Location: PHPKode > scripts > PayPal Payments Pro > DoAuthorization.php
<?php
// Include required library files.
require_once('includes/config.php');
require_once('includes/paypal.class.php');

// Create PayPal object.
$PayPalConfig = array('Sandbox' => $sandbox, 'APIUsername' => $api_username, 'APIPassword' => $api_password, 'APISignature' => $api_signature);
$PayPal = new PayPal($PayPalConfig);

// Prepare request arrays
$DAFields = array(
				'transactionid' => '', 					// Required.  The value of the order's transaction ID number returned by PayPal.  
				'amt' => '', 							// Required. Must have two decimal places.  Decimal separator must be a period (.) and optional thousands separator must be a comma (,)
				'transactionentity' => '', 				// Type of transaction to authorize.  The only allowable value is Order, which means that the transaction represents a customer order that can be fulfilled over 29 days.
				'currencycode' => '', 					// Three-character currency code.
			);
			
$PayPalRequestData = array('DAFields'=>$DAFields);

// Pass data into class for processing with PayPal and load the response array into $PayPalResult
$PayPalResult = $PayPal->DoAuthorization($PayPalRequestData);

// Write the contents of the response array to the screen for demo purposes.
echo '<pre />';
print_r($PayPalResult);
?>
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