WP hooks navigation: Home/browse • Actions index • Filters index
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 |
|---|---|
| 2887 | * Filters the WHERE clause of the query. |
| 2888 | * |
| 2889 | * For use by caching plugins. |
| 2890 | * |
| 2891 | * @since 2.5.0 |
| 2892 | * |
| 2893 | * @param string $where The WHERE clause of the query. |
| 2894 | * @param WP_Query $query The WP_Query instance (passed by reference). |
| 2895 | */ |
| 2896 | $where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) ); |
| 2897 | |
| 2898 | /** |
| 2899 | * Filters the GROUP BY clause of the query. |
| 2900 | * |
| 2901 | * For use by caching plugins. |
| 2902 | * |
| 2903 | * @since 2.5.0 |
| 2904 | * |
| 2905 | * @param string $groupby The GROUP BY clause of the query. |