What are the differences between using $_POST[var] and $_GET[var] in PHP for form data retrieval?

When retrieving form data in PHP, using $_POST[var] is more secure as it sends data through the HTTP request body, while $_GET[var] sends data through the URL, making it visible to users. $_POST should be used for sensitive information like passwords, while $_GET is suitable for non-sensitive data like search queries. It's important to choose the appropriate method based on the nature of the data being handled. 

// Using $_POST to retrieve form data securely
$username = $_POST['username'];
$password = $_POST['password'];

Keywords

$_POST $_GET form data retrieval differences

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