diff options
Diffstat (limited to 'system/core/Utf8.php')
| -rw-r--r-- | system/core/Utf8.php | 73 |
1 files changed, 36 insertions, 37 deletions
diff --git a/system/core/Utf8.php b/system/core/Utf8.php index 2a27d1f35..0a7ec501c 100644 --- a/system/core/Utf8.php +++ b/system/core/Utf8.php @@ -1,20 +1,30 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP 5.2.4 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. * * @package CodeIgniter - * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, 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 * @filesource */ -// ------------------------------------------------------------------------ - /** * Utf8 Class * @@ -23,7 +33,7 @@ * @package CodeIgniter * @subpackage Libraries * @category UTF-8 - * @author ExpressionEngine Dev Team + * @author EllisLab Dev Team * @link http://codeigniter.com/user_guide/libraries/utf8.html */ class CI_Utf8 { @@ -33,23 +43,23 @@ class CI_Utf8 { * * Determines if UTF-8 support is to be enabled * + * @return void */ - function __construct() + public function __construct() { - log_message('debug', "Utf8 Class Initialized"); + log_message('debug', 'Utf8 Class Initialized'); global $CFG; if ( - preg_match('/./u', 'é') === 1 // PCRE must support UTF-8 - AND function_exists('iconv') // iconv must be installed - AND ini_get('mbstring.func_overload') != 1 // Multibyte string function overloading cannot be enabled - AND $CFG->item('charset') == 'UTF-8' // Application charset must be UTF-8 + @preg_match('/./u', 'é') === 1 // PCRE must support UTF-8 + && function_exists('iconv') // iconv must be installed + && (bool) @ini_get('mbstring.func_overload') !== TRUE // Multibyte string function overloading cannot be enabled + && $CFG->item('charset') === 'UTF-8' // Application charset must be UTF-8 ) { - log_message('debug', "UTF-8 Support Enabled"); - define('UTF8_ENABLED', TRUE); + log_message('debug', 'UTF-8 Support Enabled'); // set internal encoding for multibyte string functions if necessary // and set a flag so we don't have to repeatedly use extension_loaded() @@ -66,8 +76,8 @@ class CI_Utf8 { } else { - log_message('debug', "UTF-8 Support Disabled"); define('UTF8_ENABLED', FALSE); + log_message('debug', 'UTF-8 Support Disabled'); } } @@ -78,11 +88,10 @@ class CI_Utf8 { * * Ensures strings are UTF-8 * - * @access public * @param string * @return string */ - function clean_string($str) + public function clean_string($str) { if ($this->_is_ascii($str) === FALSE) { @@ -101,11 +110,10 @@ class CI_Utf8 { * line feeds, and carriage returns, as all others can cause * problems in XML * - * @access public * @param string * @return string */ - function safe_ascii_for_xml($str) + public function safe_ascii_for_xml($str) { return remove_invisible_characters($str, FALSE); } @@ -117,27 +125,22 @@ class CI_Utf8 { * * Attempts to convert a string to UTF-8 * - * @access public * @param string - * @param string - input encoding + * @param string input encoding * @return string */ - function convert_to_utf8($str, $encoding) + public function convert_to_utf8($str, $encoding) { if (function_exists('iconv')) { - $str = @iconv($encoding, 'UTF-8', $str); + return @iconv($encoding, 'UTF-8', $str); } elseif (function_exists('mb_convert_encoding')) { - $str = @mb_convert_encoding($str, 'UTF-8', $encoding); - } - else - { - return FALSE; + return @mb_convert_encoding($str, 'UTF-8', $encoding); } - return $str; + return FALSE; } // -------------------------------------------------------------------- @@ -147,19 +150,15 @@ class CI_Utf8 { * * Tests if a string is standard 7-bit ASCII or not * - * @access public * @param string * @return bool */ - function _is_ascii($str) + protected function _is_ascii($str) { - return (preg_match('/[^\x00-\x7F]/S', $str) == 0); + return (preg_match('/[^\x00-\x7F]/S', $str) === 0); } - // -------------------------------------------------------------------- - } -// End Utf8 Class /* End of file Utf8.php */ /* Location: ./system/core/Utf8.php */
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