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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 |
|---|---|
| 2003 | $results = $wpdb->get_results( $query ); |
| 2004 | wp_cache_set( $key, $results, 'posts' ); |
| 2005 | } |
| 2006 | if ( $results ) { |
| 2007 | foreach ( (array) $results as $result ) { |
| 2008 | if ( $result->post_date != '0000-00-00 00:00:00' ) { |
| 2009 | $url = get_permalink( $result ); |
| 2010 | if ( $result->post_title ) { |
| 2011 | /** This filter is documented in wp-includes/post-template.php */ |
| 2012 | $text = strip_tags( apply_filters( 'the_title', $result->post_title, $result->ID ) ); |
| 2013 | } else { |
| 2014 | $text = $result->ID; |
| 2015 | } |
| 2016 | $selected = $result->ID === get_the_ID(); |
| 2017 | $output .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected ); |
| 2018 | } |
| 2019 | } |
| 2020 | } |
| 2021 | } |