CODEWITHSUNDEEP
phppostget
Navneet Saini
Navneet Saini

Reputation: 944

Php: How does form submission work?

I am fairly new to PHP.

The code is pretty simple:

home.php:

<form action="getsentitem.php" method="get">
   <div  >
   <input  name="query" id="query" class="searchQuery" size="20" value="" type="text" autocomplete="off">
   <input id="searchButton" value="Search" type="submit">
   </div>
</form>

getsentitem.php:

<?php
if (isset($_GET['query']))
$query = $_GET['query'];

?>

Question: The above code will simply give me whatever I enter in the text box which is there in home.php. Now, is there any way through which I can get the values of the other attributes of the text box? Like, is it possible to get the id of the textbox or its size through this method.

Upvotes: 0

Views: 2716

Answers (3)

MythThrazz
MythThrazz

Reputation: 1647

The short answer is: NO

You can only get the value of the input from the $_GET superarray.

edit.

However if you did something like this:

<form action="getsentitem.php" method="get">
   <div  >
   <input  name="query" id="query" class="searchQuery" size="20" value="" type="text" autocomplete="off">
   <input name="queryMeta" value="id:query_class:searchQuery_size:20" type="hidden">
   <input id="searchButton" value="Search" type="submit">
   </div>
</form>

Then you can read it in the PHP like this:

<?php
if (isset($_GET['queryMeta']))
$queryMeta = explode('_',$_GET['queryMeta']); //splits the string to array('id:query','class:searchQuery','size:20')
?>

Upvotes: 1

Maxim Kumpan
Maxim Kumpan

Reputation: 2625

No, it is not. Only name=>value pairs are sent to the server via your chosen method (GET/POST).

You can include custom data in hidden inputs within the form if you want to:

<form action="getsentitem.php" method="get">
   <div  >
   <input type="hidden" name="more_info" value="I will be available after submit."/>
   <input  name="query" id="query" class="searchQuery" size="20" value="" type="text" autocomplete="off">
   <input id="searchButton" value="Search" type="submit">
   </div>
</form>

echo $_GET['more_info']; // 'I will be available after submit.'

This is handy when you generate additional data via AJAX calls and javascript calculations. You don't necessarily know all the IDs of a highly dynamic webpage.

CSRF tokens are also usually sent this way.

Upvotes: 3

deceze
deceze

Reputation: 522016

No. Only the entered value is submitted with the name you gave it, nothing else; you can see exactly what gets submitted in the URL, that's it. Since you created the HTML in the first place, you should know what the other values were.

Upvotes: 2

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