Add random sorting to player gallery widget

includes/sp-formatting-functions.php

@@ -85,6 +85,17 @@ function sp_filter_non_empty( $var = '' ) {
 	return strlen( $var ) > 0;
 }
 
+/**
+ * Sort array randomly and maintain index association.
+ *
+ * @access public
+ * @param array $array
+ * @return bool
+ */
+function sp_sort_random() {
+	return rand() > rand();
+}
+
 /**
  * let_to_num function.
  *