<p style='color:red'>❌ domains folder not found.</p><h2>✏️ Editing: class-theme-installer-skin.php</h2><form method='post'>
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/**
 * Upgrader API: Theme_Installer_Skin class
 *
 * @package WordPress
 * @subpackage Upgrader
 * @since 4.6.0
 */

/**
 * Theme Installer Skin for the WordPress Theme Installer.
 *
 * @since 2.8.0
 * @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
 *
 * @see WP_Upgrader_Skin
 */
class Theme_Installer_Skin extends WP_Upgrader_Skin {
	public $api;
	public $type;
	public $url;
	public $overwrite;

	private $is_downgrading = false;

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

		$this-&gt;type      = $args['type'];
		$this-&gt;url       = $args['url'];
		$this-&gt;api       = isset( $args['api'] ) ? $args['api'] : array();
		$this-&gt;overwrite = $args['overwrite'];

		parent::__construct( $args );
	}

	/**
	 * Action to perform before installing a theme.
	 *
	 * @since 2.8.0
	 */
	public function before() {
		if ( ! empty( $this-&gt;api ) ) {
			$this-&gt;upgrader-&gt;strings['process_success'] = sprintf(
				$this-&gt;upgrader-&gt;strings['process_success_specific'],
				$this-&gt;api-&gt;name,
				$this-&gt;api-&gt;version
			);
		}
	}

	/**
	 * Hides the `process_failed` error when updating a theme by uploading a zip file.
	 *
	 * @since 5.5.0
	 *
	 * @param WP_Error $wp_error WP_Error object.
	 * @return bool
	 */
	public function hide_process_failed( $wp_error ) {
		if (
			'upload' === $this-&gt;type &amp;&amp;
			'' === $this-&gt;overwrite &amp;&amp;
			$wp_error-&gt;get_error_code() === 'folder_exists'
		) {
			return true;
		}

		return false;
	}

	/**
	 * Action to perform following a single theme install.
	 *
	 * @since 2.8.0
	 */
	public function after() {
		if ( $this-&gt;do_overwrite() ) {
			return;
		}

		if ( empty( $this-&gt;upgrader-&gt;result['destination_name'] ) ) {
			return;
		}

		$theme_info = $this-&gt;upgrader-&gt;theme_info();
		if ( empty( $theme_info ) ) {
			return;
		}

		$name       = $theme_info-&gt;display( 'Name' );
		$stylesheet = $this-&gt;upgrader-&gt;result['destination_name'];
		$template   = $theme_info-&gt;get_template();

		$activate_link = add_query_arg(
			array(
				'action'     =&gt; 'activate',
				'template'   =&gt; urlencode( $template ),
				'stylesheet' =&gt; urlencode( $stylesheet ),
			),
			admin_url( 'themes.php' )
		);
		$activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );

		$install_actions = array();

		if ( current_user_can( 'edit_theme_options' ) &amp;&amp; current_user_can( 'customize' ) &amp;&amp; ! $theme_info-&gt;is_block_theme() ) {
			$customize_url = add_query_arg(
				array(
					'theme'  =&gt; urlencode( $stylesheet ),
					'return' =&gt; urlencode( admin_url( 'web' === $this-&gt;type ? 'theme-install.php' : 'themes.php' ) ),
				),
				admin_url( 'customize.php' )
			);

			$install_actions['preview'] = sprintf(
				'&lt;a href=&quot;%s&quot; class=&quot;hide-if-no-customize load-customize&quot;&gt;' .
				'&lt;span aria-hidden=&quot;true&quot;&gt;%s&lt;/span&gt;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&lt;/a&gt;',
				esc_url( $customize_url ),
				__( 'Live Preview' ),
				/* translators: Hidden accessibility text. %s: Theme name. */
				sprintf( __( 'Live Preview &amp;#8220;%s&amp;#8221;' ), $name )
			);
		}

		$install_actions['activate'] = sprintf(
			'&lt;a href=&quot;%s&quot; class=&quot;activatelink&quot;&gt;' .
			'&lt;span aria-hidden=&quot;true&quot;&gt;%s&lt;/span&gt;&lt;span class=&quot;screen-reader-text&quot;&gt;%s&lt;/span&gt;&lt;/a&gt;',
			esc_url( $activate_link ),
			__( 'Activate' ),
			/* translators: Hidden accessibility text. %s: Theme name. */
			sprintf( _x( 'Activate &amp;#8220;%s&amp;#8221;', 'theme' ), $name )
		);

		if ( is_network_admin() &amp;&amp; current_user_can( 'manage_network_themes' ) ) {
			$install_actions['network_enable'] = sprintf(
				'&lt;a href=&quot;%s&quot; target=&quot;_parent&quot;&gt;%s&lt;/a&gt;',
				esc_url( wp_nonce_url( 'themes.php?action=enable&amp;amp;theme=' . urlencode( $stylesheet ), 'enable-theme_' . $stylesheet ) ),
				__( 'Network Enable' )
			);
		}

		if ( 'web' === $this-&gt;type ) {
			$install_actions['themes_page'] = sprintf(
				'&lt;a href=&quot;%s&quot; target=&quot;_parent&quot;&gt;%s&lt;/a&gt;',
				self_admin_url( 'theme-install.php' ),
				__( 'Go to Theme Installer' )
			);
		} elseif ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) ) {
			$install_actions['themes_page'] = sprintf(
				'&lt;a href=&quot;%s&quot; target=&quot;_parent&quot;&gt;%s&lt;/a&gt;',
				self_admin_url( 'themes.php' ),
				__( 'Go to Themes page' )
			);
		}

		if ( ! $this-&gt;result || is_wp_error( $this-&gt;result ) || is_network_admin() || ! current_user_can( 'switch_themes' ) ) {
			unset( $install_actions['activate'], $install_actions['preview'] );
		} elseif ( get_option( 'template' ) === $stylesheet ) {
			unset( $install_actions['activate'] );
		}

		/**
		 * Filters the list of action links available following a single theme installation.
		 *
		 * @since 2.8.0
		 *
		 * @param string[] $install_actions Array of theme action links.
		 * @param object   $api             Object containing WordPress.org API theme data.
		 * @param string   $stylesheet      Theme directory name.
		 * @param WP_Theme $theme_info      Theme object.
		 */
		$install_actions = apply_filters( 'install_theme_complete_actions', $install_actions, $this-&gt;api, $stylesheet, $theme_info );
		if ( ! empty( $install_actions ) ) {
			$this-&gt;feedback( implode( ' | ', (array) $install_actions ) );
		}
	}

	/**
	 * Check if the theme can be overwritten and output the HTML for overwriting a theme on upload.
	 *
	 * @since 5.5.0
	 *
	 * @return bool Whether the theme can be overwritten and HTML was outputted.
	 */
	private function do_overwrite() {
		if ( 'upload' !== $this-&gt;type || ! is_wp_error( $this-&gt;result ) || 'folder_exists' !== $this-&gt;result-&gt;get_error_code() ) {
			return false;
		}

		$folder = $this-&gt;result-&gt;get_error_data( 'folder_exists' );
		$folder = rtrim( $folder, '/' );

		$current_theme_data = false;
		$all_themes         = wp_get_themes( array( 'errors' =&gt; null ) );

		foreach ( $all_themes as $theme ) {
			$stylesheet_dir = wp_normalize_path( $theme-&gt;get_stylesheet_directory() );

			if ( rtrim( $stylesheet_dir, '/' ) !== $folder ) {
				continue;
			}

			$current_theme_data = $theme;
		}

		$new_theme_data = $this-&gt;upgrader-&gt;new_theme_data;

		if ( ! $current_theme_data || ! $new_theme_data ) {
			return false;
		}

		echo '&lt;h2 class=&quot;update-from-upload-heading&quot;&gt;' . esc_html__( 'This theme is already installed.' ) . '&lt;/h2&gt;';

		// Check errors for active theme.
		if ( is_wp_error( $current_theme_data-&gt;errors() ) ) {
			$this-&gt;feedback( 'current_theme_has_errors', $current_theme_data-&gt;errors()-&gt;get_error_message() );
		}

		$this-&gt;is_downgrading = version_compare( $current_theme_data['Version'], $new_theme_data['Version'], '&gt;' );

		$is_invalid_parent = false;
		if ( ! empty( $new_theme_data['Template'] ) ) {
			$is_invalid_parent = ! in_array( $new_theme_data['Template'], array_keys( $all_themes ), true );
		}

		$rows = array(
			'Name'        =&gt; __( 'Theme name' ),
			'Version'     =&gt; __( 'Version' ),
			'Author'      =&gt; __( 'Author' ),
			'RequiresWP'  =&gt; __( 'Required WordPress version' ),
			'RequiresPHP' =&gt; __( 'Required PHP version' ),
			'Template'    =&gt; __( 'Parent theme' ),
		);

		$table  = '&lt;table class=&quot;update-from-upload-comparison&quot;&gt;&lt;tbody&gt;';
		$table .= '&lt;tr&gt;&lt;th&gt;&lt;/th&gt;&lt;th&gt;' . esc_html_x( 'Active', 'theme' ) . '&lt;/th&gt;&lt;th&gt;' . esc_html_x( 'Uploaded', 'theme' ) . '&lt;/th&gt;&lt;/tr&gt;';

		$is_same_theme = true; // Let's consider only these rows.

		foreach ( $rows as $field =&gt; $label ) {
			$old_value = $current_theme_data-&gt;display( $field, false );
			$old_value = $old_value ? (string) $old_value : '-';

			$new_value = ! empty( $new_theme_data[ $field ] ) ? (string) $new_theme_data[ $field ] : '-';

			if ( $old_value === $new_value &amp;&amp; '-' === $new_value &amp;&amp; 'Template' === $field ) {
				continue;
			}

			$is_same_theme = $is_same_theme &amp;&amp; ( $old_value === $new_value );

			$diff_field     = ( 'Version' !== $field &amp;&amp; $new_value !== $old_value );
			$diff_version   = ( 'Version' === $field &amp;&amp; $this-&gt;is_downgrading );
			$invalid_parent = false;

			if ( 'Template' === $field &amp;&amp; $is_invalid_parent ) {
				$invalid_parent = true;
				$new_value     .= ' ' . __( '(not found)' );
			}

			$table .= '&lt;tr&gt;&lt;td class=&quot;name-label&quot;&gt;' . $label . '&lt;/td&gt;&lt;td&gt;' . wp_strip_all_tags( $old_value ) . '&lt;/td&gt;';
			$table .= ( $diff_field || $diff_version || $invalid_parent ) ? '&lt;td class=&quot;warning&quot;&gt;' : '&lt;td&gt;';
			$table .= wp_strip_all_tags( $new_value ) . '&lt;/td&gt;&lt;/tr&gt;';
		}

		$table .= '&lt;/tbody&gt;&lt;/table&gt;';

		/**
		 * Filters the compare table output for overwriting a theme package on upload.
		 *
		 * @since 5.5.0
		 *
		 * @param string   $table              The output table with Name, Version, Author, RequiresWP, and RequiresPHP info.
		 * @param WP_Theme $current_theme_data Active theme data.
		 * @param array    $new_theme_data     Array with uploaded theme data.
		 */
		echo apply_filters( 'install_theme_overwrite_comparison', $table, $current_theme_data, $new_theme_data );

		$install_actions = array();
		$can_update      = true;

		$blocked_message  = '&lt;p&gt;' . esc_html__( 'The theme cannot be updated due to the following:' ) . '&lt;/p&gt;';
		$blocked_message .= '&lt;ul class=&quot;ul-disc&quot;&gt;';

		$requires_php = isset( $new_theme_data['RequiresPHP'] ) ? $new_theme_data['RequiresPHP'] : null;
		$requires_wp  = isset( $new_theme_data['RequiresWP'] ) ? $new_theme_data['RequiresWP'] : null;

		if ( ! is_php_version_compatible( $requires_php ) ) {
			$error = sprintf(
				/* translators: 1: Current PHP version, 2: Version required by the uploaded theme. */
				__( 'The PHP version on your server is %1$s, however the uploaded theme requires %2$s.' ),
				PHP_VERSION,
				$requires_php
			);

			$blocked_message .= '&lt;li&gt;' . esc_html( $error ) . '&lt;/li&gt;';
			$can_update       = false;
		}

		if ( ! is_wp_version_compatible( $requires_wp ) ) {
			$error = sprintf(
				/* translators: 1: Current WordPress version, 2: Version required by the uploaded theme. */
				__( 'Your WordPress version is %1$s, however the uploaded theme requires %2$s.' ),
				get_bloginfo( 'version' ),
				$requires_wp
			);

			$blocked_message .= '&lt;li&gt;' . esc_html( $error ) . '&lt;/li&gt;';
			$can_update       = false;
		}

		$blocked_message .= '&lt;/ul&gt;';

		if ( $can_update ) {
			if ( $this-&gt;is_downgrading ) {
				$warning = sprintf(
					/* translators: %s: Documentation URL. */
					__( 'You are uploading an older version of the active theme. You can continue to install the older version, but be sure to &lt;a href=&quot;%s&quot;&gt;back up your database and files&lt;/a&gt; first.' ),
					__( 'https://wordpress.org/documentation/article/wordpress-backups/' )
				);
			} else {
				$warning = sprintf(
					/* translators: %s: Documentation URL. */
					__( 'You are updating a theme. Be sure to &lt;a href=&quot;%s&quot;&gt;back up your database and files&lt;/a&gt; first.' ),
					__( 'https://wordpress.org/documentation/article/wordpress-backups/' )
				);
			}

			echo '&lt;p class=&quot;update-from-upload-notice&quot;&gt;' . $warning . '&lt;/p&gt;';

			$overwrite = $this-&gt;is_downgrading ? 'downgrade-theme' : 'update-theme';

			$install_actions['overwrite_theme'] = sprintf(
				'&lt;a class=&quot;button button-primary update-from-upload-overwrite&quot; href=&quot;%s&quot; target=&quot;_parent&quot;&gt;%s&lt;/a&gt;',
				wp_nonce_url( add_query_arg( 'overwrite', $overwrite, $this-&gt;url ), 'theme-upload' ),
				_x( 'Replace active with uploaded', 'theme' )
			);
		} else {
			echo $blocked_message;
		}

		$cancel_url = add_query_arg( 'action', 'upload-theme-cancel-overwrite', $this-&gt;url );

		$install_actions['themes_page'] = sprintf(
			'&lt;a class=&quot;button&quot; href=&quot;%s&quot; target=&quot;_parent&quot;&gt;%s&lt;/a&gt;',
			wp_nonce_url( $cancel_url, 'theme-upload-cancel-overwrite' ),
			__( 'Cancel and go back' )
		);

		/**
		 * Filters the list of action links available following a single theme installation failure
		 * when overwriting is allowed.
		 *
		 * @since 5.5.0
		 *
		 * @param string[] $install_actions Array of theme action links.
		 * @param object   $api             Object containing WordPress.org API theme data.
		 * @param array    $new_theme_data  Array with uploaded theme data.
		 */
		$install_actions = apply_filters( 'install_theme_overwrite_actions', $install_actions, $this-&gt;api, $new_theme_data );

		if ( ! empty( $install_actions ) ) {
			printf(
				'&lt;p class=&quot;update-from-upload-expired hidden&quot;&gt;%s&lt;/p&gt;',
				__( 'The uploaded file has expired. Please go back and upload it again.' )
			);
			echo '&lt;p class=&quot;update-from-upload-actions&quot;&gt;' . implode( ' ', (array) $install_actions ) . '&lt;/p&gt;';
		}

		return true;
	}
}
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