PHP Strings::checkEncoding方法代码示例

 /**
  * Sets a header.
  * @param  string
  * @param  string|array  value or pair email => name
  * @param  bool
  * @return MailMimePart  provides a fluent interface
  */
 public function setHeader($name, $value, $append = FALSE)
 {
     if (!$name || preg_match('#[^a-z0-9-]#i', $name)) {
         throw new InvalidArgumentException("Header name must be non-empty alphanumeric string, '{$name}' given.");
     }
     if ($value == NULL) {
         // intentionally ==
         if (!$append) {
             unset($this->headers[$name]);
         }
     } elseif (is_array($value)) {
         // email
         $tmp =& $this->headers[$name];
         if (!$append || !is_array($tmp)) {
             $tmp = array();
         }
         foreach ($value as $email => $recipient) {
             if ($recipient !== NULL && !Strings::checkEncoding($recipient)) {
                 Validators::assert($recipient, 'unicode', "header '{$name}'");
             }
             if (preg_match('#[\\r\\n]#', $recipient)) {
                 throw new InvalidArgumentException("Name must not contain line separator.");
             }
             Validators::assert($email, 'email', "header '{$name}'");
             $tmp[$email] = $recipient;
         }
     } else {
         $value = (string) $value;
         if (!Strings::checkEncoding($value)) {
             throw new InvalidArgumentException("Header is not valid UTF-8 string.");
         }
         $this->headers[$name] = preg_replace('#[\\r\\n]+#', ' ', $value);
     }
     return $this;
 }

 /**
  * Process all {macros} and <tags/>.
  * @param  string
  * @return array
  */
 public function parse($input)
 {
     if (substr($input, 0, 3) === "") {
         // BOM
         $input = substr($input, 3);
     }
     if (!Strings::checkEncoding($input)) {
         throw new InvalidArgumentException('Template is not valid UTF-8 stream.');
     }
     $input = str_replace("\r\n", "\n", $input);
     $this->input = $input;
     $this->output = array();
     $this->offset = 0;
     $this->setSyntax($this->defaultSyntax);
     $this->setContext(self::CONTEXT_TEXT);
     $this->lastHtmlTag = $this->syntaxEndTag = NULL;
     while ($this->offset < strlen($input)) {
         $matches = $this->{"context" . $this->context[0]}();
         if (!$matches) {
             // EOF
             break;
         } elseif (!empty($matches['comment'])) {
             // {* *}
             $this->addToken(LatteToken::COMMENT, $matches[0]);
         } elseif (!empty($matches['macro'])) {
             // {macro}
             $token = $this->addToken(LatteToken::MACRO_TAG, $matches[0]);
             list($token->name, $token->value, $token->modifiers) = $this->parseMacroTag($matches['macro']);
         }
         $this->filter();
     }
     if ($this->offset < strlen($input)) {
         $this->addToken(LatteToken::TEXT, substr($this->input, $this->offset));
     }
     return $this->output;
 }

 /**
  * Creates current HttpRequest object.
  * @return HttpRequest
  */
 public function createHttpRequest()
 {
     // DETECTS URI, base path and script path of the request.
     $url = new UrlScript();
     $url->scheme = !empty($_SERVER['HTTPS']) && strcasecmp($_SERVER['HTTPS'], 'off') ? 'https' : 'http';
     $url->user = isset($_SERVER['PHP_AUTH_USER']) ? $_SERVER['PHP_AUTH_USER'] : '';
     $url->password = isset($_SERVER['PHP_AUTH_PW']) ? $_SERVER['PHP_AUTH_PW'] : '';
     // host & port
     if (isset($_SERVER['HTTP_HOST'])) {
         $pair = explode(':', $_SERVER['HTTP_HOST']);
     } elseif (isset($_SERVER['SERVER_NAME'])) {
         $pair = explode(':', $_SERVER['SERVER_NAME']);
     } else {
         $pair = array('');
     }
     $url->host = preg_match('#^[-._a-z0-9]+$#', $pair[0]) ? $pair[0] : '';
     if (isset($pair[1])) {
         $url->port = (int) $pair[1];
     } elseif (isset($_SERVER['SERVER_PORT'])) {
         $url->port = (int) $_SERVER['SERVER_PORT'];
     }
     // path & query
     if (isset($_SERVER['REQUEST_URI'])) {
         // Apache, IIS 6.0
         $requestUrl = $_SERVER['REQUEST_URI'];
     } elseif (isset($_SERVER['ORIG_PATH_INFO'])) {
         // IIS 5.0 (PHP as CGI ?)
         $requestUrl = $_SERVER['ORIG_PATH_INFO'];
         if (isset($_SERVER['QUERY_STRING']) && $_SERVER['QUERY_STRING'] != '') {
             $requestUrl .= '?' . $_SERVER['QUERY_STRING'];
         }
     } else {
         $requestUrl = '';
     }
     $requestUrl = Strings::replace($requestUrl, $this->urlFilters['url']);
     $tmp = explode('?', $requestUrl, 2);
     $url->path = Strings::replace($tmp[0], $this->urlFilters['path']);
     $url->query = isset($tmp[1]) ? $tmp[1] : '';
     // normalized url
     $url->canonicalize();
     $url->path = Strings::fixEncoding($url->path);
     // detect script path
     if (isset($_SERVER['SCRIPT_NAME'])) {
         $script = $_SERVER['SCRIPT_NAME'];
     } elseif (isset($_SERVER['DOCUMENT_ROOT'], $_SERVER['SCRIPT_FILENAME']) && strncmp($_SERVER['DOCUMENT_ROOT'], $_SERVER['SCRIPT_FILENAME'], strlen($_SERVER['DOCUMENT_ROOT'])) === 0) {
         $script = '/' . ltrim(strtr(substr($_SERVER['SCRIPT_FILENAME'], strlen($_SERVER['DOCUMENT_ROOT'])), '\\', '/'), '/');
     } else {
         $script = '/';
     }
     $path = strtolower($url->path) . '/';
     $script = strtolower($script) . '/';
     $max = min(strlen($path), strlen($script));
     for ($i = 0; $i < $max; $i++) {
         if ($path[$i] !== $script[$i]) {
             break;
         } elseif ($path[$i] === '/') {
             $url->scriptPath = substr($url->path, 0, $i + 1);
         }
     }
     // GET, POST, COOKIE
     $useFilter = !in_array(ini_get('filter.default'), array('', 'unsafe_raw')) || ini_get('filter.default_flags');
     parse_str($url->query, $query);
     if (!$query) {
         $query = $useFilter ? filter_input_array(INPUT_GET, FILTER_UNSAFE_RAW) : (empty($_GET) ? array() : $_GET);
     }
     $post = $useFilter ? filter_input_array(INPUT_POST, FILTER_UNSAFE_RAW) : (empty($_POST) ? array() : $_POST);
     $cookies = $useFilter ? filter_input_array(INPUT_COOKIE, FILTER_UNSAFE_RAW) : (empty($_COOKIE) ? array() : $_COOKIE);
     $gpc = (bool) get_magic_quotes_gpc();
     $old = error_reporting(error_reporting() ^ E_NOTICE);
     // remove fucking quotes and check (and optionally convert) encoding
     if ($gpc || $this->encoding) {
         $utf = strcasecmp($this->encoding, 'UTF-8') === 0;
         $list = array(&$query, &$post, &$cookies);
         while (list($key, $val) = each($list)) {
             foreach ($val as $k => $v) {
                 unset($list[$key][$k]);
                 if ($gpc) {
                     $k = stripslashes($k);
                 }
                 if ($this->encoding && is_string($k) && (preg_match(self::NONCHARS, $k) || preg_last_error())) {
                     // invalid key -> ignore
                 } elseif (is_array($v)) {
                     $list[$key][$k] = $v;
                     $list[] =& $list[$key][$k];
                 } else {
                     if ($gpc && !$useFilter) {
                         $v = stripSlashes($v);
                     }
                     if ($this->encoding) {
                         if ($utf) {
                             $v = Strings::fixEncoding($v);
                         } else {
                             if (!Strings::checkEncoding($v)) {
                                 $v = iconv($this->encoding, 'UTF-8//IGNORE', $v);
                             }
                             $v = html_entity_decode($v, ENT_QUOTES, 'UTF-8');
//.........这里部分代码省略.........