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Do not allow empty option names. Trim leading and trailing whitespace from option names. Partial patch props ericmann. Fixes #11506 

git-svn-id: https://develop.svn.wordpress.org/trunk@13858 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Dion Hulse 2010-03-28 03:10:37 +00:00
parent dfee0416ec
commit 6f02bf815c
1 changed files with 13 additions and 1 deletions
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14
wp-includes/functions.php
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@ -318,6 +318,10 @@ function get_option( $option, $default = false ) {
if ( false !== $pre )
return $pre;
$option = trim($option);
if ( empty($option) )
return false;
// prevent non-existent options from triggering multiple queries
if ( defined( 'WP_INSTALLING' ) && is_multisite() ) {
$notoptions = array();
@ -488,6 +492,10 @@ function wp_load_core_site_options( $site_id = null ) {
function update_option( $option, $newvalue ) {
global $wpdb;
$option = trim($option);
if ( empty($option) )
return false;
wp_protect_special_option( $option );
$newvalue = sanitize_option( $option, $newvalue );
@ -559,10 +567,14 @@ function update_option( $option, $newvalue ) {
* @return null returns when finished.
*/
function add_option( $option, $value = '', $deprecated = '', $autoload = 'yes' ) {
global $wpdb;
if ( !empty( $deprecated ) )
_deprecated_argument( __FUNCTION__, '2.3' );
global $wpdb;
$option = trim($option);
if ( empty($option) )
return false;
wp_protect_special_option( $option );
$value = sanitize_option( $option, $value );