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has_custom_header()

Checks whether a custom header is set or not.

Return

(bool) True if a custom header is set. False if not.

Source

File: wp-includes/theme.php 

function has_custom_header() {
	if ( has_header_image() || ( has_header_video() && is_header_video_active() ) ) {
		return true;
	}

	return false;
}

Uses

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

Checks whether a header video is set or not.
wp-includes/theme.php: is_header_video_active()

Checks whether the custom header video is eligible to show on the current page.
wp-includes/theme.php: has_header_image()

Checks whether a header image is set or not.

Changelog

Version Description
4.7.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/has_custom_header