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register_setting()

register_setting( string $option_group, string $option_name, array $args = array() )

注册设置及其数据。
Registers a setting and its data.

目录锚点:#参数#返回#源码


参数(Parameters)

参数 类型 必填 说明
$option_group (string) 必需 设置组名。应与白名单选项键名称相对应。默认白名单选项键名称包括“常规”、“讨论”、“媒体”、“读取”、“写入”、“杂项”、“选项”和“隐私”。
$option_name (string) 必需 要清理和保存的选项的名称。
$args (array) 可选 用于描述注册时设置的数据type’(string)与此设置关联的数据类型。有效值为“string”、“boolean”、“integer”、“number”、“array”和“object”。
‘description'(string) A description of the data attached to this setting. ‘sanitize_callback’(callable) A callback function that sanitizes the option’s value. 可选 调用get_option()时的“默认”(混合)默认值。

返回(Return)

无返回值


源码(Source)

/**
 * Register a setting and its sanitization callback
 *
 * @since 2.7.0
 *
 * @global array $new_whitelist_options
 *
 * @param string $option_group A settings group name. Should correspond to a whitelisted option key name.
 * 	Default whitelisted option key names include "general," "discussion," and "reading," among others.
 * @param string $option_name The name of an option to sanitize and save.
 * @param callable $sanitize_callback A callback function that sanitizes the option's value.
 */
function register_setting( $option_group, $option_name, $sanitize_callback = '' ) {
	global $new_whitelist_options;

	if ( 'misc' == $option_group ) {
		_deprecated_argument( __FUNCTION__, '3.0', sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ), 'misc' ) );
		$option_group = 'general';
	}

	if ( 'privacy' == $option_group ) {
		_deprecated_argument( __FUNCTION__, '3.5', sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ), 'privacy' ) );
		$option_group = 'reading';
	}

	$new_whitelist_options[ $option_group ][] = $option_name;
	if ( $sanitize_callback != '' )
		add_filter( "sanitize_option_{$option_name}", $sanitize_callback );
}
更新版本 源码位置 使用 被使用
4.7.0 wp-includes/option.php:2116 2 7

register_setting() 为WP2原创文章,链接:https://www.wp2.cn/functions/register_setting/