Ticket #33860: loop.patch

wp-includes/query.php

@@ -790 +790 @@
         $wp_query->the_post();
 }
 
+/**
+ * @param WP_Query $wp_query
+ *
+ * @return int
+ */
+
+function get_loop_last_index( $wp_query = null ) {
+        if ( $wp_query == null ) {
+                global $wp_query;
+        }
+
+        return $wp_query->post_count - 1;
+}
+
+/**
+ * @param WP_Query $wp_query
+ *
+ * @return int
+ */
+function get_loop_index( $wp_query = null ) {
+        if ( $wp_query == null ) {
+                global $wp_query;
+        }
+
+        return $wp_query->current_post;
+}
+
+/**
+ * @param int $index
+ * @param WP_Query $wp_query
+ *
+ * @return bool
+ */
+
+function is_loop_index( $index, $wp_query = null ) {
+        return get_loop_index( $wp_query ) == $index;
+}
+
+/**
+ * @param WP_Query $wp_query
+ *
+ * @return bool
+ */
+function is_loop_first( $wp_query = null ) {
+        return get_loop_index( $wp_query ) == 0;
+}
+
+/**
+ * @param WP_Query $wp_query
+ *
+ * @return bool
+ */
+
+function is_loop_last( $wp_query = null ) {
+        return get_loop_index( $wp_query ) == get_loop_last_index( $wp_query );
+}
+
+/**
+ * @param WP_Query $wp_query
+ *
+ * @return bool
+ */
+
+function is_loop_even( $wp_query = null ) {
+        return ( get_loop_index( $wp_query ) + 1 ) % 2 == 0;
+}
+
+/**
+ * @param WP_Query $wp_query
+ *
+ * @return bool
+ */
+
+function is_loop_odd( $wp_query = null ) {
+        return ( get_loop_index( $wp_query ) + 1 ) % 2 != 0;
+}
+
 /*
  * Comments loop.
  */