felixarntz/theme-boilerplate

<?php
/**
 * The template for displaying the custom header
 *
 * @package Super_Awesome_Theme
 * @license GPL-2.0-or-later
 * @link    https://super-awesome-author.org/themes/super-awesome-theme/
 */

$header_textalign  = super_awesome_theme_get_setting( 'header_textalign' );
$branding_location = super_awesome_theme_get_setting( 'branding_location' );

$image_id = 0;
if ( super_awesome_theme_use_page_header() ) {
    if ( is_singular() ) {
        $support_slug = get_post_type();
        if ( 'attachment' === $support_slug ) {
            if ( wp_attachment_is( 'audio' ) ) {
                $support_slug .= ':audio';
            } elseif ( wp_attachment_is( 'video' ) ) {
                $support_slug .= ':video';
            }
        }

        if ( post_type_supports( $support_slug, 'thumbnail' ) && has_post_thumbnail() ) {
            $image_id = get_post_thumbnail_id();
        }
    } elseif ( is_home() && 'page' === get_option( 'show_on_front' ) && get_option( 'page_for_posts' ) ) {
        $posts_page = get_option( 'page_for_posts' );
        if ( has_post_thumbnail( $posts_page ) ) {
            $image_id = get_post_thumbnail_id( $posts_page );
        }
    }

    /**
     * Filters the page header image ID.
     *
     * @since 1.0.0
     *
     * @param int Page header image ID. May be 0.
     */
    $image_id = apply_filters( 'super_awesome_theme_get_page_header_image_id', $image_id );
}

?>
<div class="site-custom-header site-component <?php echo esc_attr( $header_textalign ); ?>">
    <div class="site-header-media">
        <?php
        if ( $image_id ) {
            ?>
            <div class="site-page-header-image">
                <?php echo wp_get_attachment_image( $image_id, 'full-width', false, array( 'class' => '' ) ); ?>
            </div>
            <?php
        } else {
            the_custom_header_markup();
        }
        ?>
    </div>
    <div class="site-component-inner">
        <?php
        if ( super_awesome_theme_use_page_header() ) {
            ?>
            <div class="site-page-header-content">
                <?php get_template_part( 'template-parts/header/page-header-content' ); ?>
            </div>
            <?php
        } elseif ( 'header' === $branding_location ) {
            ?>
            <div class="site-branding">
                <?php get_template_part( 'template-parts/header/logo-and-title' ); ?>
            </div>
            <?php
        }
        ?>
    </div>
</div><!-- .site-custom-header -->