Need some help with dynamic form

[dink87522]

Okay, so I have a page with a heap of fields and buttons on it (and want to keep it like that really) inside one form.

 

Layout

Box 1 Button 1

Box 2 Button 2

Box 3 Button 3

Box 4 Button 4

etc...

 

Box 1 is called 'amount1$id'

Box 2 is called 'amount.$id' where $id is the $id of the data being displayed etc

 

So a sample form may look like

Box: "amount22" Button: "Pay22"

Box: "amount25" Button: "Pay25"

Box: "amount32" Button: "Pay32"

Box: "amount39" Button: "Pay39"

Box: "amount420" Button: "Pay420"

 

Its working fine up to that point.

 

My problem now is that I can't work out how to get that id number from the form once submitted. If I could get the button name somehow I could do it, although I don't know the button or box names when writing the processing script. I could use a loop and check if button1 to buttonX was posted etc, although if there is a large number of entries in the database, then that starts to become a problem. Thoughts?

[PFMaBiSmAd]

You need to use HTML array(s) for your various form fields - http://us3.php.net/manual/en/faq.html.php#faq.html.arrays

 

You can then simply loop through the array data using php array functions, such as foreach(){}

[Andy-H]

if ( !empty($_POST) )
{
   $posted = array_keys($_POST);
   //do some shit
}

array_keys

[dink87522]

I still don't really get it I don't think. I don't know what the id numbers will be though.

[Andy-H]

If you only need the id numbers use PFMaBiSmAd's suggestion. Follow the link he posted and be enlightened.

[dink87522]

Okay, I don't get it.

 

My form now looks like

<input type='submit' name='Pay[60]' id='Pay[60]' value='Pay' />
<input type='submit' name='Pay[60]' id='Pay[89]' value='Pay' />
<input type='submit' name='Pay[60]' id='Pay[95]' value='Pay' />

etc

 

My processing form part look like:

 

$ID = strip_tags($_POST['Pay']);

$ID = mysql_real_escape_string($ID);

 

$ID is coming through as an array although I can't get/find the array contents (using print_r only gives "Array"). I even tries $ID[0] and $ID[1' etc although had no luck. What am I doing wrong???

[dink87522]

? 

[PFMaBiSmAd]

Using strip_tags() on an array produces an error and returns nothing. Are you developing and debugging your code on a system with error_reporting set to E_ALL (or a -1) and display_errors set to ON so that all the php detected errors in your code will be reported and displayed? You will save a TON of time.

[dink87522]

I removed the strip tags etc although no go still.

 

Okay, is there another tutorial/example of thsi somewhere (the PHP official site is often hard to understand I think) as I just can't get it working. Or is there another method I could do this?

[PFMaBiSmAd]

The 'code' you posted in reply #5 works after you remove the error producing strip_tags() from it (also, since $_POST['Pay'] is an array, using mysql_real_escape_string on it produces an error and returns nothing that the suggested php error_reporting/display_errors settings would help you find.)

 

In your last tread, where you were trying to access sequentially numbered form fields, someone suggested displaying the $_POST array so that you can see what you are actually receiving. I recommend you do the same in this thread.

 

You haven't exactly defined what you are trying to do (little or no real code), so it is not exactly possible to help you with it. What you posted in reply #5 produces an array $_POST['Pay'] that contains - Array ( [60] => Pay ) that has a key that you used in the form name and a value 'Pay'.