In `get_terms()`, allow terms to be ordered by 'term_id'.

[29128] introduced updated documentation for the `'orderby'` parameter of
`get_terms()`. The new documentation mistakenly said that 'term_id' was a valid
orderby value. The current changeset makes that fantasy...A REALITY.

Props ixkaito.
Fixes #33726.
Built from https://develop.svn.wordpress.org/trunk@33903


git-svn-id: http://core.svn.wordpress.org/trunk@33872 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/taxonomy-functions.php

@@ -945,6 +945,7 @@ function get_term_to_edit( $id, $taxonomy ) {
  *
  * @since 2.3.0
  * @since 4.2.0 Introduced 'name' and 'childless' parameters.
+ * @since 4.4.0 Introduced the ability to pass 'term_id' as an alias of 'id' for the `orderby` parameter.
  *
  * @global wpdb  $wpdb WordPress database abstraction object.
  * @global array $wp_filter
@@ -1132,7 +1133,7 @@ function get_terms( $taxonomies, $args = '' ) {
 		$orderby = 'tt.description';
 	} elseif ( 'none' == $_orderby ) {
 		$orderby = '';
-	} elseif ( empty($_orderby) || 'id' == $_orderby ) {
+	} elseif ( empty( $_orderby ) || 'id' == $_orderby || 'term_id' === $_orderby ) {
 		$orderby = 't.term_id';
 	} else {
 		$orderby = 't.name';

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-33902';
+$wp_version = '4.4-alpha-33903';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.