add_option()
最后更新于:2021-11-25 19:22:43
add_option( string$option, mixed$value=”, string$deprecated=”, string|bool$autoload=’yes’)Adds a new option.
参数
- $option
-
(string) (Required) Name of the option to add. Expected to not be SQL-escaped.
- $value
-
(mixed) (Optional) Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
Default value: ”
- $deprecated
-
(string) (Optional) Description. Not used anymore.
Default value: ”
- $autoload
-
(string|bool) (Optional) Whether to load the option when GeChiUI starts up. Default is enabled. Accepts ‘no’ to disable for legacy reasons.
Default value: ‘yes’
响应
(bool) True if the option was added, false otherwise.
源文件
文件: gc-includes/option.php
function add_option( $option, $value = '', $deprecated = '', $autoload = 'yes' ) {
global $gcdb;
if ( ! empty( $deprecated ) ) {
_deprecated_argument( __FUNCTION__, '2.3.0' );
}
$option = trim( $option );
if ( empty( $option ) ) {
return false;
}
/*
* Until a proper _deprecated_option() function can be introduced,
* redirect requests to deprecated keys to the new, correct ones.
*/
$deprecated_keys = array(
'blacklist_keys' => 'disallowed_keys',
'comment_whitelist' => 'comment_previously_approved',
);
if ( ! gc_installing() && isset( $deprecated_keys[ $option ] ) ) {
_deprecated_argument(
__FUNCTION__,
'5.5.0',
sprintf(
/* translators: 1: Deprecated option key, 2: New option key. */
__( 'The "%1$s" option key has been renamed to "%2$s".' ),
$option,
$deprecated_keys[ $option ]
)
);
return add_option( $deprecated_keys[ $option ], $value, $deprecated, $autoload );
}
gc_protect_special_option( $option );
if ( is_object( $value ) ) {
$value = clone $value;
}
$value = sanitize_option( $option, $value );
// Make sure the option doesn't already exist.
// We can check the 'notoptions' cache before we ask for a DB query.
$notoptions = gc_cache_get( 'notoptions', 'options' );
if ( ! is_array( $notoptions ) || ! isset( $notoptions[ $option ] ) ) {
/** This filter is documented in gc-includes/option.php */
if ( apply_filters( "default_option_{$option}", false, $option, false ) !== get_option( $option ) ) {
return false;
}
}
$serialized_value = maybe_serialize( $value );
$autoload = ( 'no' === $autoload || false === $autoload ) ? 'no' : 'yes';
/**
* Fires before an option is added.
*
* @since 2.9.0
*
* @param string $option Name of the option to add.
* @param mixed $value Value of the option.
*/
do_action( 'add_option', $option, $value );
$result = $gcdb->query( $gcdb->prepare( "INSERT INTO `$gcdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, %s) ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)", $option, $serialized_value, $autoload ) );
if ( ! $result ) {
return false;
}
if ( ! gc_installing() ) {
if ( 'yes' === $autoload ) {
$alloptions = gc_load_alloptions( true );
$alloptions[ $option ] = $serialized_value;
gc_cache_set( 'alloptions', $alloptions, 'options' );
} else {
gc_cache_set( $option, $serialized_value, 'options' );
}
}
// This option exists now.
$notoptions = gc_cache_get( 'notoptions', 'options' ); // Yes, again... we need it to be fresh.
if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {
unset( $notoptions[ $option ] );
gc_cache_set( 'notoptions', $notoptions, 'options' );
}
/**
* Fires after a specific option has been added.
*
* The dynamic portion of the hook name, `$option`, refers to the option name.
*
* @since 2.5.0 As "add_option_{$name}"
* @since 3.0.0
*
* @param string $option Name of the option to add.
* @param mixed $value Value of the option.
*/
do_action( "add_option_{$option}", $option, $value );
/**
* Fires after an option has been added.
*
* @since 2.9.0
*
* @param string $option Name of the added option.
* @param mixed $value Value of the option.
*/
do_action( 'added_option', $option, $value );
return true;
}