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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 |
---|---|
2911 | * Filters the JOIN clause of the query. |
2912 | * |
2913 | * For use by caching plugins. |
2914 | * |
2915 | * @since 2.5.0 |
2916 | * |
2917 | * @param string $join The JOIN clause of the query. |
2918 | * @param WP_Query $query The WP_Query instance (passed by reference). |
2919 | */ |
2920 | $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) ); |
2921 |
|
2922 | /** |
2923 | * Filters the ORDER BY clause of the query. |
2924 | * |
2925 | * For use by caching plugins. |
2926 | * |
2927 | * @since 2.5.0 |
2928 | * |
2929 | * @param string $orderby The ORDER BY clause of the query. |