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WordPress

apply_filters( 'blog_redirect_404', string $no_blog_redirect )

Since
3.0.0
Filters the redirect URL for 404s on the main site.

Description

The filter is only evaluated if the NOBLOGREDIRECT constant is defined.

Compatibility

WordPress
since 3.0.0
  • 6.7.7
  • 6.8.8
  • 6.9.7
  • 7.0.4
  • 7.1.0

Present in every tracked release (6.7.7 to 7.1.0).

Parameters

$no_blog_redirectstring
The redirect URL defined in NOBLOGREDIRECT.

Where this hook fires · 1

  • wp-includes/ms-functions.php:2200maybe_redirect_404()

Source code

View on Trac View on GitHub 

		 * 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.		 */		$destination = apply_filters( 'blog_redirect_404', NOBLOGREDIRECT ); 		if ( $destination ) {			if ( '%siteurl%' === $destination ) {				$destination = network_home_url();			}

Changelog

Introduced in 3.0.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

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