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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 |
|---|---|
| 1763 | $this->is_feed = $is_feed; |
| 1764 | |
| 1765 | /** |
| 1766 | * Fires after a 404 is triggered. |
| 1767 | * |
| 1768 | * @since 5.5.0 |
| 1769 | * |
| 1770 | * @param WP_Query $query The WP_Query instance (passed by reference). |
| 1771 | */ |
| 1772 | do_action_ref_array( 'set_404', array( $this ) ); |
| 1773 | } |
| 1774 | |
| 1775 | /** |
| 1776 | * Retrieves the value of a query variable. |
| 1777 | * |
| 1778 | * @since 1.5.0 |
| 1779 | * @since 3.9.0 The `$default_value` argument was introduced. |
| 1780 | * |
| 1781 | * @param string $query_var Query variable key. |