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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 |
---|---|
565 | $content = wxr_cdata( apply_filters( 'the_content_export', $post->post_content ) ); |
566 |
|
567 | /** |
568 | * Filters the post excerpt used for WXR exports. |
569 | * |
570 | * @since 2.6.0 |
571 | * |
572 | * @param string $post_excerpt Excerpt for the current post. |
573 | */ |
574 | $excerpt = wxr_cdata( apply_filters( 'the_excerpt_export', $post->post_excerpt ) ); |
575 |
|
576 | $is_sticky = is_sticky( $post->ID ) ? 1 : 0; |
577 | ?> |
578 | <item> |
579 | <title><?php echo $title; ?></title> |
580 | <link><?php the_permalink_rss(); ?></link> |
581 | <pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ); ?></pubDate> |
582 | <dc:creator><?php echo wxr_cdata( get_the_author_meta( 'login' ) ); ?></dc:creator> |
583 | <guid isPermaLink="false"><?php the_guid(); ?></guid> |