' . __('You can use the Theme Editor to edit the individual CSS and PHP files which make up your theme.') . '
' . __("Begin by choosing a theme to edit from the dropdown menu and clicking Select. A list then appears of the theme's template files. Clicking once on any file name causes the file to appear in the large Editor box.") . '
' . __('For PHP files, you can use the Documentation dropdown to select from functions recognized in that file. Look Up takes you to a web page with reference material about that particular function.') . '
' . __( 'In the editing area the Tab key enters a tab character. To move below this area by pressing Tab, press the Esc key followed by the Tab key. In some cases the Esc key will need to be pressed twice before the Tab key will allow you to continue.' ) . '
' . __('After typing in your edits, click Update File.') . '
' . __('Advice: think very carefully about your site crashing if you are live-editing the theme currently in use.') . '
' . sprintf( __('Upgrading to a newer version of the same theme will override changes made here. To avoid this, consider creating a child theme instead.'), __('https://codex.wordpress.org/Child_Themes') ) . '
' . ( is_network_admin() ? '' . __('Any edits to files from this screen will be reflected on all sites in the network.') . '
' : '' ) ) ); get_current_screen()->set_help_sidebar( '' . __('For more information:') . '
' . '' . __('Documentation on Theme Development') . '
' . '' . __('Documentation on Using Themes') . '
' . '' . __('Documentation on Editing Files') . '
' . '' . __('Documentation on Template Tags') . '
' . '' . __('Support Forums') . '
' ); wp_reset_vars( array( 'action', 'error', 'file', 'theme' ) ); if ( $theme ) { $stylesheet = $theme; } else { $stylesheet = get_stylesheet(); } $theme = wp_get_theme( $stylesheet ); if ( ! $theme->exists() ) { wp_die( __( 'The requested theme does not exist.' ) ); } if ( $theme->errors() && 'theme_no_stylesheet' == $theme->errors()->get_error_code() ) { wp_die( __( 'The requested theme does not exist.' ) . ' ' . $theme->errors()->get_error_message() ); } $allowed_files = $style_files = array(); $has_templates = false; $default_types = array( 'php', 'css' ); /** * Filter the list of file types allowed for editing in the Theme editor. * * @since 4.4.0 * * @param array $default_types List of file types. Default types include 'php' and 'css'. * @param WP_Theme $theme The current Theme object. */ $file_types = apply_filters( 'wp_theme_editor_filetypes', $default_types, $theme ); // Ensure that default types are still there. $file_types = array_unique( array_merge( $file_types, $default_types ) ); foreach ( $file_types as $type ) { switch ( $type ) { case 'php': $allowed_files += $theme->get_files( 'php', 1 ); $has_templates = ! empty( $allowed_files ); break; case 'css': $style_files = $theme->get_files( 'css' ); $allowed_files['style.css'] = $style_files['style.css']; $allowed_files += $style_files; break; default: $allowed_files += $theme->get_files( $type ); break; } } if ( empty( $file ) ) { $relative_file = 'style.css'; $file = $allowed_files['style.css']; } else { $relative_file = $file; $file = $theme->get_stylesheet_directory() . '/' . $relative_file; } validate_file_to_edit( $file, $allowed_files ); $scrollto = isset( $_REQUEST['scrollto'] ) ? (int) $_REQUEST['scrollto'] : 0; switch( $action ) { case 'update': check_admin_referer( 'edit-theme_' . $file . $stylesheet ); $newcontent = wp_unslash( $_POST['newcontent'] ); $location = 'theme-editor.php?file=' . urlencode( $relative_file ) . '&theme=' . urlencode( $stylesheet ) . '&scrollto=' . $scrollto; if ( is_writeable( $file ) ) { // is_writable() not always reliable, check return value. see comments @ http://uk.php.net/is_writable $f = fopen( $file, 'w+' ); if ( $f !== false ) { fwrite( $f, $newcontent ); fclose( $f ); $location .= '&updated=true'; $theme->cache_delete(); } } wp_redirect( $location ); exit; default: require_once( ABSPATH . 'wp-admin/admin-header.php' ); update_recently_edited( $file ); if ( ! is_file( $file ) ) $error = true; $content = ''; if ( ! $error && filesize( $file ) > 0 ) { $f = fopen($file, 'r'); $content = fread($f, filesize($file)); if ( '.php' == substr( $file, strrpos( $file, '.' ) ) ) { $functions = wp_doc_link_parse( $content ); $docs_select = ''; } $content = esc_textarea( $content ); } if ( isset( $_GET['updated'] ) ) : ?>' . __( 'This theme is broken.' ) . ' ' . $theme->errors()->get_error_message() . '
' . sprintf( __( 'This child theme inherits templates from a parent theme, %s.' ), sprintf( '%s', self_admin_url( 'theme-editor.php?theme=' . urlencode( $theme->get_template() ) ), $theme->parent()->display( 'Name' ) ) ) . "
\n"; } endif; break; case '.css': echo "\t' . __('Oops, no such file exists! Double check the name and try again, merci.') . '