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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 |
|---|---|
| 1721 | do_action_ref_array( 'generate_rewrite_rules', array( &$this ) ); |
| 1722 | |
| 1723 | /** |
| 1724 | * Filter the full set of generated rewrite rules. |
| 1725 | * |
| 1726 | * @since 1.5.0 |
| 1727 | * |
| 1728 | * @param array $this->rules The compiled array of rewrite rules. |
| 1729 | */ |
| 1730 | $this->rules = apply_filters( 'rewrite_rules_array', $this->rules ); |
| 1731 | |
| 1732 | return $this->rules; |
| 1733 | } |
| 1734 | |
| 1735 | /** |
| 1736 | * Retrieve the rewrite rules. |
| 1737 | * |
| 1738 | * The difference between this method and {@link |
| 1739 | * WP_Rewrite::rewrite_rules()} is that this method stores the rewrite rules |