From bf6f02320a83dba4e9b9fb0908dc717163868002 Mon Sep 17 00:00:00 2001
From: Sergey Biryukov <sergeybiryukov.ru@gmail.com>
Date: Wed, 6 Nov 2013 23:41:09 +0000
Subject: [PATCH] A negative term parent value should be sanitized to 0, not 1.
 Fix a regression in sanitize_term_field() caused by [26010].

props mattheu for initial patch.
fixes #25852.
Built from https://develop.svn.wordpress.org/trunk@26028


git-svn-id: http://core.svn.wordpress.org/trunk@25958 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/taxonomy.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/wp-includes/taxonomy.php b/wp-includes/taxonomy.php
index 12c2a6b99c..06a9126616 100644
--- a/wp-includes/taxonomy.php
+++ b/wp-includes/taxonomy.php
@@ -1710,8 +1710,11 @@ function sanitize_term($term, $taxonomy, $context = 'display') {
  */
 function sanitize_term_field($field, $value, $term_id, $taxonomy, $context) {
 	$int_fields = array( 'parent', 'term_id', 'count', 'term_group', 'term_taxonomy_id', 'object_id' );
-	if ( in_array( $field, $int_fields ) )
-		$value = absint( $value );
+	if ( in_array( $field, $int_fields ) ) {
+		$value = (int) $value;
+		if ( $value < 0 )
+			$value = 0;
+	}
 
 	if ( 'raw' == $context )
 		return $value;