name : custom-header.php <?php /** * Sample implementation of the Custom Header feature. * * You can add an optional custom header image to header.php like so ... * <?php if ( get_header_image() ) : ?> <a href="<?php echo esc_url( home_url( '/' ) ); ?>" rel="home"> <img src="<?php header_image(); ?>" width="<?php echo esc_attr( get_custom_header()->width ); ?>" height="<?php echo esc_attr( get_custom_header()->height ); ?>" alt=""> </a> <?php endif; // End header image check. ?> * * @link https://developer.wordpress.org/themes/functionality/custom-headers/ * * @package zillah */ /** * Set up the WordPress core custom header feature. * * @uses zillah_header_style() */ function zillah_custom_header_setup() { add_theme_support( 'custom-header', apply_filters( 'zillah_custom_header_args', array( 'default-image' => '', 'width' => 1600, 'height' => 250, 'flex-height' => true, 'flex-width' => true, ) ) ); } add_action( 'after_setup_theme', 'zillah_custom_header_setup' );