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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
2990      } else {
2991           /** This filter is documented in wp-includes/post-template.php */
2992           $excerpt = apply_filters( 'the_excerpt', $post->post_excerpt );
2993      }
2994
2995      $excerpt = str_replace( ']]>', ']]>', $excerpt );
2996      $excerpt = wp_html_excerpt( $excerpt, 252, '…' );
2997
2998      /** This filter is documented in wp-includes/post-template.php */
2999      $post_title = apply_filters( 'the_title', $post->post_title, $post->ID );
3000      $post_title = strip_tags( $post_title );
3001
3002      if ( $to_ping ) {
3003           foreach ( (array) $to_ping as $tb_ping ) {
3004                $tb_ping = trim( $tb_ping );
3005                if ( ! in_array( $tb_ping, $pinged, true ) ) {
3006                     trackback( $tb_ping, $post_title, $excerpt, $post->ID );
3007                     $pinged[] = $tb_ping;
3008                } else {