From bf207bc6e67639da207ab87fd8eb1551814a9288 Mon Sep 17 00:00:00 2001
From: nacin <nacin@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Fri, 26 Feb 2010 04:53:30 +0000
Subject: [PATCH] Reject numeric page slugs as they don't work, and force a
 suffix. Props miqrogroove see #11917

git-svn-id: http://svn.automattic.com/wordpress/trunk@13424 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/post.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/post.php b/wp-includes/post.php
index dbe213e92..7048f1d99 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -2392,7 +2392,7 @@ function wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_p
 		$check_sql = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( '" . implode( "', '", esc_sql( $hierarchical_post_types ) ) . "' ) AND ID != %d AND post_parent = %d LIMIT 1";
 		$post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_ID, $post_parent ) );
 
-		if ( $post_name_check || in_array( $slug, $feeds ) ) {
+		if ( $post_name_check || in_array( $slug, $feeds ) || preg_match( '@^\d+$@', $slug ) ) {
 			$suffix = 2;
 			do {
 				$alt_post_name = substr( $slug, 0, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";