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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 |
|---|---|
| 2200 | |
| 2201 | if ( !empty($search) ) { |
| 2202 | $search = " AND ({$search}) "; |
| 2203 | if ( !is_user_logged_in() ) |
| 2204 | $search .= " AND ($wpdb->posts.post_password = '') "; |
| 2205 | } |
| 2206 | } |
| 2207 | |
| 2208 | // Allow plugins to contextually add/remove/modify the search section of the database query |
| 2209 | $search = apply_filters_ref_array('posts_search', array( $search, &$this ) ); |
| 2210 | |
| 2211 | // Taxonomies |
| 2212 | if ( !$this->is_singular ) { |
| 2213 | $this->parse_tax_query( $q ); |
| 2214 | |
| 2215 | $clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' ); |
| 2216 | |
| 2217 | $join .= $clauses['join']; |
| 2218 | $where .= $clauses['where']; |