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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 |
---|---|
580 | } |
581 |
|
582 | if ( in_array( 'slug', $fields, true ) ) { |
583 | $data['slug'] = $post->post_name; |
584 | } |
585 |
|
586 | if ( in_array( 'guid', $fields, true ) ) { |
587 | $data['guid'] = array( |
588 | /** This filter is documented in wp-includes/post-template.php */ |
589 | 'rendered' => apply_filters( 'get_the_guid', $post->guid, $post->ID ), |
590 | 'raw' => $post->guid, |
591 | ); |
592 | } |
593 |
|
594 | if ( in_array( 'title', $fields, true ) ) { |
595 | $data['title'] = array( |
596 | 'raw' => $post->post_title, |
597 | 'rendered' => get_the_title( $post->ID ), |
598 | ); |