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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 |
|---|---|
| 1860 | |
| 1861 | if ( !empty($search) ) { |
| 1862 | $search = " AND ({$search}) "; |
| 1863 | if ( !is_user_logged_in() ) |
| 1864 | $search .= " AND ($wpdb->posts.post_password = '') "; |
| 1865 | } |
| 1866 | } |
| 1867 | |
| 1868 | // Allow plugins to contextually add/remove/modify the search section of the database query |
| 1869 | $search = apply_filters_ref_array('posts_search', array( $search, &$this ) ); |
| 1870 | |
| 1871 | // Category stuff |
| 1872 | |
| 1873 | if ( empty($q['cat']) || ($q['cat'] == '0') || |
| 1874 | // Bypass cat checks if fetching specific posts |
| 1875 | $this->is_singular ) { |
| 1876 | $whichcat = ''; |
| 1877 | } else { |
| 1878 | $q['cat'] = ''.urldecode($q['cat']).''; |