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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
563 | $qv =& $this->query_vars; |
564 |
|
565 | if ( is_array( $qv['fields'] ) || 'all' == $qv['fields'] ) { |
566 | $this->results = $wpdb->get_results("SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit"); |
567 | } else { |
568 | $this->results = $wpdb->get_col("SELECT $this->query_fields $this->query_from $this->query_where $this->query_orderby $this->query_limit"); |
569 | } |
570 |
|
571 | if ( isset( $qv['count_total'] ) && $qv['count_total'] ) |
572 | $this->total_users = $wpdb->get_var( apply_filters( 'found_users_query', 'SELECT FOUND_ROWS()' ) ); |
573 |
|
574 | if ( !$this->results ) |
575 | return; |
576 |
|
577 | if ( 'all_with_meta' == $qv['fields'] ) { |
578 | cache_users( $this->results ); |
579 |
|
580 | $r = array(); |
581 | foreach ( $this->results as $userid ) |