The timeline below displays how wordpress function delete_site_option has changed across different WordPress versions. If a version is not listed, refer to the next available version below.
/**
* Removes an option by name for the current network.
*
* @since 2.8.0
* @since 4.4.0 Modified into wrapper for delete_network_option()
*
* @see delete_network_option()
*
* @param string $option Name of the option to delete. Expected to not be SQL-escaped.
* @return bool True if the option was deleted, false otherwise.
*/
function delete_site_option($option)
{
return delete_network_option(null, $option);
}/**
* Removes a option by name for the current network.
*
* @since 2.8.0
* @since 4.4.0 Modified into wrapper for delete_network_option()
*
* @see delete_network_option()
*
* @param string $option Name of the option to delete. Expected to not be SQL-escaped.
* @return bool True if the option was deleted, false otherwise.
*/
function delete_site_option($option)
{
return delete_network_option(null, $option);
}/**
* Removes a option by name for the current network.
*
* @since 2.8.0
* @since 4.4.0 Modified into wrapper for delete_network_option()
*
* @see delete_network_option()
*
* @param string $option Name of option to remove. Expected to not be SQL-escaped.
* @return bool True, if succeed. False, if failure.
*/
function delete_site_option($option)
{
return delete_network_option(null, $option);
}/**
* Removes site option by name.
*
* @since 2.8.0
*
* @see delete_option()
*
* @global wpdb $wpdb
*
* @param string $option Name of option to remove. Expected to not be SQL-escaped.
* @return bool True, if succeed. False, if failure.
*/
function delete_site_option($option)
{
global $wpdb;
// ms_protect_special_option( $option ); @todo
/**
* Fires immediately before a specific site option is deleted.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 3.0.0
*/
do_action('pre_delete_site_option_' . $option);
if (!is_multisite()) {
$result = delete_option($option);
} else {
$row = $wpdb->get_row($wpdb->prepare("SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid));
if (is_null($row) || !$row->meta_id) {
return false;
}
$cache_key = "{$wpdb->siteid}:{$option}";
wp_cache_delete($cache_key, 'site-options');
$result = $wpdb->delete($wpdb->sitemeta, array('meta_key' => $option, 'site_id' => $wpdb->siteid));
}
if ($result) {
/**
* Fires after a specific site option has been deleted.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 2.9.0 As "delete_site_option_{$key}"
* @since 3.0.0
*
* @param string $option Name of the site option.
*/
do_action("delete_site_option_{$option}", $option);
/**
* Fires after a site option has been deleted.
*
* @since 3.0.0
*
* @param string $option Name of the site option.
*/
do_action("delete_site_option", $option);
return true;
}
return false;
}/**
* Removes site option by name.
*
* @since 2.8.0
*
* @see delete_option()
*
* @param string $option Name of option to remove. Expected to not be SQL-escaped.
* @return bool True, if succeed. False, if failure.
*/
function delete_site_option($option)
{
global $wpdb;
// ms_protect_special_option( $option ); @todo
/**
* Fires immediately before a specific site option is deleted.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 3.0.0
*/
do_action('pre_delete_site_option_' . $option);
if (!is_multisite()) {
$result = delete_option($option);
} else {
$row = $wpdb->get_row($wpdb->prepare("SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid));
if (is_null($row) || !$row->meta_id) {
return false;
}
$cache_key = "{$wpdb->siteid}:{$option}";
wp_cache_delete($cache_key, 'site-options');
$result = $wpdb->delete($wpdb->sitemeta, array('meta_key' => $option, 'site_id' => $wpdb->siteid));
}
if ($result) {
/**
* Fires after a specific site option has been deleted.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 2.9.0 As "delete_site_option_{$key}"
* @since 3.0.0
*
* @param string $option Name of the site option.
*/
do_action("delete_site_option_{$option}", $option);
/**
* Fires after a site option has been deleted.
*
* @since 3.0.0
*
* @param string $option Name of the site option.
*/
do_action("delete_site_option", $option);
return true;
}
return false;
}/**
* Removes site option by name.
*
* @since 2.8.0
*
* @see delete_option()
*
* @param string $option Name of option to remove. Expected to not be SQL-escaped.
* @return bool True, if succeed. False, if failure.
*/
function delete_site_option($option)
{
global $wpdb;
// ms_protect_special_option( $option ); @todo
/**
* Fires immediately before a specific site option is deleted.
*
* The dynamic portion of the hook name, $option, refers to the option name.
*
* @since 3.0.0
*/
do_action('pre_delete_site_option_' . $option);
if (!is_multisite()) {
$result = delete_option($option);
} else {
$row = $wpdb->get_row($wpdb->prepare("SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid));
if (is_null($row) || !$row->meta_id) {
return false;
}
$cache_key = "{$wpdb->siteid}:{$option}";
wp_cache_delete($cache_key, 'site-options');
$result = $wpdb->delete($wpdb->sitemeta, array('meta_key' => $option, 'site_id' => $wpdb->siteid));
}
if ($result) {
/**
* Fires after a specific site option has been deleted.
*
* The dynamic portion of the hook name, $option, refers to the option name.
*
* @since 2.9.0 As "delete_site_option_{$key}"
* @since 3.0.0
*
* @param string $option Name of the site option.
*/
do_action("delete_site_option_{$option}", $option);
/**
* Fires after a site option has been deleted.
*
* @since 3.0.0
*
* @param string $option Name of the site option.
*/
do_action("delete_site_option", $option);
return true;
}
return false;
}/**
* Removes site option by name.
*
* @see delete_option()
* @package WordPress
* @subpackage Option
* @since 2.8.0
*
* @uses do_action() Calls 'pre_delete_site_option_$option' hook before option is deleted.
* @uses do_action() Calls 'delete_site_option' and 'delete_site_option_$option'
* hooks on success.
*
* @param string $option Name of option to remove. Expected to not be SQL-escaped.
* @return bool True, if succeed. False, if failure.
*/
function delete_site_option($option)
{
global $wpdb;
// ms_protect_special_option( $option ); @todo
do_action('pre_delete_site_option_' . $option);
if (!is_multisite()) {
$result = delete_option($option);
} else {
$row = $wpdb->get_row($wpdb->prepare("SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid));
if (is_null($row) || !$row->meta_id) {
return false;
}
$cache_key = "{$wpdb->siteid}:{$option}";
wp_cache_delete($cache_key, 'site-options');
$result = $wpdb->delete($wpdb->sitemeta, array('meta_key' => $option, 'site_id' => $wpdb->siteid));
}
if ($result) {
do_action("delete_site_option_{$option}", $option);
do_action("delete_site_option", $option);
return true;
}
return false;
}