is_admin()

Determines whether the current request is for an administrative interface page.

Contents

Description Description

Does not check if the user is an administrator; use current_user_can() for checking roles and capabilities.

For more information on this and similar theme functions, check out the Conditional Tags article in the Theme Developer Handbook.

Return Return

(bool) True if inside WordPress administration interface, false otherwise.

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Source Source

File: wp-includes/load.php 

function is_admin() {
	if ( isset( $GLOBALS['current_screen'] ) ) {
		return $GLOBALS['current_screen']->in_admin();
	} elseif ( defined( 'WP_ADMIN' ) ) {
		return WP_ADMIN;
	}

	return false;
}

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Changelog
Version Description
1.5.1 Introduced.

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Used By Used By

Used By
Used By Description
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Determines whether we are currently on an endpoint that should be protected against WSODs.
wp-includes/class-wp-fatal-error-handler.php: WP_Fatal_Error_Handler::handle()

Runs the shutdown handler.
wp-admin/includes/class-wp-site-health.php: WP_Site_Health::check_wp_version_check_exists()

Test if wp_version_check is blocked.
wp-includes/l10n.php: determine_locale()

Determine the current locale desired for the request.
wp-includes/script-loader.php: wp_common_block_scripts_and_styles()

Handles the enqueueing of block scripts and styles that are common to both the editor and the front-end.
wp-admin/includes/plugin.php: wp_add_privacy_policy_content()

Helper function for adding content to the Privacy Policy Guide.
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Establish the loaded changeset.
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Enqueue all editor scripts.
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Sets taxonomy properties.
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Adds the necessary rewrite rules for the taxonomy.
wp-includes/class-wp-post-type.php: WP_Post_Type::add_rewrite_rules()

Adds the necessary rewrite rules for the post type.
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Sets post type properties.
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Retrieves the URL to a REST endpoint on a site.
wp-includes/admin-bar.php: wp_admin_bar_customize_menu()

Adds the “Customize” link to the Toolbar.
wp-includes/customize/class-wp-customize-nav-menu-item-setting.php: WP_Customize_Nav_Menu_Item_Setting::sort_wp_get_nav_menu_items()

Re-apply the tail logic also applied on $items by wp_get_nav_menu_items().
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::wp_loaded()

Register styles/scripts and initialize the preview of each setting
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::wp_redirect_status()

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Constructor.
wp-includes/theme.php: remove_editor_styles()

Removes all visual editor stylesheets.
wp-includes/theme.php: _custom_header_background_just_in_time()

Registers the internal custom header and background routines.
wp-includes/theme.php: _wp_customize_include()

Includes and instantiates the WP_Customize_Manager class.
wp-includes/theme.php: switch_theme()

Switches the theme.
wp-includes/theme.php: get_theme_mods()

Retrieve all theme modifications.
wp-includes/l10n.php: load_default_textdomain()

Load default translated strings based on locale.
wp-includes/general-template.php: wp_heartbeat_settings()

Default settings for heartbeat
wp-includes/deprecated.php: wp_admin_bar_dashboard_view_site_menu()

Add the “Dashboard”/”Visit Site” menu.
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Returns array of stylesheet names of themes allowed on the site.
wp-includes/class-wp.php: WP::handle_404()

Set the Headers for 404, if nothing is found for requested URL.
wp-includes/class-wp.php: WP::parse_request()

Parse request to find correct WordPress query.
wp-includes/class-wp-query.php: WP_Query::parse_query()

Parse a query string and set query type booleans.
wp-includes/functions.wp-scripts.php: wp_deregister_script()

Remove a registered script.
wp-includes/functions.php: wp_auth_check_load()

Load the auth check for monitoring whether the user is still logged in.
wp-includes/widgets.php: wp_widget_rss_output()

Display the RSS entries in a list.
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Retrieves the URL for a given site where the front end is accessible.
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Retrieves the link for a page number.
wp-includes/class-wp-admin-bar.php: WP_Admin_Bar::_render()
wp-includes/admin-bar.php: wp_admin_bar_sidebar_toggle()

Add the sidebar toggle button.
wp-includes/admin-bar.php: wp_admin_bar_site_menu()

Add the “Site Name” menu.
wp-includes/admin-bar.php: wp_admin_bar_edit_menu()

Provide an edit link for posts and terms.
wp-includes/admin-bar.php: wp_admin_bar_search_menu()

Add search form.
wp-includes/admin-bar.php: is_admin_bar_showing()

Determines whether the admin bar should be showing.
wp-includes/option.php: wp_user_settings()

Saves and restores user interface settings stored in a cookie.
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Retrieves an array of the class names for the post container element.
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Retrieve post title.
wp-includes/media.php: wp_enqueue_media()

Enqueues all scripts, styles, settings, and templates necessary to use all media JS APIs.
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Builds the Video shortcode output.
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Scale down the default size of an image.
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wp-includes/canonical.php: redirect_canonical()

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wp-includes/ms-load.php: ms_not_installed()

Displays a failure message.
wp-includes/post-formats.php: _post_format_request()

Filters the request to allow for the format prefix.
wp-includes/class.wp-scripts.php: WP_Scripts::init()

Initialize the class.
wp-includes/nav-menu.php: wp_get_nav_menu_items()

Retrieves all menu items of a navigation menu.
wp-includes/widgets.php: wp_get_sidebars_widgets()

Retrieve full list of sidebars and their widget instance IDs.
wp-includes/widgets.php: wp_convert_widget_settings()

Convert the widget settings from single to multi-widget format.
wp-includes/class-wp-customize-widgets.php: WP_Customize_Widgets::schedule_customize_register()

Ensures widgets are available for all types of previews.
wp-includes/script-loader.php: script_concat_settings()

Determine the concatenation and compression settings for scripts and styles.
wp-includes/script-loader.php: wp_default_scripts()

Register all WordPress scripts.
wp-includes/class-wp-editor.php: _WP_Editors::editor_settings()
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Print (output) the TinyMCE configuration and initialization scripts.
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User Contributed Notes User Contributed Notes

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    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note
    Contributed by hearvox —

    Example:

    if ( ! is_admin() ) {
    // Runs only if this PHP code is in a file that displays outside the admin panels, like the theme template.
    echo '<div style="text-align: center">Welcome to our website.</div>';
} else {
    // Runs only if this code is in a file that displays inside the admin panels, like a plugin file.
    echo '<div style="text-align: center">Welcome to your Admin Panels.</div>';
}

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