diff options
Diffstat (limited to 'system/core')
| -rw-r--r-- | system/core/Log.php | 53 | ||||
| -rw-r--r-- | system/core/Output.php | 62 |
2 files changed, 106 insertions, 9 deletions
diff --git a/system/core/Log.php b/system/core/Log.php index 986121526..cf6c75a95 100644 --- a/system/core/Log.php +++ b/system/core/Log.php @@ -104,6 +104,13 @@ class CI_Log { */ protected $_levels = array('ERROR' => 1, 'DEBUG' => 2, 'INFO' => 3, 'ALL' => 4); + /** + * mbstring.func_override flag + * + * @var bool + */ + protected static $func_override; + // -------------------------------------------------------------------- /** @@ -115,6 +122,8 @@ class CI_Log { { $config =& get_config(); + isset(self::$func_override) OR self::$func_override = (extension_loaded('mbstring') && ini_get('mbstring.func_override')); + $this->_log_path = ($config['log_path'] !== '') ? $config['log_path'] : APPPATH.'logs/'; $this->_file_ext = (isset($config['log_file_extension']) && $config['log_file_extension'] !== '') ? ltrim($config['log_file_extension'], '.') : 'php'; @@ -208,9 +217,9 @@ class CI_Log { $message .= $this->_format_line($level, $date, $msg); - for ($written = 0, $length = strlen($message); $written < $length; $written += $result) + for ($written = 0, $length = self::strlen($message); $written < $length; $written += $result) { - if (($result = fwrite($fp, substr($message, $written))) === FALSE) + if (($result = fwrite($fp, self::substr($message, $written))) === FALSE) { break; } @@ -244,4 +253,44 @@ class CI_Log { { return $level.' - '.$date.' --> '.$message."\n"; } + + // -------------------------------------------------------------------- + + /** + * Byte-safe strlen() + * + * @param string $str + * @return int + */ + protected static function strlen($str) + { + return (self::$func_override) + ? mb_strlen($str, '8bit') + : strlen($str); + } + + // -------------------------------------------------------------------- + + /** + * Byte-safe substr() + * + * @param string $str + * @param int $start + * @param int $length + * @return string + */ + protected static function substr($str, $start, $length = NULL) + { + if (self::$func_override) + { + // mb_substr($str, $start, null, '8bit') returns an empty + // string on PHP 5.3 + isset($length) OR $length = ($start >= 0 ? self::strlen($str) - $start : -$start); + return mb_substr($str, $start, $length, '8bit'); + } + + return isset($length) + ? substr($str, $start, $length) + : substr($str, $start); + } } diff --git a/system/core/Output.php b/system/core/Output.php index 06ff1011c..cf6510ff1 100644 --- a/system/core/Output.php +++ b/system/core/Output.php @@ -123,6 +123,13 @@ class CI_Output { public $parse_exec_vars = TRUE; /** + * mbstring.func_override flag + * + * @var bool + */ + protected static $func_override; + + /** * Class constructor * * Determines whether zLib output compression will be used. @@ -138,6 +145,8 @@ class CI_Output { && extension_loaded('zlib') ); + isset(self::$func_override) OR self::$func_override = (extension_loaded('mbstring') && ini_get('mbstring.func_override')); + // Get mime types for later $this->mimes =& get_mimes(); @@ -304,9 +313,9 @@ class CI_Output { for ($i = 0, $c = count($headers); $i < $c; $i++) { - if (strncasecmp($header, $headers[$i], $l = strlen($header)) === 0) + if (strncasecmp($header, $headers[$i], $l = self::strlen($header)) === 0) { - return trim(substr($headers[$i], $l+1)); + return trim(self::substr($headers[$i], $l+1)); } } @@ -480,13 +489,13 @@ class CI_Output { if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE) { header('Content-Encoding: gzip'); - header('Content-Length: '.strlen($output)); + header('Content-Length: '.self::strlen($output)); } else { // User agent doesn't support gzip compression, // so we'll have to decompress our cache - $output = gzinflate(substr($output, 10, -8)); + $output = gzinflate(self::substr($output, 10, -8)); } } @@ -601,9 +610,9 @@ class CI_Output { $output = $cache_info.'ENDCI--->'.$output; - for ($written = 0, $length = strlen($output); $written < $length; $written += $result) + for ($written = 0, $length = self::strlen($output); $written < $length; $written += $result) { - if (($result = fwrite($fp, substr($output, $written))) === FALSE) + if (($result = fwrite($fp, self::substr($output, $written))) === FALSE) { break; } @@ -711,7 +720,7 @@ class CI_Output { } // Display the cache - $this->_display(substr($cache, strlen($match[0]))); + $this->_display(self::substr($cache, self::strlen($match[0]))); log_message('debug', 'Cache file is current. Sending it to browser.'); return TRUE; } @@ -797,4 +806,43 @@ class CI_Output { } } + // -------------------------------------------------------------------- + + /** + * Byte-safe strlen() + * + * @param string $str + * @return int + */ + protected static function strlen($str) + { + return (self::$func_override) + ? mb_strlen($str, '8bit') + : strlen($str); + } + + // -------------------------------------------------------------------- + + /** + * Byte-safe substr() + * + * @param string $str + * @param int $start + * @param int $length + * @return string + */ + protected static function substr($str, $start, $length = NULL) + { + if (self::$func_override) + { + // mb_substr($str, $start, null, '8bit') returns an empty + // string on PHP 5.3 + isset($length) OR $length = ($start >= 0 ? self::strlen($str) - $start : -$start); + return mb_substr($str, $start, $length, '8bit'); + } + + return isset($length) + ? substr($str, $start, $length) + : substr($str, $start); + } } |