GET Method in PHP Forms

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The GET method is used if you want to send data through the URL. The GET method makes a form result be stored in URL and visible in the browser address bar. So it is suitable for simple and not sensitive data.

How the GET Method Works

The first step is to create an HTML form, in which the information from the user is entered.
Then, the browser appends this data to the URL when the form is submitted.
Finally, PHP takes the data by reading the variable $_GET.

This process accounts for easy understanding and utilization of GET method.

Simple Example of GET Method

HTML Form

<form method="get" action="process.php">
    <input type="text" name="search">
    <input type="submit" value="Search">
</form>

PHP Code

<?php
echo "You searched for: " . $_GET['search'];
?>

After submission, the URL looks like this:
process.php?search=php

Use Cases of GET Method

The GET method is usually used for search forms, filters, pagination and sorting. As the data is visible in the URL the user can bookmark or share the page. So GET is preferable for features where the visibility of data is beneficial. For example:

Search bars
Category filters
Page navigation links
Public query parameters

Advantages of GET Method

GET is simple to use and is easy to understand. Data can be seen in the URL making it useful for testing and debugging. Also search engines can read GET parameters making it good for search pages.

Disadvantages of GET Method

The disadvantages include security: data sent via GET is visible to everyone in the URL, and therefore is not suitable for passwords or personal data. The other disadvantage is the size limit for URLs, and so GET cannot be used if large amounts of data are to be sent.

Summary

GET method passes form data on url, and php can read it, using $_GET variables. Ideal for simple querys, such as search, filter, when there is a need for speed and security does not matter.

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