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-rw-r--r--sort.php6
1 files changed, 6 insertions, 0 deletions
diff --git a/sort.php b/sort.php
index 4048956..f99b60c 100644
--- a/sort.php
+++ b/sort.php
@@ -12,6 +12,12 @@ function tocTitleSort( $a, $b ){
 	return strcmp( $aTitle, $bTitle );
 }
 
+function tocAuthorSort( $a, $b ){
+	$aTitle = strtolower($a['author']) ?: 'z';
+	$bTitle = strtolower($b['author']) ?: 'z';
+	return strcmp( $aTitle, $bTitle );
+}
+
 define( "BOOK_ORDER", array(
 'Genesis',
 'Exodus',