apply_filters_ref_array( ‘comment_feed_limits’, string $climits, WP_Query $query )

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   Drew Jaynes 10 years ago

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   Raise the number of comments retrieved in comment feeds from the default (10) to 100:

   In PHP 5.2 or earlier:

   /**
    * Filter the LIMIT clause on comment feed queries.
    *
    * @param string   $limit    LIMIT clause for the comment feed query.
    * @param WP_Query $instance WP_Query instance, passed by reference.
    * @return string (maybe) Filtered comment feed query LIMIT clause.
   function wpdocs_raise_comment_feed_limit( $limit, &$instance ) {
   	return 'LIMIT 100';
   }
   add_filter( 'comment_feed_limits', 'wpdocs_raise_comment_feed_limits', 10, 2 );

   In PHP 5.3 or later:

   // Filter the LIMIT clause on comment feed queries to increase the number from 10 to 100.
   add_filter( 'comment_feed_limits', function( $a ) { return "LIMIT 100"; } );