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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * The MaxMind database service class file.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                defined( 'ABSPATH' ) || exit;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * The service class responsible for interacting with MaxMind databases.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since 1.0.19  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class GetPaid_MaxMind_Database_Service { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * The name of the MaxMind database to utilize.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	const DATABASE = 'GeoLite2-Country';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * The extension for the MaxMind database.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	const DATABASE_EXTENSION = '.mmdb';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * A prefix for the MaxMind database filename.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $database_prefix;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Class constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string|null $database_prefix A prefix for the MaxMind database filename.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function __construct( $database_prefix ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->database_prefix = $database_prefix;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Fetches the path that the database should be stored.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string The local database path.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function get_database_path() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$uploads_dir = wp_upload_dir();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$database_path = trailingslashit( $uploads_dir['basedir'] ) . 'invoicing/';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( ! empty( $this->database_prefix ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$database_path .= $this->database_prefix . '-';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$database_path .= self::DATABASE . self::DATABASE_EXTENSION;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Filter the geolocation database storage path.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return apply_filters( 'getpaid_maxmind_geolocation_database_path', $database_path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Fetches the database from the MaxMind service.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $license_key The license key to be used when downloading the database.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string|WP_Error The path to the database file or an error if invalid.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function download_database( $license_key ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$download_uri = add_query_arg(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			array(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				'edition_id'  => self::DATABASE,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				'license_key' => urlencode( wpinv_clean( $license_key ) ),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				'suffix'      => 'tar.gz',  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'https://download.maxmind.com/app/geoip_download'  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		// Needed for the download_url call right below.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		require_once ABSPATH . 'wp-admin/includes/file.php';  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$tmp_archive_path = download_url( esc_url_raw( $download_uri ) );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( is_wp_error( $tmp_archive_path ) ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			// Transform the error into something more informative.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			$error_data = $tmp_archive_path->get_error_data();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			if ( isset( $error_data['code'] ) && $error_data['code'] == 401 ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                				return new WP_Error(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                					'getpaid_maxmind_geolocation_database_license_key',  | 
            
            
                                                                        
                            
            
                                    
            
            
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                					__( 'The MaxMind license key is invalid. If you have recently created this key, you may need to wait for it to become active.', 'invoicing' )  | 
            
            
                                                                        
                            
            
                                    
            
            
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                				);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return new WP_Error( 'getpaid_maxmind_geolocation_database_download', __( 'Failed to download the MaxMind database.', 'invoicing' ) );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		// Extract the database from the archive.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return $this->extract_downloaded_database( $tmp_archive_path );  | 
            
                            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Extracts the downloaded database.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $tmp_archive_path The database archive path.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string|WP_Error The path to the database file or an error if invalid.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected function extract_downloaded_database( $tmp_archive_path ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Extract the database from the archive.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$file              = new PharData( $tmp_archive_path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$tmp_database_path = trailingslashit( dirname( $tmp_archive_path ) ) . trailingslashit( $file->current()->getFilename() ) . self::DATABASE . self::DATABASE_EXTENSION;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$file->extractTo(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				dirname( $tmp_archive_path ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				trailingslashit( $file->current()->getFilename() ) . self::DATABASE . self::DATABASE_EXTENSION,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				true  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} catch ( Exception $exception ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return new WP_Error( 'invoicing_maxmind_geolocation_database_archive', $exception->getMessage() );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} finally { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			// Remove the archive since we only care about a single file in it.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			unlink( $tmp_archive_path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $tmp_database_path;  | 
            
                            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Fetches the ISO country code associated with an IP address.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                	 * @param string $ip_address The IP address to find the country code for.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                	 * @return string The country code for the IP address, or empty if not found.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                	public function get_iso_country_code_for_ip( $ip_address ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                		$country_code = '';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                		if ( ! class_exists( 'MaxMind\Db\Reader' ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                			return $country_code;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                		$database_path = $this->get_database_path();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                		if ( ! file_exists( $database_path ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                			return $country_code;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                		try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                			$reader = new MaxMind\Db\Reader( $database_path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                			$data   = $reader->get( $ip_address );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                			if ( isset( $data['country']['iso_code'] ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                				$country_code = $data['country']['iso_code'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                			$reader->close();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                		} catch ( Exception $e ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                			wpinv_error_log( $e->getMessage(), 'SOURCE: MaxMind GeoLocation' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                		return $country_code;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                 |