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                <?php defined('SYSPATH') or die('No direct access allowed.'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    2
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    3
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                 * A port of phputf8 to a unified file/class. Checks PHP status to ensure that  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    4
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                 * UTF-8 support is available and normalize global variables to UTF-8. It also  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    5
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                 * provides multi-byte aware replacement string functions.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    7
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                 * This file is licensed differently from the rest of Kohana. As a port of  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    8
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                 * phputf8, which is LGPL software, this file is released under the LGPL.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    10
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                 * PCRE needs to be compiled with UTF-8 support (--enable-utf8).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    11
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                 * Support for Unicode properties is highly recommended (--enable-unicode-properties).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    12
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                 * @see http://php.net/manual/reference.pcre.pattern.modifiers.php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    13
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    14
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                 * UTF-8 conversion will be much more reliable if the iconv extension is loaded.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @see http://php.net/iconv  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    17
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                 * The mbstring extension is highly recommended, but must not be overloading  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    18
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                 * string functions.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    19
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                 * @see http://php.net/mbstring  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    21
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                 * $Id: utf8.php 3769 2008-12-15 00:48:56Z zombor $  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    22
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    23
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                 * @package    Core  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author     Kohana Team  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    25
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                 * @copyright  (c) 2007 Kohana Team  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    26
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                 * @copyright  (c) 2005 Harry Fuecks  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    28
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    29
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                    30
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                if (! preg_match('/^.$/u', 'ñ')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    trigger_error(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    32
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                        '<a href="http://php.net/pcre">PCRE</a> has not been compiled with UTF-8 support. '.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    33
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                        'See <a href="http://php.net/manual/reference.pcre.pattern.modifiers.php">PCRE Pattern Modifiers</a> '.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    34
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                        'for more information. This application cannot be run without UTF-8 support.',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        E_USER_ERROR  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    36
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                    );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    37
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                if (! extension_loaded('iconv')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    40
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                    trigger_error(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    41
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                        'The <a href="http://php.net/iconv">iconv</a> extension is not loaded. '.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    42
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                        'Without iconv, strings cannot be properly translated to UTF-8 from user input. '.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    43
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                        'This application cannot be run without UTF-8 support.',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    44
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                        E_USER_ERROR  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    45
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                    );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    46
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    47
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                    48
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                if (extension_loaded('mbstring') and (ini_get('mbstring.func_overload') & MB_OVERLOAD_STRING)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    49
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                    trigger_error(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    50
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                        'The <a href="http://php.net/mbstring">mbstring</a> extension is overloading PHP\'s native string functions. '.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    51
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                        'Disable this by setting mbstring.func_overload to 0, 1, 4 or 5 in php.ini or a .htaccess file.'.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    52
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                        'This application cannot be run without UTF-8 support.',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    53
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                        E_USER_ERROR  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    54
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                    );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    55
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    57
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                // Check PCRE support for Unicode properties such as \p and \X.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    58
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                $ER = error_reporting(0);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    59
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                define('PCRE_UNICODE_PROPERTIES', (bool) preg_match('/^\pL$/u', 'ñ')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    60
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                error_reporting($ER);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    61
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                    62
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                // SERVER_UTF8 ? use mb_* functions : use non-native functions  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                if (extension_loaded('mbstring')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    mb_internal_encoding('UTF-8'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    65
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                    define('SERVER_UTF8', true); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    66
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                } else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    67
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                    define('SERVER_UTF8', false); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    68
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    70
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                // Convert all global variables to UTF-8.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    71
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                $_GET    = utf8::clean($_GET);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    72
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                $_POST   = utf8::clean($_POST);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    73
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                $_COOKIE = utf8::clean($_COOKIE);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    74
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                $_SERVER = utf8::clean($_SERVER);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    75
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                    76
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                if (PHP_SAPI == 'cli') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    77
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                    // Convert command line arguments  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    $_SERVER['argv'] = utf8::clean($_SERVER['argv']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    79
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    81
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                final class utf8  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    82
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    83
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                    84
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                    // Called methods  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    85
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                    public static $called = array();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    86
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                    87
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    88
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                     * Recursively cleans arrays, objects, and strings. Removes ASCII control  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    89
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                     * codes and converts to UTF-8 while silently discarding incompatible  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    90
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                     * UTF-8 characters.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    91
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    92
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                     * @param   string  string to clean  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    93
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                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    94
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    95
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                    public static function clean($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    96
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    97
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                        if (is_array($str) or is_object($str)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    98
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                            foreach ($str as $key => $val) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    99
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                                // Recursion!  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    100
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                                $str[self::clean($key)] = self::clean($val);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    101
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    102
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                        } elseif (is_string($str) and $str !== '') { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    103
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                            // Remove control characters  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    104
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                            $str = self::strip_ascii_ctrl($str);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    105
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                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    106
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                            if (! self::is_ascii($str)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    107
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                                // Disable notices  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    108
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                                $ER = error_reporting(~E_NOTICE);  | 
            
                            
                    | 
                        
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                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    109
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                    110
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                                // iconv is expensive, so it is only used when needed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    111
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                                $str = iconv('UTF-8', 'UTF-8//IGNORE', $str); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    112
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                | 
                    113
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                                // Turn notices back on  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    114
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                                error_reporting($ER);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    115
                 | 
                                    
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                            }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    116
                 | 
                                    
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    117
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                | 
                    118
                 | 
                                    
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                        return $str;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    119
                 | 
                                    
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    120
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                | 
                    121
                 | 
                                    
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    122
                 | 
                                    
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                     * Tests whether a string contains only 7bit ASCII bytes. This is used to  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    123
                 | 
                                    
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                     * determine when to use native functions or UTF-8 functions.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    124
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    125
                 | 
                                    
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                     * @param   string  string to check  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    126
                 | 
                                    
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                     * @return  bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    127
                 | 
                                    
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                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    128
                 | 
                                    
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                 | 
                    public static function is_ascii($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    129
                 | 
                                    
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                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    130
                 | 
                                    
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                 | 
                        return ! preg_match('/[^\x00-\x7F]/S', $str); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    132
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    133
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                     * Strips out device control codes in the ASCII range.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string  string to clean  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string $str  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strip_ascii_ctrl($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                        return preg_replace('/[\x00-\x08\x0B\x0C\x0E-\x1F\x7F]+/S', '', $str); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                     * Strips out all non-7bit ASCII bytes.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string  string to clean  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strip_non_ascii($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                        return preg_replace('/[^\x00-\x7F]+/S', '', $str); | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                     * Replaces special/accented UTF-8 characters by ASCII-7 'equivalents'.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Andreas Gohr <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string to transliterate  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  -1 lowercase only, +1 uppercase only, 0 both cases  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                    public static function transliterate_to_ascii($str, $case = 0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                        return _transliterate_to_ascii($str, $case);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the length of the given string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strlen  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string being measured for length  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strlen($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    185
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    189
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    190
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    191
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    192
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    193
                 | 
                                    
                                                     | 
                
                 | 
                        return _strlen($str);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    194
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    195
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    196
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    197
                 | 
                                    
                                                     | 
                
                 | 
                     * Finds position of first occurrence of a UTF-8 string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    198
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strlen  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    199
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    200
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    201
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    202
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   haystack  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    203
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   needle  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    204
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  offset from which character in haystack to start searching  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    205
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string $str  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    206
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  position of needle  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    207
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  boolean  FALSE if the needle is not found  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    208
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    209
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strpos($str, $search, $offset = 0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    210
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    211
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    212
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    213
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    214
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    215
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    216
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    217
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    218
                 | 
                                    
                                                     | 
                
                 | 
                        return _strpos($str, $search, $offset);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    219
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    220
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    221
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    222
                 | 
                                    
                                                     | 
                
                 | 
                     * Finds position of last occurrence of a char in a UTF-8 string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    223
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strrpos  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    224
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    225
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    226
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    227
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   haystack  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    228
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   needle  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    229
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  offset from which character in haystack to start searching  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    230
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string $str  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    231
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  position of needle  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    232
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  boolean  FALSE if the needle is not found  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    233
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    234
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strrpos($str, $search, $offset = 0)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    235
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    236
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    237
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    238
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    239
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    240
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    241
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    242
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    243
                 | 
                                    
                                                     | 
                
                 | 
                        return _strrpos($str, $search, $offset);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    244
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    245
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    246
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    247
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns part of a UTF-8 string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    248
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/substr  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    249
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    250
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Chris Smith <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    251
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    252
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    253
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  offset  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    254
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  length limit  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    255
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    256
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    257
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function substr($str, $offset, $length = null)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    258
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    259
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    260
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    261
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    262
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    263
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                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    264
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                | 
                    266
                 | 
                                    
                                                     | 
                
                 | 
                        return _substr($str, $offset, $length);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    267
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                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    268
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                | 
                    269
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    270
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                                                     | 
                
                 | 
                     * Replaces text within a portion of a UTF-8 string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    271
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                                                     | 
                
                 | 
                     * @see http://php.net/substr_replace  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    272
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                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    273
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    274
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    275
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    276
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                                                     | 
                
                 | 
                     * @param   string   replacement string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    277
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                                                     | 
                
                 | 
                     * @param   integer  offset  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    278
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    279
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    280
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function substr_replace($str, $replacement, $offset, $length = null)  | 
            
                            
                    | 
                        
                     | 
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                    281
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    282
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                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    283
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    284
                 | 
                                    
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                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    285
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    286
                 | 
                                    
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                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    287
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    288
                 | 
                                    
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                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    289
                 | 
                                    
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                 | 
                        return _substr_replace($str, $replacement, $offset, $length);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    290
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    291
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    292
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    293
                 | 
                                    
                                                     | 
                
                 | 
                     * Makes a UTF-8 string lowercase.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    294
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strtolower  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    295
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    296
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Andreas Gohr <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    297
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    298
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   mixed case string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    299
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    300
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    301
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strtolower($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    302
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    303
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    304
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    305
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    306
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    307
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    308
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    309
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    310
                 | 
                                    
                                                     | 
                
                 | 
                        return _strtolower($str);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    311
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    312
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    313
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    314
                 | 
                                    
                                                     | 
                
                 | 
                     * Makes a UTF-8 string uppercase.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    315
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strtoupper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    316
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    317
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Andreas Gohr <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    318
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    319
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   mixed case string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    320
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string $str  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    321
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    322
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    323
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strtoupper($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    324
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    325
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    326
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    327
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    328
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    329
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    330
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    331
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    332
                 | 
                                    
                                                     | 
                
                 | 
                        return _strtoupper($str);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    333
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    334
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    335
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    336
                 | 
                                    
                                                     | 
                
                 | 
                     * Makes a UTF-8 string's first character uppercase.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    337
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/ucfirst  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    338
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    339
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    340
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    341
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   mixed case string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    342
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    343
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    344
                 | 
                                    
                                                     | 
                
                 | 
                    public static function ucfirst($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    345
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    346
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    347
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    348
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    349
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    350
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    351
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    352
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    353
                 | 
                                    
                                                     | 
                
                 | 
                        return _ucfirst($str);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    354
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    355
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    356
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    357
                 | 
                                    
                                                     | 
                
                 | 
                     * Makes the first character of every word in a UTF-8 string uppercase.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    358
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/ucwords  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    359
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    360
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    361
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    362
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   mixed case string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    363
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    364
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    365
                 | 
                                    
                                                     | 
                
                 | 
                    public static function ucwords($str)  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    366
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    367
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    368
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    369
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    370
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    371
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    372
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    373
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    374
                 | 
                                    
                                                     | 
                
                 | 
                        return _ucwords($str);  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    375
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    376
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    377
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    378
                 | 
                                    
                                                     | 
                
                 | 
                     * Case-insensitive UTF-8 string comparison.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    379
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strcasecmp  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    380
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    381
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    382
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    383
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string to compare  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    384
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string to compare  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    385
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  less than 0 if str1 is less than str2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    386
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  greater than 0 if str1 is greater than str2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    387
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  0 if they are equal  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    388
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    389
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strcasecmp($str1, $str2)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    390
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    391
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    392
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    393
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    394
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    395
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    396
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    397
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    398
                 | 
                                    
                                                     | 
                
                 | 
                        return _strcasecmp($str1, $str2);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    399
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    400
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    401
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    402
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns a string or an array with all occurrences of search in subject (ignoring case).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    403
                 | 
                                    
                                                     | 
                
                 | 
                     * replaced with the given replace value.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    404
                 | 
                                    
                                                     | 
                
                 | 
                     * @see     http://php.net/str_ireplace  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    405
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    406
                 | 
                                    
                                                     | 
                
                 | 
                     * @note    It's not fast and gets slower if $search and/or $replace are arrays.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    407
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    408
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    409
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string|array  text to replace  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    410
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string|array  replacement text  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    411
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string|array  subject text  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    412
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer       number of matched and replaced needles will be returned via this parameter which is passed by reference  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    413
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string        if the input was a string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    414
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  array         if the input was an array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    415
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    416
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function str_ireplace($search, $replace, $str, & $count = null)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    417
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    418
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    419
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    420
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    421
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    422
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    423
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    424
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    425
                 | 
                                    
                                                     | 
                
                 | 
                        return _str_ireplace($search, $replace, $str, $count);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    426
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    427
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    428
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    429
                 | 
                                    
                                                     | 
                
                 | 
                     * Case-insenstive UTF-8 version of strstr. Returns all of input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    430
                 | 
                                    
                                                     | 
                
                 | 
                     * from the first occurrence of needle to the end.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    431
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/stristr  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    432
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    433
                 | 
                                    
                                                     | 
                
                 | 
                     * @author Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    434
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    435
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    436
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   needle  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    437
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string   matched substring if found  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    438
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  boolean  FALSE if the substring was not found  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    439
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    440
                 | 
                                    
                                                     | 
                
                 | 
                    public static function stristr($str, $search)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    441
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    442
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    443
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    444
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    445
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    446
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    447
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    448
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    449
                 | 
                                    
                                                     | 
                
                 | 
                        return _stristr($str, $search);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    450
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    451
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    452
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    453
                 | 
                                    
                                                     | 
                
                 | 
                     * Finds the length of the initial segment matching mask.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    454
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strspn  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    455
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    456
                 | 
                                    
                                                     | 
                
                 | 
                     * @author Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    457
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    458
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    459
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   mask for search  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    460
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  start position of the string to examine  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    461
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  length of the string to examine  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    462
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  length of the initial segment that contains characters in the mask  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    463
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    464
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function strspn($str, $mask, $offset = null, $length = null)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    465
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    466
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    467
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    468
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    469
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    470
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    471
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    472
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    473
                 | 
                                    
                                                     | 
                
                 | 
                        return _strspn($str, $mask, $offset, $length);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    474
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    475
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    476
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    477
                 | 
                                    
                                                     | 
                
                 | 
                     * Finds the length of the initial segment not matching mask.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    478
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strcspn  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    479
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    480
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    481
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    482
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    483
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   mask for search  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    484
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  start position of the string to examine  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    485
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  length of the string to examine  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    486
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  length of the initial segment that contains characters not in the mask  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    487
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    488
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function strcspn($str, $mask, $offset = null, $length = null)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    489
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    490
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    491
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    492
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    493
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    494
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    495
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    496
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    497
                 | 
                                    
                                                     | 
                
                 | 
                        return _strcspn($str, $mask, $offset, $length);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    498
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    499
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    500
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    501
                 | 
                                    
                                                     | 
                
                 | 
                     * Pads a UTF-8 string to a certain length with another string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    502
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/str_pad  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    503
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    504
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    505
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    506
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    507
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  desired string length after padding  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    508
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string to use as padding  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    509
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   padding type: STR_PAD_RIGHT, STR_PAD_LEFT, or STR_PAD_BOTH  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    510
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    511
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    512
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function str_pad($str, $final_str_length, $pad_str = ' ', $pad_type = STR_PAD_RIGHT)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    513
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    514
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    515
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    516
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    517
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    518
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    519
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    520
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    521
                 | 
                                    
                                                     | 
                
                 | 
                        return _str_pad($str, $final_str_length, $pad_str, $pad_type);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    522
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    523
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    524
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    525
                 | 
                                    
                                                     | 
                
                 | 
                     * Converts a UTF-8 string to an array.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    526
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/str_split  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    527
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    528
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    529
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    530
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    531
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   integer  maximum length of each chunk  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    532
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string $str  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    533
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    534
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    535
                 | 
                                    
                                                     | 
                
                 | 
                    public static function str_split($str, $split_length = 1)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    536
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    537
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    538
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    539
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    540
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    541
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    542
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    543
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    544
                 | 
                                    
                                                     | 
                
                 | 
                        return _str_split($str, $split_length);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    545
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    546
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    547
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    548
                 | 
                                    
                                                     | 
                
                 | 
                     * Reverses a UTF-8 string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    549
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/strrev  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    550
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    551
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    552
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    553
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string to be reversed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    554
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    555
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    556
                 | 
                                    
                                                     | 
                
                 | 
                    public static function strrev($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    557
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    558
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    559
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    560
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    561
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    562
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    563
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    564
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    565
                 | 
                                    
                                                     | 
                
                 | 
                        return _strrev($str);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    566
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    567
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    568
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    569
                 | 
                                    
                                                     | 
                
                 | 
                     * Strips whitespace (or other UTF-8 characters) from the beginning and  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    570
                 | 
                                    
                                                     | 
                
                 | 
                     * end of a string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    571
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/trim  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    572
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    573
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Andreas Gohr <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    574
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    575
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    576
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string of characters to remove  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    577
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    578
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    579
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function trim($str, $charlist = null)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    580
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    581
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    582
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    583
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    584
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    585
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    586
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    587
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    588
                 | 
                                    
                                                     | 
                
                 | 
                        return _trim($str, $charlist);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    589
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    590
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    591
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    592
                 | 
                                    
                                                     | 
                
                 | 
                     * Strips whitespace (or other UTF-8 characters) from the beginning of a string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    593
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/ltrim  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    594
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    595
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Andreas Gohr <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    596
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    597
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    598
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string of characters to remove  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    599
                 | 
                                    
                                                     | 
                
                 | 
                     * @param string $str  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    600
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    601
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    602
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function ltrim($str, $charlist = null)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    603
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    604
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    605
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    606
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    607
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    608
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    609
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    610
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    611
                 | 
                                    
                                                     | 
                
                 | 
                        return _ltrim($str, $charlist);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    612
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    613
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    614
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    615
                 | 
                                    
                                                     | 
                
                 | 
                     * Strips whitespace (or other UTF-8 characters) from the end of a string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    616
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/rtrim  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    617
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    618
                 | 
                                    
                                                     | 
                
                 | 
                     * @author  Andreas Gohr <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    619
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    620
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   input string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    621
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   string of characters to remove  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    622
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    623
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
                | 
                    624
                 | 
                                    
                                                     | 
                
                View Code Duplication | 
                    public static function rtrim($str, $charlist = null)  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    625
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    626
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    627
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    628
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    629
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    630
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    631
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    632
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    633
                 | 
                                    
                                                     | 
                
                 | 
                        return _rtrim($str, $charlist);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    634
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    635
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    636
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    637
                 | 
                                    
                                                     | 
                
                 | 
                     * Returns the unicode ordinal for a character.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    638
                 | 
                                    
                                                     | 
                
                 | 
                     * @see http://php.net/ord  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    639
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    640
                 | 
                                    
                                                     | 
                
                 | 
                     * @author Harry Fuecks <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    641
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    642
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   UTF-8 encoded character  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    643
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  integer  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    644
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    645
                 | 
                                    
                                                     | 
                
                 | 
                    public static function ord($chr)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    646
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    647
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    648
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    649
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    650
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    651
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    652
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    653
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    654
                 | 
                                    
                                                     | 
                
                 | 
                        return _ord($chr);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    655
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    656
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    657
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    658
                 | 
                                    
                                                     | 
                
                 | 
                     * Takes an UTF-8 string and returns an array of ints representing the Unicode characters.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    659
                 | 
                                    
                                                     | 
                
                 | 
                     * Astral planes are supported i.e. the ints in the output can be > 0xFFFF.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    660
                 | 
                                    
                                                     | 
                
                 | 
                     * Occurrances of the BOM are ignored. Surrogates are not allowed.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    661
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    662
                 | 
                                    
                                                     | 
                
                 | 
                     * The Original Code is Mozilla Communicator client code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    663
                 | 
                                    
                                                     | 
                
                 | 
                     * The Initial Developer of the Original Code is Netscape Communications Corporation.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    664
                 | 
                                    
                                                     | 
                
                 | 
                     * Portions created by the Initial Developer are Copyright (C) 1998 the Initial Developer.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    665
                 | 
                                    
                                                     | 
                
                 | 
                     * Ported to PHP by Henri Sivonen <[email protected]>, see http://hsivonen.iki.fi/php-utf8/.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    666
                 | 
                                    
                                                     | 
                
                 | 
                     * Slight modifications to fit with phputf8 library by Harry Fuecks <[email protected]>.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    667
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    668
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   string   UTF-8 encoded string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    669
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  array    unicode code points  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    670
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  boolean  FALSE if the string is invalid  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    671
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    672
                 | 
                                    
                                                     | 
                
                 | 
                    public static function to_unicode($str)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    673
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    674
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    675
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    676
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    677
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    678
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    679
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    680
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    681
                 | 
                                    
                                                     | 
                
                 | 
                        return _to_unicode($str);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    682
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    683
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    684
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    685
                 | 
                                    
                                                     | 
                
                 | 
                     * Takes an array of ints representing the Unicode characters and returns a UTF-8 string.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    686
                 | 
                                    
                                                     | 
                
                 | 
                     * Astral planes are supported i.e. the ints in the input can be > 0xFFFF.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    687
                 | 
                                    
                                                     | 
                
                 | 
                     * Occurrances of the BOM are ignored. Surrogates are not allowed.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    688
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    689
                 | 
                                    
                                                     | 
                
                 | 
                     * The Original Code is Mozilla Communicator client code.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    690
                 | 
                                    
                                                     | 
                
                 | 
                     * The Initial Developer of the Original Code is Netscape Communications Corporation.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    691
                 | 
                                    
                                                     | 
                
                 | 
                     * Portions created by the Initial Developer are Copyright (C) 1998 the Initial Developer.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    692
                 | 
                                    
                                                     | 
                
                 | 
                     * Ported to PHP by Henri Sivonen <[email protected]>, see http://hsivonen.iki.fi/php-utf8/.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    693
                 | 
                                    
                                                     | 
                
                 | 
                     * Slight modifications to fit with phputf8 library by Harry Fuecks <[email protected]>.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    694
                 | 
                                    
                                                     | 
                
                 | 
                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    695
                 | 
                                    
                                                     | 
                
                 | 
                     * @param   array    unicode code points representing a string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    696
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  string   utf8 string of characters  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    697
                 | 
                                    
                                                     | 
                
                 | 
                     * @return  boolean  FALSE if a code point cannot be found  | 
            
                            
                    | 
                        
                     | 
                     | 
                     | 
                    
                                                                                                    
                        
                         
                                                                                        
                                                                                     
                     | 
                
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    698
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    699
                 | 
                                    
                                                     | 
                
                 | 
                    public static function from_unicode($arr)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    700
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    701
                 | 
                                    
                                                     | 
                
                 | 
                        if (! isset(self::$called[__FUNCTION__])) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    702
                 | 
                                    
                                                     | 
                
                 | 
                            require SYSPATH.'core/utf8/'.__FUNCTION__.EXT;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    703
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    704
                 | 
                                    
                                                     | 
                
                 | 
                            // Function has been called  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    705
                 | 
                                    
                                                     | 
                
                 | 
                            self::$called[__FUNCTION__] = true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    706
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    707
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    708
                 | 
                                    
                                                     | 
                
                 | 
                        return _from_unicode($arr);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    709
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    710
                 | 
                                    
                                                     | 
                
                 | 
                } // End utf8  | 
            
            
                                                        
            
                                    
            
            
                | 
                    711
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
Short variable names may make your code harder to understand. Variable names should be self-descriptive. This check looks for variable names who are shorter than a configured minimum.