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Canonical: Protect against error for term not exists queries. 

Prevent term `NOT EXISTS` queries causing `redirect_canonical()` to throw a fatal error in PHP 8 and above, or a warning in earlier versions.

This ensures the `tax_query`'s `terms` property both exists and is countable before attempting to count it.

Props codesdnc, SergeyBiryukov, kadamwhite, costdev, miguelaxcar.
Fixes #55955.


Built from https://develop.svn.wordpress.org/trunk@54785


git-svn-id: http://core.svn.wordpress.org/trunk@54337 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Peter Wilson 2022-11-10 03:01:14 +00:00
parent 0f7fcc2863
commit 486bec9939
2 changed files with 4 additions and 2 deletions
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4
wp-includes/canonical.php
View File

@ -331,7 +331,9 @@ function redirect_canonical( $requested_url = null, $do_redirect = true ) {
$term_count = 0;
foreach ( $wp_query->tax_query->queried_terms as $tax_query ) {
$term_count += count( $tax_query['terms'] );
if ( isset( $tax_query['terms'] ) && is_countable( $tax_query['terms'] ) ) {
$term_count += count( $tax_query['terms'] );
}
}
$obj = $wp_query->get_queried_object();

2
wp-includes/version.php
View File

@ -16,7 +16,7 @@
*
* @global string $wp_version
*/
$wp_version = '6.2-alpha-54782';
$wp_version = '6.2-alpha-54785';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.