WordPress/wp-admin/theme-editor.php

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<?php
/**
* Theme editor administration panel.
*
* @package WordPress
* @subpackage Administration
*/
/** WordPress Administration Bootstrap */
require_once( dirname( __FILE__ ) . '/admin.php' );
if ( is_multisite() && ! is_network_admin() ) {
wp_redirect( network_admin_url( 'theme-editor.php' ) );
exit();
}
if ( ! current_user_can( 'edit_themes' ) ) {
wp_die( '<p>' . __( 'Sorry, you are not allowed to edit templates for this site.' ) . '</p>' );
}
$title = __( 'Edit Themes' );
$parent_file = 'themes.php';
get_current_screen()->add_help_tab(
array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' =>
'<p>' . __( 'You can use the theme editor to edit the individual CSS and PHP files which make up your theme.' ) . '</p>' .
'<p>' . __( 'Begin by choosing a theme to edit from the dropdown menu and clicking the Select button. A list then appears of the theme&#8217;s template files. Clicking once on any file name causes the file to appear in the large Editor box.' ) . '</p>' .
'<p>' . __( '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.' ) . '</p>' .
'<p id="editor-keyboard-trap-help-1">' . __( 'When using a keyboard to navigate:' ) . '</p>' .
'<ul>' .
'<li id="editor-keyboard-trap-help-2">' . __( 'In the editing area, the Tab key enters a tab character.' ) . '</li>' .
'<li id="editor-keyboard-trap-help-3">' . __( 'To move away from this area, press the Esc key followed by the Tab key.' ) . '</li>' .
'<li id="editor-keyboard-trap-help-4">' . __( 'Screen reader users: when in forms mode, you may need to press the Esc key twice.' ) . '</li>' .
'</ul>' .
'<p>' . __( 'After typing in your edits, click Update File.' ) . '</p>' .
'<p>' . __( '<strong>Advice:</strong> Think very carefully about your site crashing if you are live-editing the theme currently in use.' ) . '</p>' .
'<p>' . sprintf(
/* translators: %s: link to documentation on child themes */
__( 'Upgrading to a newer version of the same theme will override changes made here. To avoid this, consider creating a <a href="%s">child theme</a> instead.' ),
__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' )
) . '</p>' .
( is_network_admin() ? '<p>' . __( 'Any edits to files from this screen will be reflected on all sites in the network.' ) . '</p>' : '' ),
)
);
get_current_screen()->set_help_sidebar(
'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
'<p>' . __( '<a href="https://developer.wordpress.org/themes/">Documentation on Theme Development</a>' ) . '</p>' .
'<p>' . __( '<a href="https://wordpress.org/support/article/using-themes/">Documentation on Using Themes</a>' ) . '</p>' .
'<p>' . __( '<a href="https://wordpress.org/support/article/editing-files/">Documentation on Editing Files</a>' ) . '</p>' .
'<p>' . __( '<a href="https://developer.wordpress.org/themes/basics/template-tags/">Documentation on Template Tags</a>' ) . '</p>' .
'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
);
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 = array();
$style_files = array();
$has_templates = false;
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$file_types = wp_get_theme_file_editable_extensions( $theme );
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', -1 );
$allowed_files['style.css'] = $style_files['style.css'];
$allowed_files += $style_files;
break;
default:
$allowed_files += $theme->get_files( $type, -1 );
break;
}
}
// Move functions.php and style.css to the top.
if ( isset( $allowed_files['functions.php'] ) ) {
$allowed_files = array( 'functions.php' => $allowed_files['functions.php'] ) + $allowed_files;
}
if ( isset( $allowed_files['style.css'] ) ) {
$allowed_files = array( 'style.css' => $allowed_files['style.css'] ) + $allowed_files;
}
if ( empty( $file ) ) {
$relative_file = 'style.css';
$file = $allowed_files['style.css'];
} else {
$relative_file = wp_unslash( $file );
$file = $theme->get_stylesheet_directory() . '/' . $relative_file;
}
validate_file_to_edit( $file, $allowed_files );
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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// Handle fallback editing of file when JavaScript is not available.
$edit_error = null;
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$posted_content = null;
if ( 'POST' === $_SERVER['REQUEST_METHOD'] ) {
$r = wp_edit_theme_plugin_file( wp_unslash( $_POST ) );
if ( is_wp_error( $r ) ) {
$edit_error = $r;
if ( check_ajax_referer( 'edit-theme_' . $stylesheet . '_' . $relative_file, 'nonce', false ) && isset( $_POST['newcontent'] ) ) {
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$posted_content = wp_unslash( $_POST['newcontent'] );
}
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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} else {
wp_redirect(
add_query_arg(
array(
'a' => 1, // This means "success" for some reason.
'theme' => $stylesheet,
'file' => $relative_file,
),
admin_url( 'theme-editor.php' )
)
);
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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exit;
}
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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}
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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$settings = array(
'codeEditor' => wp_enqueue_code_editor( compact( 'file' ) ),
);
wp_enqueue_script( 'wp-theme-plugin-editor' );
wp_add_inline_script( 'wp-theme-plugin-editor', sprintf( 'jQuery( function( $ ) { wp.themePluginEditor.init( $( "#template" ), %s ); } )', wp_json_encode( $settings ) ) );
wp_add_inline_script( 'wp-theme-plugin-editor', 'wp.themePluginEditor.themeOrPlugin = "theme";' );
Editor: Add CodeMirror-powered code editor with syntax highlighting, linting, and auto-completion. * Code editor is integrated into the Theme/Plugin Editor, Additional CSS in Customizer, and Custom HTML widget. Code editor is not yet integrated into the post editor, and it may not be until accessibility concerns are addressed. * The CodeMirror component in the Custom HTML widget is integrated in a similar way to TinyMCE being integrated into the Text widget, adopting the same approach for integrating dynamic JavaScript-initialized fields. * Linting is performed for JS, CSS, HTML, and JSON via JSHint, CSSLint, HTMLHint, and JSONLint respectively. Linting is not yet supported for PHP. * When user lacks `unfiltered_html` the capability, the Custom HTML widget will report any Kses-invalid elements and attributes as errors via a custom Kses rule for HTMLHint. * When linting errors are detected, the user will be prevented from saving the code until the errors are fixed, reducing instances of broken websites. * The placeholder value is removed from Custom CSS in favor of a fleshed-out section description which now auto-expands when the CSS field is empty. See #39892. * The CodeMirror library is included as `wp.CodeMirror` to prevent conflicts with any existing `CodeMirror` global. * An `wp.codeEditor.initialize()` API in JS is provided to convert a `textarea` into CodeMirror, with a `wp_enqueue_code_editor()` function in PHP to manage enqueueing the assets and settings needed to edit a given type of code. * A user preference is added to manage whether or not "syntax highlighting" is enabled. The feature is opt-out, being enabled by default. * Allowed file extensions in the theme and plugin editors have been updated to include formats which CodeMirror has modes for: `conf`, `css`, `diff`, `patch`, `html`, `htm`, `http`, `js`, `json`, `jsx`, `less`, `md`, `php`, `phtml`, `php3`, `php4`, `php5`, `php7`, `phps`, `scss`, `sass`, `sh`, `bash`, `sql`, `svg`, `xml`, `yml`, `yaml`, `txt`. Props westonruter, georgestephanis, obenland, melchoyce, pixolin, mizejewski, michelleweber, afercia, grahamarmfield, samikeijonen, rianrietveld, iseulde. See #38707. Fixes #12423, #39892. Built from https://develop.svn.wordpress.org/trunk@41376 git-svn-id: http://core.svn.wordpress.org/trunk@41209 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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require_once( ABSPATH . 'wp-admin/admin-header.php' );
update_recently_edited( $file );
if ( ! is_file( $file ) ) {
$error = true;
}
$content = '';
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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if ( ! empty( $posted_content ) ) {
$content = $posted_content;
} elseif ( ! $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 = '<select name="docs-list" id="docs-list">';
$docs_select .= '<option value="">' . esc_attr__( 'Function Name&hellip;' ) . '</option>';
foreach ( $functions as $function ) {
$docs_select .= '<option value="' . esc_attr( urlencode( $function ) ) . '">' . htmlspecialchars( $function ) . '()</option>';
}
$docs_select .= '</select>';
}
$content = esc_textarea( $content );
}
$file_description = get_file_description( $relative_file );
$file_show = array_search( $file, array_filter( $allowed_files ) );
$description = esc_html( $file_description );
if ( $file_description != $file_show ) {
$description .= ' <span>(' . esc_html( $file_show ) . ')</span>';
}
?>
<div class="wrap">
<h1><?php echo esc_html( $title ); ?></h1>
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-04 02:20:45 +02:00
<?php if ( isset( $_GET['a'] ) ) : ?>
<div id="message" class="updated notice is-dismissible">
<p><?php _e( 'File edited successfully.' ); ?></p>
</div>
<?php elseif ( is_wp_error( $edit_error ) ) : ?>
<div id="message" class="notice notice-error">
<p><?php _e( 'There was an error while trying to update the file. You may need to fix something and try updating again.' ); ?></p>
<pre><?php echo esc_html( $edit_error->get_error_message() ? $edit_error->get_error_message() : $edit_error->get_error_code() ); ?></pre>
</div>
<?php endif; ?>
<?php if ( preg_match( '/\.css$/', $file ) ) : ?>
<div id="message" class="notice-info notice">
<p><strong><?php _e( 'Did you know?' ); ?></strong></p>
<p>
<?php
echo sprintf(
/* translators: %s: link to Custom CSS section in the Customizer */
__( 'There&#8217;s no need to change your CSS here &mdash; you can edit and live preview CSS changes in the <a href="%s">built-in CSS editor</a>.' ),
esc_url( add_query_arg( 'autofocus[section]', 'custom_css', admin_url( 'customize.php' ) ) )
);
?>
</p>
</div>
<?php endif; ?>
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-04 02:20:45 +02:00
<div class="fileedit-sub">
<div class="alignleft">
<h2>
<?php
echo $theme->display( 'Name' );
if ( $description ) {
echo ': ' . $description;}
?>
</h2>
</div>
<div class="alignright">
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-04 02:20:45 +02:00
<form action="theme-editor.php" method="get">
<strong><label for="theme"><?php _e( 'Select theme to edit:' ); ?> </label></strong>
<select name="theme" id="theme">
<?php
foreach ( wp_get_themes( array( 'errors' => null ) ) as $a_stylesheet => $a_theme ) {
if ( $a_theme->errors() && 'theme_no_stylesheet' == $a_theme->errors()->get_error_code() ) {
continue;
}
$selected = $a_stylesheet == $stylesheet ? ' selected="selected"' : '';
echo "\n\t" . '<option value="' . esc_attr( $a_stylesheet ) . '"' . $selected . '>' . $a_theme->display( 'Name' ) . '</option>';
}
?>
</select>
<?php submit_button( __( 'Select' ), '', 'Submit', false ); ?>
</form>
</div>
<br class="clear" />
</div>
<?php
if ( $theme->errors() ) {
echo '<div class="error"><p><strong>' . __( 'This theme is broken.' ) . '</strong> ' . $theme->errors()->get_error_message() . '</p></div>';
}
?>
<div id="templateside">
<h2 id="theme-files-label"><?php _e( 'Theme Files' ); ?></h2>
<ul role="tree" aria-labelledby="theme-files-label">
<?php if ( ( $has_templates || $theme->parent() ) && $theme->parent() ) : ?>
<li class="howto">
<?php
/* translators: %s: link to edit parent theme */
echo sprintf(
__( 'This child theme inherits templates from a parent theme, %s.' ),
sprintf(
'<a href="%s">%s</a>',
self_admin_url( 'theme-editor.php?theme=' . urlencode( $theme->get_template() ) ),
$theme->parent()->display( 'Name' )
)
);
?>
</li>
<?php endif; ?>
<li role="treeitem" tabindex="-1" aria-expanded="true" aria-level="1" aria-posinset="1" aria-setsize="1">
<ul role="group">
<?php wp_print_theme_file_tree( wp_make_theme_file_tree( $allowed_files ) ); ?>
</ul>
</li>
</ul>
</div>
<?php
if ( $error ) :
echo '<div class="error"><p>' . __( 'File does not exist! Please double check the name and try again.' ) . '</p></div>';
else :
?>
<form name="template" id="template" action="theme-editor.php" method="post">
<?php wp_nonce_field( 'edit-theme_' . $stylesheet . '_' . $relative_file, 'nonce' ); ?>
<div>
<label for="newcontent" id="theme-plugin-editor-label"><?php _e( 'Selected file content:' ); ?></label>
<textarea cols="70" rows="30" name="newcontent" id="newcontent" aria-describedby="editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4"><?php echo $content; ?></textarea>
<input type="hidden" name="action" value="update" />
<input type="hidden" name="file" value="<?php echo esc_attr( $relative_file ); ?>" />
<input type="hidden" name="theme" value="<?php echo esc_attr( $theme->get_stylesheet() ); ?>" />
</div>
<?php if ( ! empty( $functions ) ) : ?>
<div id="documentation" class="hide-if-no-js">
<label for="docs-list"><?php _e( 'Documentation:' ); ?></label>
<?php echo $docs_select; ?>
<input disabled id="docs-lookup" type="button" class="button" value="<?php esc_attr_e( 'Look Up' ); ?>" onclick="if ( '' != jQuery('#docs-list').val() ) { window.open( 'https://api.wordpress.org/core/handbook/1.0/?function=' + escape( jQuery( '#docs-list' ).val() ) + '&amp;locale=<?php echo urlencode( get_user_locale() ); ?>&amp;version=<?php echo urlencode( get_bloginfo( 'version' ) ); ?>&amp;redirect=true'); }" />
</div>
<?php endif; ?>
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-04 02:20:45 +02:00
<div>
<div class="editor-notices">
<?php if ( is_child_theme() && $theme->get_stylesheet() == get_template() ) : ?>
<div class="notice notice-warning inline">
<p>
<?php
if ( is_writeable( $file ) ) {
?>
<strong><?php _e( 'Caution:' ); ?></strong><?php } ?>
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-04 02:20:45 +02:00
<?php _e( 'This is a file in your current parent theme.' ); ?>
</p>
</div>
<?php endif; ?>
</div>
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-04 02:20:45 +02:00
<?php if ( is_writeable( $file ) ) : ?>
<p class="submit">
<?php submit_button( __( 'Update File' ), 'primary', 'submit', false ); ?>
<span class="spinner"></span>
</p>
<?php else : ?>
<p><em>
<?php
printf(
/* translators: %s: Documentation URL */
__( 'You need to make this file writable before you can save your changes. See <a href="%s">Changing File Permissions</a> for more information.' ),
__( 'https://wordpress.org/support/article/changing-file-permissions/' )
);
?>
</em></p>
File Editors: Introduce sandboxed live editing of PHP files with rollbacks for both themes and plugins. * Edits to active plugins which cause PHP fatal errors will no longer auto-deactivate the plugin. Supersedes #39766. * Introduce sandboxed PHP file edits for active themes, preventing accidental whitescreening of a user's site when introducing a fatal error. * After writing a change to a PHP file for an active theme or plugin, perform loopback requests on the file editor admin screens and the homepage to check for fatal errors. If a fatal error is encountered, roll back the edited file and display the error to the user to fix and try again. * Introduce a secure way to scrape PHP fatal errors from a site via `wp_start_scraping_edited_file_errors()` and `wp_finalize_scraping_edited_file_errors()`. * Moves file modifications from `theme-editor.php` and `plugin-editor.php` to common `wp_edit_theme_plugin_file()` function. * Refactor themes and plugin editors to submit file changes via Ajax instead of doing full page refreshes when JS is available. * Use `get` method for theme/plugin dropdowns. * Improve styling of plugin editors, including width of plugin/theme dropdowns. * Improve notices API for theme/plugin editor JS component. * Strip common base directory from plugin file list. See #24048. * Factor out functions to list editable file types in `wp_get_theme_file_editable_extensions()` and `wp_get_plugin_file_editable_extensions()`. * Scroll to line in editor that has linting error when attempting to save. See #41886. * Add checkbox to dismiss lint errors to proceed with saving. See #41887. * Only style the Update File button as disabled instead of actually disabling it for accessibility reasons. * Ensure that value from CodeMirror is used instead of `textarea` when CodeMirror is present. * Add "Are you sure?" check when leaving editor when there are unsaved changes. Supersedes [41560]. See #39766, #24048, #41886. Props westonruter, Clorith, melchoyce, johnbillion, jjj, jdgrimes, azaozz. Fixes #21622, #41887. Built from https://develop.svn.wordpress.org/trunk@41721 git-svn-id: http://core.svn.wordpress.org/trunk@41555 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-10-04 02:20:45 +02:00
<?php endif; ?>
</div>
<?php wp_print_file_editor_templates(); ?>
</form>
<?php
endif; // $error
?>
<br class="clear" />
</div>
<?php
$dismissed_pointers = explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) );
if ( ! in_array( 'theme_editor_notice', $dismissed_pointers, true ) ) :
// Get a back URL
$referer = wp_get_referer();
$excluded_referer_basenames = array( 'theme-editor.php', 'wp-login.php' );
if ( $referer && ! in_array( basename( parse_url( $referer, PHP_URL_PATH ) ), $excluded_referer_basenames, true ) ) {
$return_url = $referer;
} else {
$return_url = admin_url( '/' );
}
?>
<div id="file-editor-warning" class="notification-dialog-wrap file-editor-warning hide-if-no-js hidden">
<div class="notification-dialog-background"></div>
<div class="notification-dialog">
<div class="file-editor-warning-content">
<div class="file-editor-warning-message">
<h1><?php _e( 'Heads up!' ); ?></h1>
<p>
<?php
_e( 'You appear to be making direct edits to your theme in the WordPress dashboard. We recommend that you don&#8217;t! Editing your theme directly could break your site and your changes may be lost in future updates.' );
?>
</p>
<?php
if ( ! $theme->parent() ) {
echo '<p>';
echo sprintf(
/* translators: %s: link to documentation on child themes */
__( 'If you need to tweak more than your theme&#8217;s CSS, you might want to try <a href="%s">making a child theme</a>.' ),
esc_url( __( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ) )
);
echo '</p>';
}
?>
<p><?php _e( 'If you decide to go ahead with direct edits anyway, use a file manager to create a copy with a new name and hang on to the original. That way, you can re-enable a functional version if something goes wrong.' ); ?></p>
</div>
<p>
<a class="button file-editor-warning-go-back" href="<?php echo esc_url( $return_url ); ?>"><?php _e( 'Go back' ); ?></a>
<button type="button" class="file-editor-warning-dismiss button button-primary"><?php _e( 'I understand' ); ?></button>
</p>
</div>
</div>
</div>
<?php
endif; // editor warning notice
include( ABSPATH . 'wp-admin/admin-footer.php' );