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Source View: pre_get_comments

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Line Code
487           }
488
489           /**
490            * Fires before comments are retrieved.
491            *
492            * @since 3.1.0
493            *
494            * @param WP_Comment_Query &$this Current instance of WP_Comment_Query, passed by reference.
495            */
496           do_action_ref_array( 'pre_get_comments', array( &$this ) );
497
498           // $args can include anything. Only use the args defined in the query_var_defaults to compute the key.
499           $key = md5( serialize( wp_array_slice_assoc( $this->query_vars, array_keys( $this->query_var_defaults ) ) ) );
500           $last_changed = wp_cache_get( 'last_changed', 'comment' );
501           if ( ! $last_changed ) {
502                $last_changed = microtime();
503                wp_cache_set( 'last_changed', $last_changed, 'comment' );
504           }
505           $cache_key = "get_comments:$key:$last_changed";