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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 |
---|---|
2649 | * Filters the JOIN clause of the query. |
2650 | * |
2651 | * For use by caching plugins. |
2652 | * |
2653 | * @since 2.5.0 |
2654 | * |
2655 | * @param string $join The JOIN clause of the query. |
2656 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
2657 | */ |
2658 | $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) ); |
2659 |
|
2660 | /** |
2661 | * Filters the ORDER BY clause of the query. |
2662 | * |
2663 | * For use by caching plugins. |
2664 | * |
2665 | * @since 2.5.0 |
2666 | * |
2667 | * @param string $orderby The ORDER BY clause of the query. |