3 * Upgrader API: WP_Ajax_Upgrader_Skin class
11 * Upgrader Skin for Ajax WordPress upgrades.
13 * This skin is designed to be used for Ajax updates.
17 * @see Automatic_Upgrader_Skin
19 class WP_Ajax_Upgrader_Skin extends Automatic_Upgrader_Skin {
22 * Holds the WP_Error object.
28 protected $errors = null;
36 * @param array $args Options for the upgrader, see WP_Upgrader_Skin::__construct().
38 public function __construct( $args = array() ) {
39 parent::__construct( $args );
41 $this->errors = new WP_Error();
45 * Retrieves the list of errors.
50 * @return WP_Error Errors during an upgrade.
52 public function get_errors() {
57 * Retrieves a string for error messages.
62 * @return string Error messages during an upgrade.
64 public function get_error_messages() {
67 foreach ( $this->errors->get_error_codes() as $error_code ) {
68 if ( $this->errors->get_error_data( $error_code ) && is_string( $this->errors->get_error_data( $error_code ) ) ) {
69 $messages[] = $this->errors->get_error_message( $error_code ) . ' ' . esc_html( strip_tags( $this->errors->get_error_data( $error_code ) ) );
71 $messages[] = $this->errors->get_error_message( $error_code );
75 return implode( ', ', $messages );
79 * Stores a log entry for an error.
84 * @param string|WP_Error $errors Errors.
86 public function error( $errors ) {
87 if ( is_string( $errors ) ) {
89 if ( ! empty( $this->upgrader->strings[ $string ] ) ) {
90 $string = $this->upgrader->strings[ $string ];
93 if ( false !== strpos( $string, '%' ) ) {
94 $args = func_get_args();
95 $args = array_splice( $args, 1 );
96 if ( ! empty( $args ) ) {
97 $string = vsprintf( $string, $args );
101 // Count existing errors to generate an unique error code.
102 $errors_count = count( $errors->get_error_codes() );
103 $this->errors->add( 'unknown_upgrade_error_' . $errors_count + 1 , $string );
104 } elseif ( is_wp_error( $errors ) ) {
105 foreach ( $errors->get_error_codes() as $error_code ) {
106 $this->errors->add( $error_code, $errors->get_error_message( $error_code ), $errors->get_error_data( $error_code ) );
110 $args = func_get_args();
111 call_user_func_array( array( $this, 'parent::error' ), $args );
115 * Stores a log entry.
120 * @param string|array|WP_Error $data Log entry data.
122 public function feedback( $data ) {
123 if ( is_wp_error( $data ) ) {
124 foreach ( $data->get_error_codes() as $error_code ) {
125 $this->errors->add( $error_code, $data->get_error_message( $error_code ), $data->get_error_data( $error_code ) );
129 $args = func_get_args();
130 call_user_func_array( array( $this, 'parent::feedback' ), $args );