WP_Filesystem_ftpsockets

16class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {17 18	/**19	 * @since 2.5.020	 * @var ftp21	 */22	public $ftp;23 24	/**25	 * Constructor.26	 *27	 * @since 2.5.028	 *29	 * @param array $opt30	 */31	public function __construct( $opt = '' ) {32		$this->method = 'ftpsockets';33		$this->errors = new WP_Error();34 35		// Check if possible to use ftp functions.36		if ( ! require_once ABSPATH . 'wp-admin/includes/class-ftp.php' ) {37			return;38		}39 40		$this->ftp = new ftp();41 42		if ( empty( $opt['port'] ) ) {43			$this->options['port'] = 21;44		} else {45			$this->options['port'] = (int) $opt['port'];46		}47 48		if ( empty( $opt['hostname'] ) ) {49			$this->errors->add( 'empty_hostname', __( 'FTP hostname is required' ) );50		} else {51			$this->options['hostname'] = $opt['hostname'];52		}53 54		// Check if the options provided are OK.55		if ( empty( $opt['username'] ) ) {56			$this->errors->add( 'empty_username', __( 'FTP username is required' ) );57		} else {58			$this->options['username'] = $opt['username'];59		}60 61		if ( empty( $opt['password'] ) ) {62			$this->errors->add( 'empty_password', __( 'FTP password is required' ) );63		} else {64			$this->options['password'] = $opt['password'];65		}66	}67 68	/**69	 * Connects filesystem.70	 *71	 * @since 2.5.072	 *73	 * @return bool True on success, false on failure.74	 */75	public function connect() {76		if ( ! $this->ftp ) {77			return false;78		}79 80		$this->ftp->setTimeout( FS_CONNECT_TIMEOUT );81 82		if ( ! $this->ftp->SetServer( $this->options['hostname'], $this->options['port'] ) ) {83			$this->errors->add(84				'connect',85				sprintf(86					/* translators: %s: hostname:port */87					__( 'Failed to connect to FTP Server %s' ),88					$this->options['hostname'] . ':' . $this->options['port']89				)90			);91 92			return false;93		}94 95		if ( ! $this->ftp->connect() ) {