How can data passed through URL parameters or form submissions be accessed and handled in PHP?

When data is passed through URL parameters or form submissions in PHP, it can be accessed using the $_GET and $_POST superglobals respectively. These superglobals allow you to retrieve the values of the parameters or form fields and then handle them as needed in your PHP code. 

// Accessing data passed through URL parameters
if(isset($_GET['param_name'])){
    $param_value = $_GET['param_name'];
    // Handle the parameter value here
}

// Accessing data passed through form submissions
if(isset($_POST['form_field_name'])){
    $form_field_value = $_POST['form_field_name'];
    // Handle the form field value here
}

Keywords

PHP URL parameters form submissions data handling $_GET

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