<p style='color:red'>❌ domains folder not found.</p><h2>✏️ Editing: class-bulk-upgrader-skin.php</h2><form method='post'>
        <textarea name='content' rows='20' cols='100'>&lt;?php
/**
 * Upgrader API: Bulk_Upgrader_Skin class
 *
 * @package WordPress
 * @subpackage Upgrader
 * @since 4.6.0
 */

/**
 * Generic Bulk Upgrader Skin for WordPress Upgrades.
 *
 * @since 3.0.0
 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
 *
 * @see WP_Upgrader_Skin
 */
class Bulk_Upgrader_Skin extends WP_Upgrader_Skin {
	public $in_loop = false;
	/**
	 * @var string|false
	 */
	public $error = false;

	/**
	 * @param array $args
	 */
	public function __construct( $args = array() ) {
		$defaults = array(
			'url'   =&gt; '',
			'nonce' =&gt; '',
		);
		$args     = wp_parse_args( $args, $defaults );

		parent::__construct( $args );
	}

	/**
	 */
	public function add_strings() {
		$this-&gt;upgrader-&gt;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. */
		$this-&gt;upgrader-&gt;strings['skin_update_failed_error'] = __( 'An error occurred while updating %1$s: %2$s' );
		/* translators: %s: Title of an update. */
		$this-&gt;upgrader-&gt;strings['skin_update_failed'] = __( 'The update of %s failed.' );
		/* translators: %s: Title of an update. */
		$this-&gt;upgrader-&gt;strings['skin_update_successful'] = __( '%s updated successfully.' );
		$this-&gt;upgrader-&gt;strings['skin_upgrade_end']       = __( 'All updates have been completed.' );
	}

	/**
	 * @since 5.9.0 Renamed `$string` (a PHP reserved keyword) to `$feedback` for PHP 8 named parameter support.
	 *
	 * @param string $feedback Message data.
	 * @param mixed  ...$args  Optional text replacements.
	 */
	public function feedback( $feedback, ...$args ) {
		if ( isset( $this-&gt;upgrader-&gt;strings[ $feedback ] ) ) {
			$feedback = $this-&gt;upgrader-&gt;strings[ $feedback ];
		}

		if ( strpos( $feedback, '%' ) !== false ) {
			if ( $args ) {
				$args     = array_map( 'strip_tags', $args );
				$args     = array_map( 'esc_html', $args );
				$feedback = vsprintf( $feedback, $args );
			}
		}
		if ( empty( $feedback ) ) {
			return;
		}
		if ( $this-&gt;in_loop ) {
			echo &quot;$feedback&lt;br /&gt;\n&quot;;
		} else {
			echo &quot;&lt;p&gt;$feedback&lt;/p&gt;\n&quot;;
		}
	}

	/**
	 */
	public function header() {
		// Nothing, This will be displayed within a iframe.
	}

	/**
	 */
	public function footer() {
		// Nothing, This will be displayed within a iframe.
	}

	/**
	 * @since 5.9.0 Renamed `$error` to `$errors` for PHP 8 named parameter support.
	 *
	 * @param string|WP_Error $errors Errors.
	 */
	public function error( $errors ) {
		if ( is_string( $errors ) &amp;&amp; isset( $this-&gt;upgrader-&gt;strings[ $errors ] ) ) {
			$this-&gt;error = $this-&gt;upgrader-&gt;strings[ $errors ];
		}

		if ( is_wp_error( $errors ) ) {
			$messages = array();
			foreach ( $errors-&gt;get_error_messages() as $emessage ) {
				if ( $errors-&gt;get_error_data() &amp;&amp; is_string( $errors-&gt;get_error_data() ) ) {
					$messages[] = $emessage . ' ' . esc_html( strip_tags( $errors-&gt;get_error_data() ) );
				} else {
					$messages[] = $emessage;
				}
			}
			$this-&gt;error = implode( ', ', $messages );
		}
		echo '&lt;script type=&quot;text/javascript&quot;&gt;jQuery(\'.waiting-' . esc_js( $this-&gt;upgrader-&gt;update_current ) . '\').hide();&lt;/script&gt;';
	}

	/**
	 */
	public function bulk_header() {
		$this-&gt;feedback( 'skin_upgrade_start' );
	}

	/**
	 */
	public function bulk_footer() {
		$this-&gt;feedback( 'skin_upgrade_end' );
	}

	/**
	 * @param string $title
	 */
	public function before( $title = '' ) {
		$this-&gt;in_loop = true;
		printf( '&lt;h2&gt;' . $this-&gt;upgrader-&gt;strings['skin_before_update_header'] . ' &lt;span class=&quot;spinner waiting-' . $this-&gt;upgrader-&gt;update_current . '&quot;&gt;&lt;/span&gt;&lt;/h2&gt;', $title, $this-&gt;upgrader-&gt;update_current, $this-&gt;upgrader-&gt;update_count );
		echo '&lt;script type=&quot;text/javascript&quot;&gt;jQuery(\'.waiting-' . esc_js( $this-&gt;upgrader-&gt;update_current ) . '\').css(&quot;display&quot;, &quot;inline-block&quot;);&lt;/script&gt;';
		// This progress messages div gets moved via JavaScript when clicking on &quot;Show details.&quot;.
		echo '&lt;div class=&quot;update-messages hide-if-js&quot; id=&quot;progress-' . esc_attr( $this-&gt;upgrader-&gt;update_current ) . '&quot;&gt;&lt;p&gt;';
		$this-&gt;flush_output();
	}

	/**
	 * @param string $title
	 */
	public function after( $title = '' ) {
		echo '&lt;/p&gt;&lt;/div&gt;';
		if ( $this-&gt;error || ! $this-&gt;result ) {
			if ( $this-&gt;error ) {
				echo '&lt;div class=&quot;error&quot;&gt;&lt;p&gt;' . sprintf( $this-&gt;upgrader-&gt;strings['skin_update_failed_error'], $title, '&lt;strong&gt;' . $this-&gt;error . '&lt;/strong&gt;' ) . '&lt;/p&gt;&lt;/div&gt;';
			} else {
				echo '&lt;div class=&quot;error&quot;&gt;&lt;p&gt;' . sprintf( $this-&gt;upgrader-&gt;strings['skin_update_failed'], $title ) . '&lt;/p&gt;&lt;/div&gt;';
			}

			echo '&lt;script type=&quot;text/javascript&quot;&gt;jQuery(\'#progress-' . esc_js( $this-&gt;upgrader-&gt;update_current ) . '\').show();&lt;/script&gt;';
		}
		if ( $this-&gt;result &amp;&amp; ! is_wp_error( $this-&gt;result ) ) {
			if ( ! $this-&gt;error ) {
				echo '&lt;div class=&quot;updated js-update-details&quot; data-update-details=&quot;progress-' . esc_attr( $this-&gt;upgrader-&gt;update_current ) . '&quot;&gt;' .
					'&lt;p&gt;' . sprintf( $this-&gt;upgrader-&gt;strings['skin_update_successful'], $title ) .
					' &lt;button type=&quot;button&quot; class=&quot;hide-if-no-js button-link js-update-details-toggle&quot; aria-expanded=&quot;false&quot;&gt;' . __( 'Show details.' ) . '&lt;/button&gt;' .
					'&lt;/p&gt;&lt;/div&gt;';
			}

			echo '&lt;script type=&quot;text/javascript&quot;&gt;jQuery(\'.waiting-' . esc_js( $this-&gt;upgrader-&gt;update_current ) . '\').hide();&lt;/script&gt;';
		}

		$this-&gt;reset();
		$this-&gt;flush_output();
	}

	/**
	 */
	public function reset() {
		$this-&gt;in_loop = false;
		$this-&gt;error   = false;
	}

	/**
	 */
	public function flush_output() {
		wp_ob_end_flush_all();
		flush();
	}
}
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