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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 2552 | if ( !empty( $orderby ) ) |
| 2553 | $orderby = 'ORDER BY ' . $orderby; |
| 2554 | |
| 2555 | $found_rows = ''; |
| 2556 | if ( !$q['no_found_rows'] && !empty($limits) ) |
| 2557 | $found_rows = 'SQL_CALC_FOUND_ROWS'; |
| 2558 | |
| 2559 | $this->request = " SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits"; |
| 2560 | if ( !$q['suppress_filters'] ) |
| 2561 | $this->request = apply_filters_ref_array('posts_request', array( $this->request, &$this ) ); |
| 2562 | |
| 2563 | if ( 'ids' == $q['fields'] ) { |
| 2564 | $this->posts = $wpdb->get_col($this->request); |
| 2565 | |
| 2566 | return $this->posts; |
| 2567 | } |
| 2568 | |
| 2569 | if ( 'id=>parent' == $q['fields'] ) { |
| 2570 | $this->posts = $wpdb->get_results($this->request); |