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 |
|---|---|
| 3477 | * Filter the SELECT clause of the query. |
| 3478 | * |
| 3479 | * For use by caching plugins. |
| 3480 | * |
| 3481 | * @since 2.5.0 |
| 3482 | * |
| 3483 | * @param string $fields The SELECT clause of the query. |
| 3484 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
| 3485 | */ |
| 3486 | $fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) ); |
| 3487 | |
| 3488 | /** |
| 3489 | * Filter the LIMIT clause of the query. |
| 3490 | * |
| 3491 | * For use by caching plugins. |
| 3492 | * |
| 3493 | * @since 2.5.0 |
| 3494 | * |
| 3495 | * @param string $limits The LIMIT clause of the query. |