wp_get_referer() WordPress Function

function wp_get_referer() {
	if ( ! function_exists( 'wp_validate_redirect' ) ) {
		return false;
	}

	$ref = wp_get_raw_referer();

	if ( $ref && wp_unslash( $_SERVER['REQUEST_URI'] ) !== $ref && home_url() . wp_unslash( $_SERVER['REQUEST_URI'] ) !== $ref ) {
		return wp_validate_redirect( $ref, false );
	}

	return false;
}
Uses	Description
wp-includes/functions.php:wp_get_raw_referer()	Retrieves unvalidated referer from ‘_wp_http_referer’ or HTTP referer.
wp-includes/formatting.php:wp_unslash()	Removes slashes from a string or recursively removes slashes from strings within an array.
wp-includes/pluggable.php:wp_validate_redirect()	Validates a URL for use in a redirect.
wp-includes/link-template.php:home_url()	Retrieves the URL for the current site where the front end is accessible.
Used By	Description
wp-includes/class-wp-recovery-mode.php:WP_Recovery_Mode::handle_exit_recovery_mode()	Handles a request to exit Recovery Mode.
wp-admin/includes/post.php:the_block_editor_meta_box_post_form_hidden_fields()	Renders the hidden form required for the meta boxes form.
wp-includes/class-wp-customize-manager.php:WP_Customize_Manager::get_return_url()	Gets URL to link the user to when closing the Customizer.
wp-admin/includes/class-wp-terms-list-table.php:WP_Terms_List_Table::handle_row_actions()	Generates and displays row action links.
wp-admin/includes/media.php:wp_media_attach_action()	Encapsulates the logic for Attach/Detach actions.
wp-admin/includes/misc.php:set_screen_options()	Saves option for number of rows when listing posts, pages, comments, etc.
wp-admin/includes/post.php:_admin_notice_post_locked()	Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
wp-admin/includes/class-wp-terms-list-table.php:WP_Terms_List_Table::column_name()
wp-admin/includes/post.php:redirect_post()	Redirects to previous page.
wp-includes/pluggable.php:auth_redirect()	Checks if a user is logged in, if not it redirects them to the login page.
wp-includes/pluggable.php:check_admin_referer()	Ensures intent by verifying that a user was referred from another admin page with the correct security nonce.
wp-includes/functions.php:wp_nonce_ays()	Display “Are You Sure” message to confirm the action being taken.
wp-includes/functions.php:wp_original_referer_field()	Retrieve or display original referer hidden field for forms.