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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 |
|---|---|
| 335 | foreach ($posts as $post) { |
| 336 | setup_postdata( $post ); |
| 337 | |
| 338 | $is_sticky = 0; |
| 339 | if ( is_sticky( $post->ID ) ) |
| 340 | $is_sticky = 1; |
| 341 | |
| 342 | ?> |
| 343 | <item> |
| 344 | <title><?php echo apply_filters( 'the_title_rss', $post->post_title ); ?></title> |
| 345 | <link><?php the_permalink_rss() ?></link> |
| 346 | <pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ); ?></pubDate> |
| 347 | <dc:creator><?php echo wxr_cdata( get_the_author() ); ?></dc:creator> |
| 348 | <?php wxr_post_taxonomy() ?> |
| 349 | |
| 350 | <guid isPermaLink="false"><?php esc_url( the_guid() ); ?></guid> |
| 351 | <description></description> |
| 352 | <content:encoded><?php echo wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) ); ?></content:encoded> |
| 353 | <excerpt:encoded><?php echo wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) ); ?></excerpt:encoded> |