diff -r c7c34916027a -r 177826044cd9 wp/wp-admin/includes/class-bulk-upgrader-skin.php
--- a/wp/wp-admin/includes/class-bulk-upgrader-skin.php	Mon Oct 14 18:06:33 2019 +0200
+++ b/wp/wp-admin/includes/class-bulk-upgrader-skin.php	Mon Oct 14 18:28:13 2019 +0200
@@ -23,52 +23,56 @@
 	public $error = false;
 
 	/**
-	 *
 	 * @param array $args
 	 */
-	public function __construct($args = array()) {
-		$defaults = array( 'url' => '', 'nonce' => '' );
-		$args = wp_parse_args($args, $defaults);
+	public function __construct( $args = array() ) {
+		$defaults = array(
+			'url'   => '',
+			'nonce' => '',
+		);
+		$args     = wp_parse_args( $args, $defaults );
 
-		parent::__construct($args);
+		parent::__construct( $args );
 	}
 
 	/**
 	 */
 	public function add_strings() {
-		$this->upgrader->strings['skin_upgrade_start'] = __('The update process is starting. This process may take a while on some hosts, so please be patient.');
+		$this->upgrader->strings['skin_upgrade_start'] = __( 'The update process is starting. This process may take a while on some hosts, so please be patient.' );
 		/* translators: 1: Title of an update, 2: Error message */
-		$this->upgrader->strings['skin_update_failed_error'] = __('An error occurred while updating %1$s: %2$s');
-		/* translators: 1: Title of an update */
-		$this->upgrader->strings['skin_update_failed'] = __('The update of %1$s failed.');
-		/* translators: 1: Title of an update */
-		$this->upgrader->strings['skin_update_successful'] = __( '%1$s updated successfully.' );
-		$this->upgrader->strings['skin_upgrade_end'] = __('All updates have been completed.');
+		$this->upgrader->strings['skin_update_failed_error'] = __( 'An error occurred while updating %1$s: %2$s' );
+		/* translators: %s: Title of an update */
+		$this->upgrader->strings['skin_update_failed'] = __( 'The update of %s failed.' );
+		/* translators: %s: Title of an update */
+		$this->upgrader->strings['skin_update_successful'] = __( '%s updated successfully.' );
+		$this->upgrader->strings['skin_upgrade_end']       = __( 'All updates have been completed.' );
 	}
 
 	/**
-	 *
 	 * @param string $string
 	 */
-	public function feedback($string) {
-		if ( isset( $this->upgrader->strings[$string] ) )
-			$string = $this->upgrader->strings[$string];
+	public function feedback( $string ) {
+		if ( isset( $this->upgrader->strings[ $string ] ) ) {
+			$string = $this->upgrader->strings[ $string ];
+		}
 
-		if ( strpos($string, '%') !== false ) {
+		if ( strpos( $string, '%' ) !== false ) {
 			$args = func_get_args();
-			$args = array_splice($args, 1);
+			$args = array_splice( $args, 1 );
 			if ( $args ) {
-				$args = array_map( 'strip_tags', $args );
-				$args = array_map( 'esc_html', $args );
-				$string = vsprintf($string, $args);
+				$args   = array_map( 'strip_tags', $args );
+				$args   = array_map( 'esc_html', $args );
+				$string = vsprintf( $string, $args );
 			}
 		}
-		if ( empty($string) )
+		if ( empty( $string ) ) {
 			return;
-		if ( $this->in_loop )
+		}
+		if ( $this->in_loop ) {
 			echo "$string<br />\n";
-		else
+		} else {
 			echo "<p>$string</p>\n";
+		}
 	}
 
 	/**
@@ -84,65 +88,64 @@
 	}
 
 	/**
-	 *
 	 * @param string|WP_Error $error
 	 */
-	public function error($error) {
-		if ( is_string($error) && isset( $this->upgrader->strings[$error] ) )
-			$this->error = $this->upgrader->strings[$error];
+	public function error( $error ) {
+		if ( is_string( $error ) && isset( $this->upgrader->strings[ $error ] ) ) {
+			$this->error = $this->upgrader->strings[ $error ];
+		}
 
-		if ( is_wp_error($error) ) {
+		if ( is_wp_error( $error ) ) {
 			$messages = array();
 			foreach ( $error->get_error_messages() as $emessage ) {
-				if ( $error->get_error_data() && is_string( $error->get_error_data() ) )
+				if ( $error->get_error_data() && is_string( $error->get_error_data() ) ) {
 					$messages[] = $emessage . ' ' . esc_html( strip_tags( $error->get_error_data() ) );
-				else
+				} else {
 					$messages[] = $emessage;
+				}
 			}
-			$this->error = implode(', ', $messages);
+			$this->error = implode( ', ', $messages );
 		}
-		echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
+		echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').hide();</script>';
 	}
 
 	/**
 	 */
 	public function bulk_header() {
-		$this->feedback('skin_upgrade_start');
+		$this->feedback( 'skin_upgrade_start' );
 	}
 
 	/**
 	 */
 	public function bulk_footer() {
-		$this->feedback('skin_upgrade_end');
+		$this->feedback( 'skin_upgrade_end' );
 	}
 
 	/**
-	 *
 	 * @param string $title
 	 */
-	public function before($title = '') {
+	public function before( $title = '' ) {
 		$this->in_loop = true;
 		printf( '<h2>' . $this->upgrader->strings['skin_before_update_header'] . ' <span class="spinner waiting-' . $this->upgrader->update_current . '"></span></h2>', $title, $this->upgrader->update_current, $this->upgrader->update_count );
-		echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').css("display", "inline-block");</script>';
+		echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').css("display", "inline-block");</script>';
 		// This progress messages div gets moved via JavaScript when clicking on "Show details.".
-		echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr($this->upgrader->update_current) . '"><p>';
+		echo '<div class="update-messages hide-if-js" id="progress-' . esc_attr( $this->upgrader->update_current ) . '"><p>';
 		$this->flush_output();
 	}
 
 	/**
-	 *
 	 * @param string $title
 	 */
-	public function after($title = '') {
+	public function after( $title = '' ) {
 		echo '</p></div>';
 		if ( $this->error || ! $this->result ) {
 			if ( $this->error ) {
-				echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed_error'], $title, '<strong>' . $this->error . '</strong>' ) . '</p></div>';
+				echo '<div class="error"><p>' . sprintf( $this->upgrader->strings['skin_update_failed_error'], $title, '<strong>' . $this->error . '</strong>' ) . '</p></div>';
 			} else {
-				echo '<div class="error"><p>' . sprintf($this->upgrader->strings['skin_update_failed'], $title) . '</p></div>';
+				echo '<div class="error"><p>' . sprintf( $this->upgrader->strings['skin_update_failed'], $title ) . '</p></div>';
 			}
 
-			echo '<script type="text/javascript">jQuery(\'#progress-' . esc_js($this->upgrader->update_current) . '\').show();</script>';
+			echo '<script type="text/javascript">jQuery(\'#progress-' . esc_js( $this->upgrader->update_current ) . '\').show();</script>';
 		}
 		if ( $this->result && ! is_wp_error( $this->result ) ) {
 			if ( ! $this->error ) {
@@ -152,7 +155,7 @@
 					'</p></div>';
 			}
 
-			echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js($this->upgrader->update_current) . '\').hide();</script>';
+			echo '<script type="text/javascript">jQuery(\'.waiting-' . esc_js( $this->upgrader->update_current ) . '\').hide();</script>';
 		}
 
 		$this->reset();
@@ -163,7 +166,7 @@
 	 */
 	public function reset() {
 		$this->in_loop = false;
-		$this->error = false;
+		$this->error   = false;
 	}
 
 	/**