Getting the first quote or blockquote element to display in excerpt

[Jason Penezich]

I’m doing a custom excerpt as a function but need a way for quote format posts to grab and display the first quote or blockquote used in the content.

Currently this is what I am doing:

function improved_trim_excerpt($text) {
        global $post;
        if ( '' == $text ) {
                $text = get_the_content('');
                $text = apply_filters('the_content', $text);
                $text = str_replace('\]\]\>', ']]>', $text);
                $text = preg_replace('@<script[^>]*?>.*?</script>@si', '', $text);
                if ( has_post_format('quote') ) {
                    $text = strip_tags($text, '<quote> <blockquote> <p>');
                }
                elseif ( has_post_format( 'video' ) ) {
                    $postcustom = get_post_custom_keys();
                    $text = strip_tags($text, '<p>');
                    if ($postcustom){
                      $i = 1;
                      foreach ($postcustom as $key){
                        if (strpos($key,'oembed')){
                          foreach (get_post_custom_values($key) as $video){
                            if ($i == 1){
                              $text = $video.$text;
                            }
                          $i++;
                          }
                        }  
                      }
                    }
                }
                else {
                    $text = strip_tags($text, '<p> <a> <ul> <ol> <li>');
                }
                $excerpt_length = 35;
                $words = explode(' ', $text, $excerpt_length + 1);
                if (count($words)> $excerpt_length) {
                    array_pop($words);
                    array_push($words, '<a>ID) . '"> ....</a>' );
                    $text = implode(' ', $words);
                }

        }       
        return $text;
}
remove_filter('get_the_excerpt', 'wp_trim_excerpt');
add_filter('the_excerpt', 'improved_trim_excerpt'); 

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