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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 |
|---|---|
| 42 | <sy:updatePeriod> |
| 43 | <?php |
| 44 | /** This filter is documented in wp-includes/feed-rss2.php */ |
| 45 | echo apply_filters( 'rss_update_period', 'hourly' ); |
| 46 | ?> |
| 47 | </sy:updatePeriod> |
| 48 | <sy:updateFrequency> |
| 49 | <?php |
| 50 | /** This filter is documented in wp-includes/feed-rss2.php */ |
| 51 | echo apply_filters( 'rss_update_frequency', '1' ); |
| 52 | ?> |
| 53 | </sy:updateFrequency> |
| 54 | <sy:updateBase>2000-01-01T12:00+00:00</sy:updateBase> |
| 55 | <?php |
| 56 | /** |
| 57 | * Fires at the end of the RDF feed header. |
| 58 | * |
| 59 | * @since 2.0.0 |
| 60 | */ |