PHP MultiByte::str_replace方法代码示例

	/**
	 * Turns a comma-separated string or array of terms into an array of Term objects
	 * @param mixed $terms A comma-separated string or array of string terms
	 * @param string $term_class The class of the Term object type to create from each string
	 * @param Vocabulary $vocabulary An instance of the Vocabulary that might hold the terms.  
	 * 	 Use existing term object data if found in the specified vocabulary.   	 
	 * @return Terms An instance of Terms contianing the specified Term objects
	 **/
	public static function parse( $terms, $term_class = 'Term', $vocabulary = null )
	{
		if ( is_string( $terms ) ) {
			if ( '' === $terms ) {
				return new Terms();
			}
			$terms = trim( MultiByte::str_replace( '"', '"', $terms ) );
			// dirrty ;)
			$rez = array( '\\"'=>':__unlikely_quote__:', '\\\''=>':__unlikely_apos__:' );
			$zer = array( ':__unlikely_quote__:'=>'"', ':__unlikely_apos__:'=>"'" );
			// escape
			$tagstr = str_replace( array_keys( $rez ), $rez, $terms );
			// match-o-matic
			preg_match_all( '/((("|((?<= )|^)\')\\S([^\\3]*?)\\3((?=[\\W])|$))|[^,])+/u', $tagstr, $matches );
			// cleanup
			$terms = array_map( 'trim', $matches[0] );
			$terms = preg_replace( array_fill( 0, count( $terms ), '/^(["\'])(((?!").)+)(\\1)$/' ), '$2', $terms );
			// unescape
			$terms = str_replace( array_keys( $zer ), $zer, $terms );
			// hooray
		}
		if ( is_array( $terms ) ) {
			if ( $vocabulary instanceof Vocabulary ) {
				foreach ( $terms as $k => $term ) {
					if ( $saved_term = $vocabulary->get_term( $term, $term_class ) ) {
						$terms[$k] = $saved_term;
					}
					else {
						$terms[$k] = new $term_class( $term );
					}
				}
//Utils::debug($terms);
			}
			else {
				array_walk( $terms, create_function( '&$tag', '$tag = new ' . $term_class . '($tag);' ) );
			}
			return new Terms( $terms );
		}
		return new Terms();
	}

//.........这里部分代码省略.........
     $where_filters['vocabulary'] = array();
     if (array_key_exists('tag', $where_filters)) {
         $tags = Tags::parse_url_tags($where_filters['tag']);
         $not_tag = $tags['exclude_tag'];
         $all_tag = $tags['include_tag'];
         if (count($not_tag) > 0) {
             $where_filters['vocabulary'] = array_merge($where_filters['vocabulary'], array(Tags::vocabulary()->name . ':not:term' => $not_tag));
         }
         if (count($all_tag) > 0) {
             $where_filters['vocabulary'] = array_merge($where_filters['vocabulary'], array(Tags::vocabulary()->name . ':all:term' => $all_tag));
         }
         $where_filters['tag_slug'] = Utils::slugify($where_filters['tag']);
         unset($where_filters['tag']);
     }
     if (!isset($_GET['preview'])) {
         $where_filters['status'] = Post::status('published');
     }
     if (!isset($posts)) {
         $user_filters = Plugins::filter('template_user_filters', $user_filters);
         // Work around the tags parameters to Posts::get() being subsumed by the vocabulary parameter
         if (isset($user_filters['not:tag'])) {
             $user_filters['vocabulary'] = array(Tags::vocabulary()->name . ':not:term' => $user_filters['not:tag']);
             unset($user_filters['not:tag']);
         }
         if (isset($user_filters['tag'])) {
             $user_filters['vocabulary'] = array(Tags::vocabulary()->name . ':term_display' => $user_filters['tag']);
             unset($user_filters['tag']);
         }
         $where_filters = $where_filters->merge($user_filters);
         $where_filters = Plugins::filter('template_where_filters', $where_filters);
         $posts = Posts::get($where_filters);
     }
     $this->assign('posts', $posts);
     if ($posts !== false && count($posts) > 0) {
         if (count($posts) == 1) {
             $post = $posts instanceof Post ? $posts : reset($posts);
             Stack::add('body_class', Post::type_name($post->content_type) . '-' . $post->id);
             Stack::add('body_class', 'single');
         } else {
             $post = reset($posts);
             Stack::add('body_class', 'multiple');
         }
         $this->assign('post', $post);
         $type = Post::type_name($post->content_type);
     } elseif ($posts === false || isset($where_filters['page']) && $where_filters['page'] > 1 && count($posts) == 0) {
         if ($this->template_exists('404')) {
             $fallback = array('404');
             // Replace template variables with the 404 rewrite rule
             $this->request->{URL::get_matched_rule()->name} = false;
             $this->request->{URL::set_404()->name} = true;
             $this->matched_rule = URL::get_matched_rule();
             // 404 status header sent in act_display_404, but we're past
             // that, so send it now.
             header('HTTP/1.1 404 Not Found', true, 404);
         } else {
             $this->display('header');
             echo '<h2>';
             _e("Whoops! 404. The page you were trying to access is not really there. Please try again.");
             echo '</h2>';
             header('HTTP/1.1 404 Not Found', true, 404);
             $this->display('footer');
             die;
         }
     }
     $extract = $where_filters->filter_keys('page', 'type', 'id', 'slug', 'posttag', 'year', 'month', 'day', 'tag', 'tag_slug');
     foreach ($extract as $key => $value) {
         ${$key} = $value;
     }
     $this->assign('page', isset($page) ? $page : 1);
     if (!isset($fallback)) {
         // Default fallbacks based on the number of posts
         $fallback = array('{$type}.{$id}', '{$type}.{$slug}', '{$type}.tag.{$posttag}');
         if (count($posts) > 1) {
             $fallback[] = '{$type}.multiple';
             $fallback[] = 'multiple';
         } else {
             $fallback[] = '{$type}.single';
             $fallback[] = 'single';
         }
     }
     $searches = array('{$id}', '{$slug}', '{$year}', '{$month}', '{$day}', '{$type}', '{$tag}');
     $replacements = array(isset($post) && $post instanceof Post ? $post->id : '-', isset($post) && $post instanceof Post ? $post->slug : '-', isset($year) ? $year : '-', isset($month) ? $month : '-', isset($day) ? $day : '-', isset($type) ? $type : '-', isset($tag_slug) ? $tag_slug : '-');
     $fallback[] = 'home';
     $fallback = Plugins::filter('template_fallback', $fallback, $posts, isset($post) ? $post : null);
     $fallback = array_values(array_unique(MultiByte::str_replace($searches, $replacements, $fallback)));
     for ($z = 0; $z < count($fallback); $z++) {
         if (MultiByte::strpos($fallback[$z], '{$posttag}') !== false && isset($post) && $post instanceof Post) {
             $replacements = array();
             if ($alltags = $post->tags) {
                 foreach ($alltags as $current_tag) {
                     $replacements[] = MultiByte::str_replace('{$posttag}', $current_tag->term, $fallback[$z]);
                 }
                 array_splice($fallback, $z, 1, $replacements);
             } else {
                 break;
             }
         }
     }
     return $this->display_fallback($fallback);
 }

 private function generate_title($min = 2, $max = 8)
 {
     // get a fake paragraph of text that's 1 line long
     $text = $this->generate_paragraph(1, 1);
     $text = MultiByte::strtolower($text);
     // remove commas and periods
     $text = MultiByte::str_replace(array('.', ','), '', $text);
     $words = explode(' ', $text);
     // randomize the words list
     shuffle($words);
     // we can only get the max number of words the paragraph generated
     if ($min > count($words)) {
         $min = count($words);
     }
     if ($max > count($words)) {
         $max = count($words);
     }
     // decide how many words we want
     $how_many_words = mt_rand($min, $max);
     $title = array();
     for ($i = 0; $i < $how_many_words; $i++) {
         // snag a random word
         $title[] = array_pop($words);
     }
     $title = implode(' ', $title);
     // capitalize the first letter of each word
     $title = MultiByte::ucwords($title);
     return $title;
 }