Preserving Form Elements by creating hidden form elements on new page based on previous page's form submit

Revision: 42275

at March 2, 2011 18:00 by chopbust

Initial Code

function retain_post_data() {
	foreach($_POST as $key=>$index) {
		if (is_array($index) == false) {
			$index = trim($index);
			$form .= "<input name='$key' type='hidden' value='".$index."' />";
			
		}
		else {
			foreach($index as $key2=>$index2) {
				if ($index2 != "") $form .= "<input name='".$key."[".$key2."]' type='hidden' value='$index2' />";
			}
		}
	}
	
	return $form;}

Initial URL

Initial Description

I made this function to render hidden form elements in a new page based on what was sent from the last form. This function can be used to preserve input from a long multiple-page form.

What does it do:

1. Go through all the submitted POST elements.
2. Draw a loop of those POST elements into this new form (in form of hidden elements).
3. When that form submits, previous page's input is included inside this new form's submit action.

Note: Do not use the same form element name as it overwrites as it goes along.

Initial Title

Preserving Form Elements by creating hidden form elements on new page based on previous page's form submit

Initial Tags

form, php

Initial Language

PHP

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