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Editing: CdnEngine_Mirror_Akamai.php

<?php
/**
 * File: CdnEngine_Mirror_Akamai.php
 *
 * @package W3TC
 */

namespace W3TC;

define( 'W3TC_CDN_MIRROR_AKAMAI_WSDL', 'https://ccuapi.akamai.com/ccuapi-axis.wsdl' );
define( 'W3TC_CDN_MIRROR_AKAMAI_NAMESPACE', 'http://www.akamai.com/purge' );

/**
 * Class CdnEngine_Mirror_Akamai
 */
class CdnEngine_Mirror_Akamai extends CdnEngine_Mirror {
	/**
	 * Initializes the CDN engine with the provided configuration.
	 *
	 * @param array $config Configuration settings for the CDN engine.
	 *
	 * @return void
	 */
	public function __construct( $config = array() ) {
		$config = array_merge(
			array(
				'username'           => '',
				'password'           => '',
				'zone'               => '',
				'action'             => 'invalidate',
				'email_notification' => array(),
			),
			$config
		);

parent::__construct( $config );
	}

/**
	 * Purges a list of files from the Akamai CDN.
	 *
	 * @param array $files  Array of file data to purge from the CDN.
	 * @param array $results Reference to an array where the purge results will be stored.
	 *
	 * @return bool True if the purge request was successful, false otherwise.
	 */
	public function purge( $files, &$results ) {
		if ( empty( $this->_config['username'] ) ) {
			$results = $this->_get_results( $files, W3TC_CDN_RESULT_HALT, __( 'Empty username.', 'w3-total-cache' ) );

return false;
		}

if ( empty( $this->_config['password'] ) ) {
			$results = $this->_get_results( $files, W3TC_CDN_RESULT_HALT, __( 'Empty password.', 'w3-total-cache' ) );

return false;
		}

require_once W3TC_LIB_DIR . '/Nusoap/nusoap.php';

$client = new \nusoap_client(
			W3TC_CDN_MIRROR_AKAMAI_WSDL,
			'wsdl'
		);

$error = $client->getError();

if ( $error ) {
			$results = $this->_get_results(
				$files,
				W3TC_CDN_RESULT_HALT,
				sprintf(
					// Translators: 1 error message.
					__(
						'Constructor error (%1$s).',
						'w3-total-cache'
					),
					$error
				)
			);

return false;
		}

$zone = $this->_config['zone'];

$expressions = array();
		foreach ( $files as $file ) {
			$remote_path   = $file['remote_path'];
			$expressions[] = $this->_format_url( $remote_path );
		}

$action = $this->_config['action'];
		$email  = $this->_config['email_notification'];

$email   = implode( ',', $email );
		$options = array(
			'action=' . $action,
			'domain=' . $zone,
			'type=arl',
		);
		if ( $email ) {
			$options[] = 'email-notification=' . $email;
		}

$params = array(
			$this->_config['username'],
			$this->_config['password'],
			'',
			$options,
			$expressions,
		);

$result = $client->call( 'purgeRequest', $params, W3TC_CDN_MIRROR_AKAMAI_NAMESPACE );

if ( $client->fault ) {
			$results = $this->_get_results( $files, W3TC_CDN_RESULT_HALT, __( 'Invalid response.', 'w3-total-cache' ) );

return false;
		}
		$result_code    = $result['resultCode'];
		$result_message = $result['resultMsg'];

$error = $client->getError();

if ( $error ) {
			$results = $this->_get_results(
				$files,
				W3TC_CDN_RESULT_HALT,
				sprintf(
					// Translators: 1 error message.
					__(
						'Unable to purge (%1$s).',
						'w3-total-cache'
					),
					$error
				)
			);

return false;
		}
		if ( $result_code >= 300 ) {
			$results = $this->_get_results(
				$files,
				W3TC_CDN_RESULT_HALT,
				sprintf(
					// Translators: 1 result message.
					__(
						'Unable to purge (%1$s).',
						'w3-total-cache'
					),
					$result_message
				)
			);

return false;
		}

$results = $this->_get_results( $files, W3TC_CDN_RESULT_OK, __( 'OK', 'w3-total-cache' ) );

return true;
	}
}

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