Show Highlight and Share on Posts only

has-posts-only.php

<?php
/**
 * Show Highlight and Share on posts only.
 *
 * @package highlight-and-share
 */

// Hide on all excerpts.
add_filter( 'has_enable_excerpt', '__return_false' );

/**
 * Show HAS on posts only.
 *
 * @param bool $show_on_posts Flag to (true|false) to show on posts/pages.
 *
 * @return bool Whether to show on posts/pages.
 */
function jeremiahcanuto_show_only_on_posts( $show_on_posts ) {
	// Only show on post types.
	if ( 'post' === get_post_type() && is_single() ) {
		return true;
	}

	return false;
}
add_filter( 'has_enable_content', 'jeremiahcanuto_show_only_on_posts' ); // Disable or enable main post content.