture on different pages, you can use a Custom Field to contain the URL of the picture.

   AFAIK, there is no built-in way to access the $_GET data inside of the post content. You should be able to add a shortcode to display the picture. For details, see the links below:

   Codex: Shortcode API

   Smashing Magazine: Mastering WordPress Shortcodes. See especially example 6. Get the Last Image Attached to a Post.

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