is_rtl()

Determines whether the current locale is right-to-left (RTL).

Description

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

Return

(bool) Whether locale is RTL.

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Source

File: wp-includes/l10n.php 

function is_rtl() {
	global $wp_locale;
	if ( ! ( $wp_locale instanceof WP_Locale ) ) {
		return false;
	}
	return $wp_locale->is_rtl();
}

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Changelog

Version Description
3.0.0 Introduced.

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Used By

Used By Description
wp-includes/functions.php: _wp_die_process_input()

Processes arguments passed to wp_die() consistently for its handlers.
wp-includes/class-wp-editor.php: _WP_Editors::print_default_editor_scripts()

Print (output) all editor scripts and default settings.
wp-includes/customize/class-wp-customize-site-icon-control.php: WP_Customize_Site_Icon_Control::content_template()

Renders a JS template for the content of the site icon control.
wp-includes/general-template.php: get_language_attributes()

Gets the language attributes for the html tag.
wp-login.php: login_header()

Output the login page header.
wp-admin/install.php: display_header()

Display installation header.
wp-admin/includes/template.php: iframe_header()

Generic Iframe header for use with Thickbox
wp-admin/includes/media.php: wp_iframe()

Outputs the iframe to display the media upload page.
wp-includes/theme.php: add_editor_style()

Add callback for custom TinyMCE editor stylesheets.
wp-includes/general-template.php: register_admin_color_schemes()

Registers the default admin color schemes.
wp-includes/general-template.php: wp_admin_css()

Enqueues or directly prints a stylesheet link to the specified CSS file.
wp-includes/general-template.php: get_bloginfo()

Retrieves information about the current site.
wp-includes/functions.php: _mce_set_direction()

Set the localized direction for MCE plugin.
wp-includes/post-template.php: get_body_class()

Retrieves an array of the class names for the body element.
wp-includes/media.php: gallery_shortcode()

Builds the Gallery shortcode output.
wp-includes/script-loader.php: wp_default_styles()

Assign default styles to $styles object.
wp-includes/class-wp-editor.php: _WP_Editors::wp_mce_translation()

Translates the default TinyMCE strings and returns them as JSON encoded object ready to be loaded with tinymce.addI18n(), or as JS snippet that should run after tinymce.js is loaded.
wp-includes/media-template.php: wp_print_media_templates()

Prints the templates used in the media manager.