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Full list of WordPress global variables, extracted from WP Coding Standards
<?php
/**
* List of global WP variables.
*
* @since 0.3.0
* @since 0.11.0 Changed visibility from public to protected.
* @since 0.12.0 Renamed from `$globals` to `$wp_globals` to be more descriptive.
* @since 0.12.0 Moved from WordPress_Sniffs_Variables_GlobalVariablesSniff to WordPress_Sniff
*
* @var array
*/
protected $wp_globals = array(
'_links_add_base' => true,
'_links_add_target' => true,
'_menu_item_sort_prop' => true,
'_nav_menu_placeholder' => true,
'_new_bundled_files' => true,
'_old_files' => true,
'_parent_pages' => true,
'_registered_pages' => true,
'_updated_user_settings' => true,
'_wp_additional_image_sizes' => true,
'_wp_admin_css_colors' => true,
'_wp_default_headers' => true,
'_wp_deprecated_widgets_callbacks' => true,
'_wp_last_object_menu' => true,
'_wp_last_utility_menu' => true,
'_wp_menu_nopriv' => true,
'_wp_nav_menu_max_depth' => true,
'_wp_post_type_features' => true,
'_wp_real_parent_file' => true,
'_wp_registered_nav_menus' => true,
'_wp_sidebars_widgets' => true,
'_wp_submenu_nopriv' => true,
'_wp_suspend_cache_invalidation' => true,
'_wp_theme_features' => true,
'_wp_using_ext_object_cache' => true,
'action' => true,
'active_signup' => true,
'admin_body_class' => true,
'admin_page_hooks' => true,
'all_links' => true,
'allowedentitynames' => true,
'allowedposttags' => true,
'allowedtags' => true,
'auth_secure_cookie' => true,
'authordata' => true,
'avail_post_mime_types' => true,
'avail_post_stati' => true,
'blog_id' => true,
'blog_title' => true,
'blogname' => true,
'cat' => true,
'cat_id' => true,
'charset_collate' => true,
'comment' => true,
'comment_alt' => true,
'comment_depth' => true,
'comment_status' => true,
'comment_thread_alt' => true,
'comment_type' => true,
'comments' => true,
'compress_css' => true,
'compress_scripts' => true,
'concatenate_scripts' => true,
'current_screen' => true,
'current_site' => true,
'current_user' => true,
'currentcat' => true,
'currentday' => true,
'currentmonth' => true,
'custom_background' => true,
'custom_image_header' => true,
'default_menu_order' => true,
'descriptions' => true,
'domain' => true,
'editor_styles' => true,
'error' => true,
'errors' => true,
'EZSQL_ERROR' => true,
'feeds' => true,
'GETID3_ERRORARRAY' => true,
'hook_suffix' => true,
'HTTP_RAW_POST_DATA' => true,
'id' => true,
'in_comment_loop' => true,
'interim_login' => true,
'is_apache' => true,
'is_chrome' => true,
'is_gecko' => true,
'is_IE' => true,
'is_IIS' => true,
'is_iis7' => true,
'is_macIE' => true,
'is_NS4' => true,
'is_opera' => true,
'is_safari' => true,
'is_winIE' => true,
'l10n' => true,
'link' => true,
'link_id' => true,
'locale' => true,
'locked_post_status' => true,
'lost' => true,
'm' => true,
'map' => true,
'menu' => true,
'menu_order' => true,
'merged_filters' => true,
'mode' => true,
'monthnum' => true,
'more' => true,
'multipage' => true,
'names' => true,
'nav_menu_selected_id' => true,
'new_whitelist_options' => true,
'numpages' => true,
'one_theme_location_no_menus' => true,
'opml' => true,
'order' => true,
'orderby' => true,
'overridden_cpage' => true,
'page' => true,
'paged' => true,
'pagenow' => true,
'pages' => true,
'parent_file' => true,
'pass_allowed_html' => true,
'pass_allowed_protocols' => true,
'path' => true,
'per_page' => true,
'PHP_SELF' => true,
'phpmailer' => true,
'plugin_page' => true,
'plugins' => true,
'post' => true,
'post_default_category' => true,
'post_default_title' => true,
'post_ID' => true,
'post_id' => true,
'post_mime_types' => true,
'post_type' => true,
'post_type_object' => true,
'posts' => true,
'preview' => true,
'previouscat' => true,
'previousday' => true,
'previousweekday' => true,
'redir_tab' => true,
'required_mysql_version' => true,
'required_php_version' => true,
'rnd_value' => true,
'role' => true,
's' => true,
'search' => true,
'self' => true,
'shortcode_tags' => true,
'show_admin_bar' => true,
'sidebars_widgets' => true,
'status' => true,
'submenu' => true,
'submenu_file' => true,
'super_admins' => true,
'tab' => true,
'table_prefix' => true,
'tabs' => true,
'tag' => true,
'targets' => true,
'tax' => true,
'taxnow' => true,
'taxonomy' => true,
'term' => true,
'text_direction' => true,
'theme_field_defaults' => true,
'themes_allowedtags' => true,
'timeend' => true,
'timestart' => true,
'tinymce_version' => true,
'title' => true,
'totals' => true,
'type' => true,
'typenow' => true,
'updated_timestamp' => true,
'upgrading' => true,
'urls' => true,
'user_email' => true,
'user_ID' => true,
'user_identity' => true,
'user_level' => true,
'user_login' => true,
'user_url' => true,
'userdata' => true,
'usersearch' => true,
'whitelist_options' => true,
'withcomments' => true,
'wp' => true,
'wp_actions' => true,
'wp_admin_bar' => true,
'wp_cockneyreplace' => true,
'wp_current_db_version' => true,
'wp_current_filter' => true,
'wp_customize' => true,
'wp_dashboard_control_callbacks' => true,
'wp_db_version' => true,
'wp_did_header' => true,
'wp_embed' => true,
'wp_file_descriptions' => true,
'wp_filesystem' => true,
'wp_filter' => true,
'wp_hasher' => true,
'wp_header_to_desc' => true,
'wp_importers' => true,
'wp_json' => true,
'wp_list_table' => true,
'wp_local_package' => true,
'wp_locale' => true,
'wp_meta_boxes' => true,
'wp_object_cache' => true,
'wp_plugin_paths' => true,
'wp_post_statuses' => true,
'wp_post_types' => true,
'wp_queries' => true,
'wp_query' => true,
'wp_registered_sidebars' => true,
'wp_registered_widget_controls' => true,
'wp_registered_widget_updates' => true,
'wp_registered_widgets' => true,
'wp_rewrite' => true,
'wp_rich_edit' => true,
'wp_rich_edit_exists' => true,
'wp_roles' => true,
'wp_scripts' => true,
'wp_settings_errors' => true,
'wp_settings_fields' => true,
'wp_settings_sections' => true,
'wp_smiliessearch' => true,
'wp_styles' => true,
'wp_taxonomies' => true,
'wp_the_query' => true,
'wp_theme_directories' => true,
'wp_themes' => true,
'wp_user_roles' => true,
'wp_version' => true,
'wp_widget_factory' => true,
'wp_xmlrpc_server' => true,
'wpcommentsjavascript' => true,
'wpcommentspopupfile' => true,
'wpdb' => true,
'wpsmiliestrans' => true,
'year' => true,
);
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