WordPress Version: 4.3
/**
* Update the value of a site option that was already added.
*
* @since 2.8.0
*
* @see update_option()
*
* @global wpdb $wpdb
*
* @param string $option Name of option. Expected to not be SQL-escaped.
* @param mixed $value Option value. Expected to not be SQL-escaped.
* @return bool False if value was not updated and true if value was updated.
*/
function update_site_option($option, $value)
{
global $wpdb;
wp_protect_special_option($option);
$old_value = get_site_option($option);
/**
* Filter a specific site option before its value is updated.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 2.9.0 As 'pre_update_site_option_' . $key
* @since 3.0.0
*
* @param mixed $value New value of site option.
* @param mixed $old_value Old value of site option.
*/
$value = apply_filters('pre_update_site_option_' . $option, $value, $old_value);
if ($value === $old_value) {
return false;
}
if (false === $old_value) {
return add_site_option($option, $value);
}
$notoptions_key = "{$wpdb->siteid}:notoptions";
$notoptions = wp_cache_get($notoptions_key, 'site-options');
if (is_array($notoptions) && isset($notoptions[$option])) {
unset($notoptions[$option]);
wp_cache_set($notoptions_key, $notoptions, 'site-options');
}
if (!is_multisite()) {
$result = update_option($option, $value);
} else {
$value = sanitize_option($option, $value);
$serialized_value = maybe_serialize($value);
$result = $wpdb->update($wpdb->sitemeta, array('meta_value' => $serialized_value), array('site_id' => $wpdb->siteid, 'meta_key' => $option));
if ($result) {
$cache_key = "{$wpdb->siteid}:{$option}";
wp_cache_set($cache_key, $value, 'site-options');
}
}
if ($result) {
/**
* Fires after the value of a specific site option has been successfully updated.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 2.9.0 As "update_site_option_{$key}"
* @since 3.0.0
*
* @param string $option Name of site option.
* @param mixed $value Current value of site option.
* @param mixed $old_value Old value of site option.
*/
do_action("update_site_option_{$option}", $option, $value, $old_value);
/**
* Fires after the value of a site option has been successfully updated.
*
* @since 3.0.0
*
* @param string $option Name of site option.
* @param mixed $value Current value of site option.
* @param mixed $old_value Old value of site option.
*/
do_action("update_site_option", $option, $value, $old_value);
return true;
}
return false;
}