diff options
Diffstat (limited to 'system/core/Utf8.php')
-rw-r--r-- | system/core/Utf8.php | 45 |
1 files changed, 17 insertions, 28 deletions
diff --git a/system/core/Utf8.php b/system/core/Utf8.php index 828a8aeba..c789a7ba4 100644 --- a/system/core/Utf8.php +++ b/system/core/Utf8.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2013, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.0 @@ -48,28 +48,10 @@ class CI_Utf8 { */ public function __construct() { - log_message('debug', 'Utf8 Class Initialized'); - - $charset = strtoupper(config_item('charset')); - - // set internal encoding for multibyte string functions if necessary - // and set a flag so we don't have to repeatedly use extension_loaded() - // or function_exists() - if (extension_loaded('mbstring')) - { - define('MB_ENABLED', TRUE); - mb_internal_encoding($charset); - } - else - { - define('MB_ENABLED', FALSE); - } - if ( - defined('PREG_BAD_UTF8_ERROR') // PCRE must support UTF-8 - && function_exists('iconv') // iconv must be installed - && MB_ENABLED === TRUE // mbstring must be enabled - && $charset === 'UTF-8' // Application charset must be UTF-8 + defined('PREG_BAD_UTF8_ERROR') // PCRE must support UTF-8 + && (ICONV_ENABLED === TRUE OR MB_ENABLED === TRUE) // iconv or mbstring must be installed + && strtoupper(config_item('charset')) === 'UTF-8' // Application charset must be UTF-8 ) { define('UTF8_ENABLED', TRUE); @@ -80,6 +62,8 @@ class CI_Utf8 { define('UTF8_ENABLED', FALSE); log_message('debug', 'UTF-8 Support Disabled'); } + + log_message('debug', 'Utf8 Class Initialized'); } // -------------------------------------------------------------------- @@ -89,16 +73,21 @@ class CI_Utf8 { * * Ensures strings contain only valid UTF-8 characters. * - * @uses CI_Utf8::_is_ascii() Decide whether a conversion is needed - * * @param string $str String to clean * @return string */ public function clean_string($str) { - if ($this->_is_ascii($str) === FALSE) + if ($this->is_ascii($str) === FALSE) { - $str = @iconv('UTF-8', 'UTF-8//IGNORE', $str); + if (ICONV_ENABLED) + { + $str = @iconv('UTF-8', 'UTF-8//IGNORE', $str); + } + elseif (MB_ENABLED) + { + $str = mb_convert_encoding($str, 'UTF-8', 'UTF-8'); + } } return $str; @@ -134,7 +123,7 @@ class CI_Utf8 { */ public function convert_to_utf8($str, $encoding) { - if (function_exists('iconv')) + if (ICONV_ENABLED) { return @iconv($encoding, 'UTF-8', $str); } @@ -156,7 +145,7 @@ class CI_Utf8 { * @param string $str String to check * @return bool */ - protected function _is_ascii($str) + public function is_ascii($str) { return (preg_match('/[^\x00-\x7F]/S', $str) === 0); } |