Is $_REQUEST Faster Than Using Conditional Statements with $_GET and $_POST?

Speed Comparison of $_REQUEST, $_GET, and $_POST

Superglobals like $_REQUEST, $_GET, and $_POST are commonly used to retrieve user input. However, it's often debated which one is the fastest.

The article explores the differences and performance implications of these superglobals.

$_REQUEST vs. Conditional Statements

The question posed is whether direct access to $_REQUEST['s'] is faster than using conditional statements to check for $_GET['s'] and $_POST['s'] individually.

$_REQUEST: Pros and Cons

$_REQUEST, by default, aggregates data from $_GET, $_POST, and $_COOKIE. However, this behavior can be modified by the variables_order configuration. Additionally, it's important to consider whether cookie data is relevant to your application.

$_GET vs. $_POST

The choice between $_GET and $_POST depends on the purpose of your application.

• Use $_GET for retrieving data requested from the application.
• Use $_POST for handling data submission (insertion, update, or deletion).

Performance Considerations

The performance difference between $_REQUEST, $_GET, and $_POST is negligible. The overhead of these operations is dwarfed by the rest of the script's execution. It's more important to optimize for data retrieval and manipulation rather than the choice of superglobal.

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