export_date_options

函数
export_date_options ( $post_type = 'post' )
参数
  • (string) $post_type The post type. Default 'post'.
    Required:
    Default: 'post'
定义位置
相关方法
update_optionpopulate_optionsget_site_optionget_alloptionsupdate_site_option
引入
3.1.0
弃用
-

export_date_options: 这个过滤器用于修改WordPress导出页面中的日期选项。

为导出一个给定的文章类型创建日期选项字段。

function export_date_options( $post_type = 'post' ) {
	global $wpdb, $wp_locale;

	$months = $wpdb->get_results(
		$wpdb->prepare(
			"
		SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
		FROM $wpdb->posts
		WHERE post_type = %s AND post_status != 'auto-draft'
		ORDER BY post_date DESC
			",
			$post_type
		)
	);

	$month_count = count( $months );
	if ( ! $month_count || ( 1 === $month_count && 0 === (int) $months[0]->month ) ) {
		return;
	}

	foreach ( $months as $date ) {
		if ( 0 === (int) $date->year ) {
			continue;
		}

		$month = zeroise( $date->month, 2 );
		echo '<option value="' . $date->year . '-' . $month . '">' . $wp_locale->get_month( $month ) . ' ' . $date->year . '</option>';
	}
}

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