Question

maybe_redirect_404()

Correct 404 redirects when NOBLOGREDIRECT is defined.

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description

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源代码

File: wp-includes/ms-functions.php

function maybe_redirect_404() {
	/**
	 * Filters the redirect URL for 404s on the main site.
	 *
	 * The filter is only evaluated if the NOBLOGREDIRECT constant is defined.
	 *
	 * @since 3.0.0
	 *
	 * @param string $no_blog_redirect The redirect URL defined in NOBLOGREDIRECT.
	 */
	if ( is_main_site() && is_404() && defined( 'NOBLOGREDIRECT' ) && ( $destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ) ) ) {
		if ( $destination == '%siteurl%' )
			$destination = network_home_url();
		wp_redirect( $destination );
		exit();
	}
}

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更新日志

Version	description
MU	Introduced.

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相关函数

Uses

• wp-includes/pluggable.php: wp_redirect()
• wp-includes/query.php: is_404()
• wp-includes/functions.php: is_main_site()
• wp-includes/link-template.php: network_home_url()
• wp-includes/plugin.php: apply_filters()
• wp-includes/ms-functions.php: blog_redirect_404
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User Contributed Notes