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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 |
|---|---|
| 722 | * @type string $where The WHERE clause of the query. |
| 723 | * @type string $distinct The DISTINCT clause of the query. |
| 724 | * @type string $orderby The ORDER BY clause of the query. |
| 725 | * @type string $order The ORDER clause of the query. |
| 726 | * @type string $limits The LIMIT clause of the query. |
| 727 | * } |
| 728 | * @param string[] $taxonomies An array of taxonomy names. |
| 729 | * @param array $args An array of term query arguments. |
| 730 | */ |
| 731 | $clauses = apply_filters( 'terms_clauses', compact( $pieces ), $taxonomies, $args ); |
| 732 | |
| 733 | $fields = isset( $clauses['fields'] ) ? $clauses['fields'] : ''; |
| 734 | $join = isset( $clauses['join'] ) ? $clauses['join'] : ''; |
| 735 | $where = isset( $clauses['where'] ) ? $clauses['where'] : ''; |
| 736 | $distinct = isset( $clauses['distinct'] ) ? $clauses['distinct'] : ''; |
| 737 | $orderby = isset( $clauses['orderby'] ) ? $clauses['orderby'] : ''; |
| 738 | $order = isset( $clauses['order'] ) ? $clauses['order'] : ''; |
| 739 | $limits = isset( $clauses['limits'] ) ? $clauses['limits'] : ''; |
| 740 | |