author-info.php

<?php
/**
 * Display the author's name and bio within blog posts
 *
 * @package OKFNWP
 */

if ( function_exists( 'coauthors' ) ) :
	get_template_part( 'author', 'info-coauthors' );
else :

	$okf_author             = get_the_author();
	$okf_author_description = get_the_author_meta( 'description' );
	$okf_avatar             = get_avatar( get_the_author_meta( 'ID' ), 80 );

	/*
	 Prepare a suitable URL for the Gravatar user profile, as recommended here:
	 *  https://en.gravatar.com/site/implement/profiles/
	 */

	$okf_avatar_url = 'https://www.gravatar.com/' . md5( get_the_author_meta( 'user_email' ) );

	if ( empty( $okf_author_description ) ) :
		$okf_author_description = __( 'No description set for this author.', 'okfnwp' );
	endif;

	if ( $okf_author ) :

		?>
		<aside class="author-info">
			<a class="author-info_link" href="<?php echo esc_url( $okf_avatar_url ); ?>">
				<span class="author-info_thumbnail"><?php echo wp_kses_post( $okf_avatar ); ?></span>
			</a>
			<h4 class="author-info_name">
			<?php

				// translators: %1$s stands for the author name.
				echo esc_html( sprintf( __( 'About %1$s', 'okfnwp' ), get_the_author_meta( 'display_name' ) ) );

			?>
				</h4>
			<p><?php echo wp_kses_post( $okf_author_description ); ?></p>
		</aside>
		<?php

	endif;

endif;