[wp-trac] [WordPress Trac] #40397: PHP 7.1.x problem in WP_Query

[WordPress Trac]

#40397: PHP 7.1.x problem in WP_Query
--------------------------+------------------------------
 Reporter:  dglingren     |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Query         |     Version:  4.7.3
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
--------------------------+------------------------------

Comment (by SergeyBiryukov):

 Reproduced with this snippet:
 {{{
 class MLAQuery {

         function __construct() {
                 add_filter( 'posts_search',
 'MLAQuery::mla_query_posts_search_filter', 10, 2 );
         }

         public static function mla_query_posts_search_filter(
 $search_string, &$query_object ) {
                 return $search_string;
         }

 }

 new MLAQuery;
 }}}
 Removing the ampersand from `&$query_object` fixes it, so it appears to be
 a plugin issue rather than WordPress core.

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Ticket URL: <https://core.trac.wordpress.org/ticket/40397#comment:2>
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