What are the advantages of outputting the contents of GPC in an HTTP request handling script?

Outputting the contents of GPC (GET, POST, COOKIE) variables in an HTTP request handling script can provide valuable information for debugging and troubleshooting purposes. By printing out these variables, you can easily see the data being sent to the server and ensure that the correct information is being received. This can help identify any issues with data manipulation or processing in the script. 

// Output the contents of GPC variables for debugging purposes
echo "GET variables: ";
print_r($_GET);

echo "POST variables: ";
print_r($_POST);

echo "COOKIE variables: ";
print_r($_COOKIE);

Keywords

$_GET $_POST $_COOKIE $_REQUEST security

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