get_blog_option()

最后更新于:2021-11-26 06:22:27

get_blog_option( int$id, string$option, mixed$default=false)

Retrieve option value for a given blog id based on name of option.

参数

$id

(int) (Required) A blog ID. Can be null to refer to the current blog.

$option

(string) (Required) Name of option to retrieve. Expected to not be SQL-escaped.

$default

(mixed) (Optional) Default value to return if the option does not exist.

Default value: false

响应

(mixed) Value set for the option.

源文件

文件: gc-includes/ms-blogs.php

function get_blog_option( $id, $option, $default = false ) {
	$id = (int) $id;

	if ( empty( $id ) ) {
		$id = get_current_blog_id();
	}

	if ( get_current_blog_id() == $id ) {
		return get_option( $option, $default );
	}

	switch_to_blog( $id );
	$value = get_option( $option, $default );
	restore_current_blog();

	/**
	 * Filters a blog option value.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the blog option name.
	 *
	 * @since 3.5.0
	 *
	 * @param string  $value The option value.
	 * @param int     $id    Blog ID.
	 */
	return apply_filters( "blog_option_{$option}", $value, $id );
}