This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

_custom_logo_header_styles()

Adds CSS to hide header text for custom logo, based on Customizer setting.

Source

File: wp-includes/theme.php 

function _custom_logo_header_styles() {
	if ( ! current_theme_supports( 'custom-header', 'header-text' ) && get_theme_support( 'custom-logo', 'header-text' ) && ! get_theme_mod( 'header_text', true ) ) {
		$classes = (array) get_theme_support( 'custom-logo', 'header-text' );
		$classes = array_map( 'sanitize_html_class', $classes );
		$classes = '.' . implode( ', .', $classes );

		?>
		<!-- Custom Logo: hide header text -->
		<style id="custom-logo-css" type="text/css">
			<?php echo $classes; ?> {
				position: absolute;
				clip: rect(1px, 1px, 1px, 1px);
			}
		</style>
	<?php
	}
}

Expand Source Code View on GitHub

Related

Uses

Uses
Uses Description
wp-includes/theme.php: current_theme_supports()

Checks a theme’s support for a given feature
wp-includes/theme.php: get_theme_support()

Gets the theme support arguments passed when registering that support
wp-includes/theme.php: get_theme_mod()

Retrieve theme modification value for the current theme.

Changelog

Changelog
Version Description
WP-4.5.0 Introduced.