WordPress function to return the name of the photographer of a photo.

sjf_deh_get_photo_creds.php

<?php
/**
 * Returns the name of the photographer for the current post, along with a Font Awesome icon.
 *
 * @return string The name of the photographer for the current post, along with a Font Awesome icon.
 */
function sjf_deh_get_photo_creds() {
	
	// get the current post
	$post = get_post();
	
	// if this is not an attachment post, bail
	if (empty ( $post->post_type ) || ( $post->post_type != 'attachment' ) ) { return false; }

	// Get the term from the 'photographer' taxonomy
	$photog = wp_get_post_terms( $post->ID, 'photographer' );
	
	// if this post has not been tagged with any photographers, bail
	if( !$photog ) { return false; }

	// we just want the first photographer
	$p = $photog[0];

	// get the term name
	$out = esc_html( $p->name );
	
	// the icon refers to FontAwesome
	$out="<div class='photog'><i class='icon-camera'></i> $out</div>";
	
	return $out;

}