| 1 | <?php |
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| 2 | /* SVN FILE: $Id: multibyte.php 7945 2008-12-19 02:16:01Z gwoo $ */ |
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| 3 | /** |
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| 4 | * Multibyte handling methods. |
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| 5 | * |
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| 6 | * |
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| 7 | * PHP versions 4 and 5 |
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| 8 | * |
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| 9 | * CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org) |
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| 10 | * Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org) |
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| 11 | * |
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| 12 | * Licensed under The MIT License |
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| 13 | * Redistributions of files must retain the above copyright notice. |
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| 14 | * |
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| 15 | * @filesource |
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| 16 | * @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org) |
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| 17 | * @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project |
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| 18 | * @package cake |
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| 19 | * @subpackage cake.cake.libs |
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| 20 | * @since CakePHP(tm) v 1.2.0.6833 |
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| 21 | * @version $Revision: 7945 $ |
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| 22 | * @modifiedby $LastChangedBy: gwoo $ |
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| 23 | * @lastmodified $Date: 2008-12-18 20:16:01 -0600 (Thu, 18 Dec 2008) $ |
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| 24 | * @license http://www.opensource.org/licenses/mit-license.php The MIT License |
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| 25 | */ |
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| 26 | if (function_exists('mb_internal_encoding')) { |
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| 27 | $encoding = Configure::read('App.encoding'); |
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| 28 | if (!empty($encoding)) { |
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| 29 | mb_internal_encoding($encoding); |
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| 30 | } |
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| 31 | } |
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| 32 | /** |
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| 33 | * Find position of first occurrence of a case-insensitive string. |
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| 34 | * |
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| 35 | * @param string $haystack The string from which to get the position of the first occurrence of $needle. |
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| 36 | * @param string $needle The string to find in $haystack. |
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| 37 | * @param integer $offset The position in $haystack to start searching. |
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| 38 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 39 | * @return integer|boolean The numeric position of the first occurrence of $needle in the $haystack string, or false if $needle is not found. |
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| 40 | */ |
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| 41 | if (!function_exists('mb_stripos')) { |
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| 42 | function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) { |
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| 43 | return Multibyte::stripos($haystack, $needle, $offset); |
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| 44 | } |
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| 45 | } |
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| 46 | /** |
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| 47 | * Finds first occurrence of a string within another, case insensitive. |
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| 48 | * |
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| 49 | * @param string $haystack The string from which to get the first occurrence of $needle. |
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| 50 | * @param string $needle The string to find in $haystack. |
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| 51 | * @param boolean $part Determines which portion of $haystack this function returns. |
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| 52 | * If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle. |
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| 53 | * If set to false, it returns all of $haystack from the first occurrence of $needle to the end, Default value is false. |
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| 54 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 55 | * @return string|boolean The portion of $haystack, or false if $needle is not found. |
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| 56 | */ |
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| 57 | if (!function_exists('mb_stristr')) { |
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| 58 | function mb_stristr($haystack, $needle, $part = false, $encoding = null) { |
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| 59 | return Multibyte::stristr($haystack, $needle, $part); |
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| 60 | } |
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| 61 | } |
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| 62 | /** |
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| 63 | * Get string length. |
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| 64 | * |
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| 65 | * @param string $string The string being checked for length. |
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| 66 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 67 | * @return integer The number of characters in string $string having character encoding encoding. |
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| 68 | * A multi-byte character is counted as 1. |
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| 69 | */ |
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| 70 | if (!function_exists('mb_strlen')) { |
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| 71 | function mb_strlen($string, $encoding = null) { |
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| 72 | return Multibyte::strlen($string); |
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| 73 | } |
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| 74 | } |
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| 75 | /** |
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| 76 | * Find position of first occurrence of a string. |
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| 77 | * |
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| 78 | * @param string $haystack The string being checked. |
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| 79 | * @param string $needle The position counted from the beginning of haystack. |
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| 80 | * @param integer $offset The search offset. If it is not specified, 0 is used. |
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| 81 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 82 | * @return integer|boolean The numeric position of the first occurrence of $needle in the $haystack string. |
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| 83 | * If $needle is not found, it returns false. |
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| 84 | */ |
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| 85 | if (!function_exists('mb_strpos')) { |
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| 86 | function mb_strpos($haystack, $needle, $offset = 0, $encoding = null) { |
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| 87 | return Multibyte::strpos($haystack, $needle, $offset); |
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| 88 | } |
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| 89 | } |
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| 90 | /** |
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| 91 | * Finds the last occurrence of a character in a string within another. |
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| 92 | * |
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| 93 | * @param string $haystack The string from which to get the last occurrence of $needle. |
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| 94 | * @param string $needle The string to find in $haystack. |
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| 95 | * @param boolean $part Determines which portion of $haystack this function returns. |
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| 96 | * If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle. |
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| 97 | * If set to false, it returns all of $haystack from the last occurrence of $needle to the end, Default value is false. |
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| 98 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 99 | * @return string|boolean The portion of $haystack. or false if $needle is not found. |
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| 100 | */ |
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| 101 | if (!function_exists('mb_strrchr')) { |
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| 102 | function mb_strrchr($haystack, $needle, $part = false, $encoding = null) { |
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| 103 | return Multibyte::strrchr($haystack, $needle, $part); |
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| 104 | } |
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| 105 | } |
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| 106 | /** |
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| 107 | * Finds the last occurrence of a character in a string within another, case insensitive. |
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| 108 | * |
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| 109 | * @param string $haystack The string from which to get the last occurrence of $needle. |
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| 110 | * @param string $needle The string to find in $haystack. |
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| 111 | * @param boolean $part Determines which portion of $haystack this function returns. |
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| 112 | * If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle. |
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| 113 | * If set to false, it returns all of $haystack from the last occurrence of $needle to the end, Default value is false. |
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| 114 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 115 | * @return string|boolean The portion of $haystack. or false if $needle is not found. |
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| 116 | */ |
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| 117 | if (!function_exists('mb_strrichr')) { |
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| 118 | function mb_strrichr($haystack, $needle, $part = false, $encoding = null) { |
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| 119 | return Multibyte::strrichr($haystack, $needle, $part); |
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| 120 | } |
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| 121 | } |
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| 122 | /** |
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| 123 | * Finds position of last occurrence of a string within another, case insensitive |
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| 124 | * |
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| 125 | * @param string $haystack The string from which to get the position of the last occurrence of $needle. |
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| 126 | * @param string $needle The string to find in $haystack. |
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| 127 | * @param integer $offset The position in $haystack to start searching. |
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| 128 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 129 | * @return integer|boolean The numeric position of the last occurrence of $needle in the $haystack string, or false if $needle is not found. |
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| 130 | */ |
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| 131 | if (!function_exists('mb_strripos')) { |
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| 132 | function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) { |
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| 133 | return Multibyte::strripos($haystack, $needle, $offset); |
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| 134 | } |
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| 135 | } |
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| 136 | /** |
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| 137 | * Find position of last occurrence of a string in a string. |
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| 138 | * |
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| 139 | * @param string $haystack The string being checked, for the last occurrence of $needle. |
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| 140 | * @param string $needle The string to find in $haystack. |
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| 141 | * @param integer $offset May be specified to begin searching an arbitrary number of characters into the string. |
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| 142 | * Negative values will stop searching at an arbitrary point prior to the end of the string. |
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| 143 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 144 | * @return integer|boolean The numeric position of the last occurrence of $needle in the $haystack string. If $needle is not found, it returns false. |
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| 145 | */ |
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| 146 | if (!function_exists('mb_strrpos')) { |
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| 147 | function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null) { |
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| 148 | return Multibyte::strrpos($haystack, $needle, $offset); |
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| 149 | } |
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| 150 | } |
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| 151 | /** |
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| 152 | * Finds first occurrence of a string within another |
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| 153 | * |
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| 154 | * @param string $haystack The string from which to get the first occurrence of $needle. |
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| 155 | * @param string $needle The string to find in $haystack |
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| 156 | * @param boolean $part Determines which portion of $haystack this function returns. |
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| 157 | * If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle. |
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| 158 | * If set to false, it returns all of $haystack from the first occurrence of $needle to the end, Default value is FALSE. |
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| 159 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 160 | * @return string|boolean The portion of $haystack, or true if $needle is not found. |
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| 161 | */ |
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| 162 | if (!function_exists('mb_strstr')) { |
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| 163 | function mb_strstr($haystack, $needle, $part = false, $encoding = null) { |
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| 164 | return Multibyte::strstr($haystack, $needle, $part); |
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| 165 | } |
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| 166 | } |
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| 167 | /** |
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| 168 | * Make a string lowercase |
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| 169 | * |
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| 170 | * @param string $string The string being lowercased. |
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| 171 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 172 | * @return string with all alphabetic characters converted to lowercase. |
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| 173 | */ |
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| 174 | if (!function_exists('mb_strtolower')) { |
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| 175 | function mb_strtolower($string, $encoding = null) { |
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| 176 | return Multibyte::strtolower($string); |
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| 177 | } |
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| 178 | } |
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| 179 | /** |
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| 180 | * Make a string uppercase |
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| 181 | * |
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| 182 | * @param string $string The string being uppercased. |
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| 183 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 184 | * @return string with all alphabetic characters converted to uppercase. |
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| 185 | */ |
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| 186 | if (!function_exists('mb_strtoupper')) { |
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| 187 | function mb_strtoupper($string, $encoding = null) { |
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| 188 | return Multibyte::strtoupper($string); |
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| 189 | } |
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| 190 | } |
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| 191 | /** |
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| 192 | * Count the number of substring occurrences |
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| 193 | * |
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| 194 | * @param string $haystack The string being checked. |
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| 195 | * @param string $needle The string being found. |
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| 196 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 197 | * @return integer The number of times the $needle substring occurs in the $haystack string. |
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| 198 | */ |
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| 199 | if (!function_exists('mb_substr_count')) { |
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| 200 | function mb_substr_count($haystack, $needle, $encoding = null) { |
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| 201 | return Multibyte::substrCount($haystack, $needle); |
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| 202 | } |
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| 203 | } |
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| 204 | /** |
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| 205 | * Get part of string |
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| 206 | * |
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| 207 | * @param string $string The string being checked. |
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| 208 | * @param integer $start The first position used in $string. |
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| 209 | * @param integer $length The maximum length of the returned string. |
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| 210 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
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| 211 | * @return string The portion of $string specified by the $string and $length parameters. |
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| 212 | */ |
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| 213 | if (!function_exists('mb_substr')) { |
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| 214 | function mb_substr($string, $start, $length = null, $encoding = null) { |
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| 215 | return Multibyte::substr($string, $start, $length); |
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| 216 | } |
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| 217 | } |
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| 218 | /** |
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| 219 | * Encode string for MIME header |
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| 220 | * |
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| 221 | * @param string $str The string being encoded |
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| 222 | * @param string $charset specifies the name of the character set in which str is represented in. |
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| 223 | * The default value is determined by the current NLS setting (mbstring.language). |
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| 224 | * @param string $transfer_encoding specifies the scheme of MIME encoding. It should be either "B" (Base64) or "Q" (Quoted-Printable). |
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| 225 | * Falls back to "B" if not given. |
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| 226 | * @param string $linefeed specifies the EOL (end-of-line) marker with which mb_encode_mimeheader() performs line-folding |
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| 227 | * (a » RFC term, the act of breaking a line longer than a certain length into multiple lines. |
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| 228 | * The length is currently hard-coded to 74 characters). Falls back to "\r\n" (CRLF) if not given. |
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| 229 | * @param integer $indent [definition unknown and appears to have no affect] |
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| 230 | * @return string A converted version of the string represented in ASCII. |
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| 231 | */ |
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| 232 | if (!function_exists('mb_encode_mimeheader')) { |
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| 233 | function mb_encode_mimeheader($str, $charset = 'UTF-8', $transfer_encoding = 'B', $linefeed = "\r\n", $indent = 1) { |
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| 234 | return Multibyte::mimeEncode($str, $charset, $linefeed); |
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| 235 | } |
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| 236 | } |
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| 237 | /** |
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| 238 | * Multibyte handling methods. |
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| 239 | * |
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| 240 | * |
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| 241 | * @package cake |
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| 242 | * @subpackage cake.cake.libs |
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| 243 | */ |
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| 244 | class Multibyte extends Object { |
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| 245 | /** |
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| 246 | * Holds the case folding values |
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| 247 | * |
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| 248 | * @var array |
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| 249 | * @access private |
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| 250 | */ |
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| 251 | var $__caseFold = array(); |
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| 252 | /** |
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| 253 | * Holds an array of Unicode code point ranges |
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| 254 | * |
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| 255 | * @var array |
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| 256 | * @access private |
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| 257 | */ |
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| 258 | var $__codeRange = array(); |
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| 259 | /** |
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| 260 | * Holds the current code point range |
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| 261 | * |
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| 262 | * @var string |
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| 263 | * @access private |
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| 264 | */ |
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| 265 | var $__table = null; |
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| 266 | /** |
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| 267 | * Gets a reference to the Multibyte object instance |
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| 268 | * |
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| 269 | * @return object Multibyte instance |
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| 270 | * @access public |
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| 271 | * @static |
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| 272 | */ |
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| 273 | function &getInstance() { |
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| 274 | static $instance = array(); |
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| 275 | |
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| 276 | if (!$instance) { |
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| 277 | $instance[0] = new Multibyte(); |
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| 278 | } |
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| 279 | return $instance[0]; |
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| 280 | } |
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| 281 | /** |
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| 282 | * Converts a multibyte character string |
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| 283 | * to the decimal value of the character |
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| 284 | * |
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| 285 | * @param multibyte string $string |
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| 286 | * @return array |
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| 287 | * @access public |
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| 288 | * @static |
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| 289 | */ |
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| 290 | function utf8($string) { |
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| 291 | $map = array(); |
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| 292 | |
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| 293 | $values = array(); |
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| 294 | $find = 1; |
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| 295 | $length = strlen($string); |
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| 296 | |
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| 297 | for ($i = 0; $i < $length; $i++) { |
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| 298 | $value = ord($string[$i]); |
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| 299 | |
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| 300 | if ($value < 128) { |
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| 301 | $map[] = $value; |
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| 302 | } else { |
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| 303 | if (count($values) == 0) { |
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| 304 | $find = ($value < 224) ? 2 : 3; |
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| 305 | } |
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| 306 | $values[] = $value; |
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| 307 | |
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| 308 | if (count($values) === $find) { |
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| 309 | if ($find == 3) { |
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| 310 | $map[] = (($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64); |
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| 311 | } else { |
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| 312 | $map[] = (($values[0] % 32) * 64) + ($values[1] % 64); |
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| 313 | } |
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| 314 | $values = array(); |
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| 315 | $find = 1; |
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| 316 | } |
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| 317 | } |
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| 318 | } |
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| 319 | return $map; |
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| 320 | } |
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| 321 | /** |
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| 322 | * Converts the decimal value of a multibyte character string |
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| 323 | * to a string |
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| 324 | * |
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| 325 | * @param array $array |
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| 326 | * @return string |
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| 327 | * @access public |
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| 328 | * @static |
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| 329 | */ |
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| 330 | function ascii($array) { |
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| 331 | $ascii = ''; |
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| 332 | |
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| 333 | foreach ($array as $utf8) { |
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| 334 | if ($utf8 < 128) { |
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| 335 | $ascii .= chr($utf8); |
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| 336 | } elseif ($utf8 < 2048) { |
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| 337 | $ascii .= chr(192 + (($utf8 - ($utf8 % 64)) / 64)); |
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| 338 | $ascii .= chr(128 + ($utf8 % 64)); |
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| 339 | } else { |
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| 340 | $ascii .= chr(224 + (($utf8 - ($utf8 % 4096)) / 4096)); |
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| 341 | $ascii .= chr(128 + ((($utf8 % 4096) - ($utf8 % 64)) / 64)); |
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| 342 | $ascii .= chr(128 + ($utf8 % 64)); |
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| 343 | } |
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| 344 | } |
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| 345 | return $ascii; |
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| 346 | } |
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| 347 | /** |
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| 348 | * Find position of first occurrence of a case-insensitive string. |
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| 349 | * |
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| 350 | * @param multi-byte string $haystack The string from which to get the position of the first occurrence of $needle. |
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| 351 | * @param multi-byte string $needle The string to find in $haystack. |
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| 352 | * @param integer $offset The position in $haystack to start searching. |
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| 353 | * @return integer|boolean The numeric position of the first occurrence of $needle in the $haystack string, or false if $needle is not found. |
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| 354 | * @access public |
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| 355 | * @static |
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| 356 | */ |
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| 357 | function stripos($haystack, $needle, $offset = 0) { |
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| 358 | if (!PHP5 || Multibyte::checkMultibyte($haystack)) { |
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| 359 | $haystack = Multibyte::strtoupper($haystack); |
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| 360 | $needle = Multibyte::strtoupper($needle); |
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| 361 | return Multibyte::strpos($haystack, $needle, $offset); |
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| 362 | } |
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| 363 | return stripos($haystack, $needle, $offset); |
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| 364 | } |
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| 365 | /** |
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| 366 | * Finds first occurrence of a string within another, case insensitive. |
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| 367 | * |
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| 368 | * @param string $haystack The string from which to get the first occurrence of $needle. |
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| 369 | * @param string $needle The string to find in $haystack. |
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| 370 | * @param boolean $part Determines which portion of $haystack this function returns. |
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| 371 | * If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle. |
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| 372 | * If set to false, it returns all of $haystack from the first occurrence of $needle to the end, Default value is false. |
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| 373 | * @return int|boolean The portion of $haystack, or false if $needle is not found. |
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| 374 | * @access public |
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| 375 | * @static |
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| 376 | */ |
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| 377 | function stristr($haystack, $needle, $part = false) { |
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| 378 | $php = (PHP_VERSION < 5.3); |
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| 379 | |
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| 380 | if (($php && $part) || Multibyte::checkMultibyte($haystack)) { |
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| 381 | $check = Multibyte::strtoupper($haystack); |
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| 382 | $check = Multibyte::utf8($check); |
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| 383 | $found = false; |
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| 384 | |
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| 385 | $haystack = Multibyte::utf8($haystack); |
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| 386 | $haystackCount = count($haystack); |
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| 387 | |
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| 388 | $needle = Multibyte::strtoupper($needle); |
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| 389 | $needle = Multibyte::utf8($needle); |
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| 390 | $needleCount = count($needle); |
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| 391 | |
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| 392 | $parts = array(); |
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| 393 | $position = 0; |
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| 394 | |
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| 395 | while (($found === false) && ($position < $haystackCount)) { |
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| 396 | if (isset($needle[0]) && $needle[0] === $check[$position]) { |
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| 397 | for ($i = 1; $i < $needleCount; $i++) { |
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| 398 | if ($needle[$i] !== $check[$position + $i]) { |
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| 399 | break; |
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| 400 | } |
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| 401 | } |
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| 402 | if ($i === $needleCount) { |
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| 403 | $found = true; |
|---|
| 404 | } |
|---|
| 405 | } |
|---|
| 406 | if (!$found) { |
|---|
| 407 | $parts[] = $haystack[$position]; |
|---|
| 408 | unset($haystack[$position]); |
|---|
| 409 | } |
|---|
| 410 | $position++; |
|---|
| 411 | } |
|---|
| 412 | |
|---|
| 413 | if ($found && $part && !empty($parts)) { |
|---|
| 414 | return Multibyte::ascii($parts); |
|---|
| 415 | } elseif ($found && !empty($haystack)) { |
|---|
| 416 | return Multibyte::ascii($haystack); |
|---|
| 417 | } |
|---|
| 418 | return false; |
|---|
| 419 | } |
|---|
| 420 | |
|---|
| 421 | if (!$php) { |
|---|
| 422 | return stristr($haystack, $needle, $part); |
|---|
| 423 | } |
|---|
| 424 | return stristr($haystack, $needle); |
|---|
| 425 | } |
|---|
| 426 | /** |
|---|
| 427 | * Get string length. |
|---|
| 428 | * |
|---|
| 429 | * @param string $string The string being checked for length. |
|---|
| 430 | * @return integer The number of characters in string $string |
|---|
| 431 | * @access public |
|---|
| 432 | * @static |
|---|
| 433 | */ |
|---|
| 434 | function strlen($string) { |
|---|
| 435 | if (Multibyte::checkMultibyte($string)) { |
|---|
| 436 | $string = Multibyte::utf8($string); |
|---|
| 437 | return count($string); |
|---|
| 438 | } |
|---|
| 439 | return strlen($string); |
|---|
| 440 | } |
|---|
| 441 | /** |
|---|
| 442 | * Find position of first occurrence of a string. |
|---|
| 443 | * |
|---|
| 444 | * @param string $haystack The string being checked. |
|---|
| 445 | * @param string $needle The position counted from the beginning of haystack. |
|---|
| 446 | * @param integer $offset The search offset. If it is not specified, 0 is used. |
|---|
| 447 | * @return integer|boolean The numeric position of the first occurrence of $needle in the $haystack string. |
|---|
| 448 | * If $needle is not found, it returns false. |
|---|
| 449 | * @access public |
|---|
| 450 | * @static |
|---|
| 451 | */ |
|---|
| 452 | function strpos($haystack, $needle, $offset = 0) { |
|---|
| 453 | if (Multibyte::checkMultibyte($haystack)) { |
|---|
| 454 | $found = false; |
|---|
| 455 | |
|---|
| 456 | $haystack = Multibyte::utf8($haystack); |
|---|
| 457 | $haystackCount = count($haystack); |
|---|
| 458 | |
|---|
| 459 | $needle = Multibyte::utf8($needle); |
|---|
| 460 | $needleCount = count($needle); |
|---|
| 461 | |
|---|
| 462 | $position = $offset; |
|---|
| 463 | |
|---|
| 464 | while (($found === false) && ($position < $haystackCount)) { |
|---|
| 465 | if (isset($needle[0]) && $needle[0] === $haystack[$position]) { |
|---|
| 466 | for ($i = 1; $i < $needleCount; $i++) { |
|---|
| 467 | if ($needle[$i] !== $haystack[$position + $i]) { |
|---|
| 468 | break; |
|---|
| 469 | } |
|---|
| 470 | } |
|---|
| 471 | if ($i === $needleCount) { |
|---|
| 472 | $found = true; |
|---|
| 473 | $position--; |
|---|
| 474 | } |
|---|
| 475 | } |
|---|
| 476 | $position++; |
|---|
| 477 | } |
|---|
| 478 | if ($found) { |
|---|
| 479 | return $position; |
|---|
| 480 | } |
|---|
| 481 | return false; |
|---|
| 482 | } |
|---|
| 483 | return strpos($haystack, $needle, $offset); |
|---|
| 484 | } |
|---|
| 485 | /** |
|---|
| 486 | * Finds the last occurrence of a character in a string within another. |
|---|
| 487 | * |
|---|
| 488 | * @param string $haystack The string from which to get the last occurrence of $needle. |
|---|
| 489 | * @param string $needle The string to find in $haystack. |
|---|
| 490 | * @param boolean $part Determines which portion of $haystack this function returns. |
|---|
| 491 | * If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle. |
|---|
| 492 | * If set to false, it returns all of $haystack from the last occurrence of $needle to the end, Default value is false. |
|---|
| 493 | * @return string|boolean The portion of $haystack. or false if $needle is not found. |
|---|
| 494 | * @access public |
|---|
| 495 | * @static |
|---|
| 496 | */ |
|---|
| 497 | function strrchr($haystack, $needle, $part = false) { |
|---|
| 498 | $check = Multibyte::utf8($haystack); |
|---|
| 499 | $found = false; |
|---|
| 500 | |
|---|
| 501 | $haystack = Multibyte::utf8($haystack); |
|---|
| 502 | $haystackCount = count($haystack); |
|---|
| 503 | |
|---|
| 504 | $matches = array_count_values($check); |
|---|
| 505 | |
|---|
| 506 | $needle = Multibyte::utf8($needle); |
|---|
| 507 | $needleCount = count($needle); |
|---|
| 508 | |
|---|
| 509 | $parts = array(); |
|---|
| 510 | $position = 0; |
|---|
| 511 | |
|---|
| 512 | while (($found === false) && ($position < $haystackCount)) { |
|---|
| 513 | if (isset($needle[0]) && $needle[0] === $check[$position]) { |
|---|
| 514 | for ($i = 1; $i < $needleCount; $i++) { |
|---|
| 515 | if ($needle[$i] !== $check[$position + $i]) { |
|---|
| 516 | if ($needle[$i] === $check[($position + $i) -1]) { |
|---|
| 517 | $found = true; |
|---|
| 518 | } |
|---|
| 519 | unset($parts[$position - 1]); |
|---|
| 520 | $haystack = array_merge(array($haystack[$position]), $haystack); |
|---|
| 521 | break; |
|---|
| 522 | } |
|---|
| 523 | } |
|---|
| 524 | if (isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) { |
|---|
| 525 | $matches[$needle[0]] = $matches[$needle[0]] - 1; |
|---|
| 526 | } elseif ($i === $needleCount) { |
|---|
| 527 | $found = true; |
|---|
| 528 | } |
|---|
| 529 | } |
|---|
| 530 | |
|---|
| 531 | if (!$found && isset($haystack[$position])) { |
|---|
| 532 | $parts[] = $haystack[$position]; |
|---|
| 533 | unset($haystack[$position]); |
|---|
| 534 | } |
|---|
| 535 | $position++; |
|---|
| 536 | } |
|---|
| 537 | |
|---|
| 538 | if ($found && $part && !empty($parts)) { |
|---|
| 539 | return Multibyte::ascii($parts); |
|---|
| 540 | } elseif ($found && !empty($haystack)) { |
|---|
| 541 | return Multibyte::ascii($haystack); |
|---|
| 542 | } |
|---|
| 543 | return false; |
|---|
| 544 | } |
|---|
| 545 | /** |
|---|
| 546 | * Finds the last occurrence of a character in a string within another, case insensitive. |
|---|
| 547 | * |
|---|
| 548 | * @param string $haystack The string from which to get the last occurrence of $needle. |
|---|
| 549 | * @param string $needle The string to find in $haystack. |
|---|
| 550 | * @param boolean $part Determines which portion of $haystack this function returns. |
|---|
| 551 | * If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle. |
|---|
| 552 | * If set to false, it returns all of $haystack from the last occurrence of $needle to the end, Default value is false. |
|---|
| 553 | * @return string|boolean The portion of $haystack. or false if $needle is not found. |
|---|
| 554 | * @access public |
|---|
| 555 | * @static |
|---|
| 556 | */ |
|---|
| 557 | function strrichr($haystack, $needle, $part = false) { |
|---|
| 558 | $check = Multibyte::strtoupper($haystack); |
|---|
| 559 | $check = Multibyte::utf8($check); |
|---|
| 560 | $found = false; |
|---|
| 561 | |
|---|
| 562 | $haystack = Multibyte::utf8($haystack); |
|---|
| 563 | $haystackCount = count($haystack); |
|---|
| 564 | |
|---|
| 565 | $matches = array_count_values($check); |
|---|
| 566 | |
|---|
| 567 | $needle = Multibyte::strtoupper($needle); |
|---|
| 568 | $needle = Multibyte::utf8($needle); |
|---|
| 569 | $needleCount = count($needle); |
|---|
| 570 | |
|---|
| 571 | $parts = array(); |
|---|
| 572 | $position = 0; |
|---|
| 573 | |
|---|
| 574 | while (($found === false) && ($position < $haystackCount)) { |
|---|
| 575 | if (isset($needle[0]) && $needle[0] === $check[$position]) { |
|---|
| 576 | for ($i = 1; $i < $needleCount; $i++) { |
|---|
| 577 | if ($needle[$i] !== $check[$position + $i]) { |
|---|
| 578 | if ($needle[$i] === $check[($position + $i) -1]) { |
|---|
| 579 | $found = true; |
|---|
| 580 | } |
|---|
| 581 | unset($parts[$position - 1]); |
|---|
| 582 | $haystack = array_merge(array($haystack[$position]), $haystack); |
|---|
| 583 | break; |
|---|
| 584 | } |
|---|
| 585 | } |
|---|
| 586 | if (isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) { |
|---|
| 587 | $matches[$needle[0]] = $matches[$needle[0]] - 1; |
|---|
| 588 | } elseif ($i === $needleCount) { |
|---|
| 589 | $found = true; |
|---|
| 590 | } |
|---|
| 591 | } |
|---|
| 592 | |
|---|
| 593 | if (!$found && isset($haystack[$position])) { |
|---|
| 594 | $parts[] = $haystack[$position]; |
|---|
| 595 | unset($haystack[$position]); |
|---|
| 596 | } |
|---|
| 597 | $position++; |
|---|
| 598 | } |
|---|
| 599 | |
|---|
| 600 | if ($found && $part && !empty($parts)) { |
|---|
| 601 | return Multibyte::ascii($parts); |
|---|
| 602 | } elseif ($found && !empty($haystack)) { |
|---|
| 603 | return Multibyte::ascii($haystack); |
|---|
| 604 | } |
|---|
| 605 | return false; |
|---|
| 606 | } |
|---|
| 607 | /** |
|---|
| 608 | * Finds position of last occurrence of a string within another, case insensitive |
|---|
| 609 | * |
|---|
| 610 | * @param string $haystack The string from which to get the position of the last occurrence of $needle. |
|---|
| 611 | * @param string $needle The string to find in $haystack. |
|---|
| 612 | * @param integer $offset The position in $haystack to start searching. |
|---|
| 613 | * @return integer|boolean The numeric position of the last occurrence of $needle in the $haystack string, or false if $needle is not found. |
|---|
| 614 | * @access public |
|---|
| 615 | * @static |
|---|
| 616 | */ |
|---|
| 617 | function strripos($haystack, $needle, $offset = 0) { |
|---|
| 618 | if (!PHP5 || Multibyte::checkMultibyte($haystack)) { |
|---|
| 619 | $found = false; |
|---|
| 620 | $haystack = Multibyte::strtoupper($haystack); |
|---|
| 621 | $haystack = Multibyte::utf8($haystack); |
|---|
| 622 | $haystackCount = count($haystack); |
|---|
| 623 | |
|---|
| 624 | $matches = array_count_values($haystack); |
|---|
| 625 | |
|---|
| 626 | $needle = Multibyte::strtoupper($needle); |
|---|
| 627 | $needle = Multibyte::utf8($needle); |
|---|
| 628 | $needleCount = count($needle); |
|---|
| 629 | |
|---|
| 630 | $position = $offset; |
|---|
| 631 | |
|---|
| 632 | while (($found === false) && ($position < $haystackCount)) { |
|---|
| 633 | if (isset($needle[0]) && $needle[0] === $haystack[$position]) { |
|---|
| 634 | for ($i = 1; $i < $needleCount; $i++) { |
|---|
| 635 | if ($needle[$i] !== $haystack[$position + $i]) { |
|---|
| 636 | if ($needle[$i] === $haystack[($position + $i) -1]) { |
|---|
| 637 | $position--; |
|---|
| 638 | $found = true; |
|---|
| 639 | continue; |
|---|
| 640 | } |
|---|
| 641 | } |
|---|
| 642 | } |
|---|
| 643 | |
|---|
| 644 | if (!$offset && isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) { |
|---|
| 645 | $matches[$needle[0]] = $matches[$needle[0]] - 1; |
|---|
| 646 | } elseif ($i === $needleCount) { |
|---|
| 647 | $found = true; |
|---|
| 648 | $position--; |
|---|
| 649 | } |
|---|
| 650 | } |
|---|
| 651 | $position++; |
|---|
| 652 | } |
|---|
| 653 | return ($found) ? $position : false; |
|---|
| 654 | } |
|---|
| 655 | return strripos($haystack, $needle, $offset); |
|---|
| 656 | } |
|---|
| 657 | |
|---|
| 658 | /** |
|---|
| 659 | * Find position of last occurrence of a string in a string. |
|---|
| 660 | * |
|---|
| 661 | * @param string $haystack The string being checked, for the last occurrence of $needle. |
|---|
| 662 | * @param string $needle The string to find in $haystack. |
|---|
| 663 | * @param integer $offset May be specified to begin searching an arbitrary number of characters into the string. |
|---|
| 664 | * Negative values will stop searching at an arbitrary point prior to the end of the string. |
|---|
| 665 | * @return integer|boolean The numeric position of the last occurrence of $needle in the $haystack string. If $needle is not found, it returns false. |
|---|
| 666 | * @access public |
|---|
| 667 | * @static |
|---|
| 668 | */ |
|---|
| 669 | function strrpos($haystack, $needle, $offset = 0) { |
|---|
| 670 | if (!PHP5 || Multibyte::checkMultibyte($haystack)) { |
|---|
| 671 | $found = false; |
|---|
| 672 | |
|---|
| 673 | $haystack = Multibyte::utf8($haystack); |
|---|
| 674 | $haystackCount = count($haystack); |
|---|
| 675 | |
|---|
| 676 | $matches = array_count_values($haystack); |
|---|
| 677 | |
|---|
| 678 | $needle = Multibyte::utf8($needle); |
|---|
| 679 | $needleCount = count($needle); |
|---|
| 680 | |
|---|
| 681 | $position = $offset; |
|---|
| 682 | |
|---|
| 683 | while (($found === false) && ($position < $haystackCount)) { |
|---|
| 684 | if (isset($needle[0]) && $needle[0] === $haystack[$position]) { |
|---|
| 685 | for ($i = 1; $i < $needleCount; $i++) { |
|---|
| 686 | if ($needle[$i] !== $haystack[$position + $i]) { |
|---|
| 687 | if ($needle[$i] === $haystack[($position + $i) -1]) { |
|---|
| 688 | $position--; |
|---|
| 689 | $found = true; |
|---|
| 690 | continue; |
|---|
| 691 | } |
|---|
| 692 | } |
|---|
| 693 | } |
|---|
| 694 | |
|---|
| 695 | if (!$offset && isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) { |
|---|
| 696 | $matches[$needle[0]] = $matches[$needle[0]] - 1; |
|---|
| 697 | } elseif ($i === $needleCount) { |
|---|
| 698 | $found = true; |
|---|
| 699 | $position--; |
|---|
| 700 | } |
|---|
| 701 | } |
|---|
| 702 | $position++; |
|---|
| 703 | } |
|---|
| 704 | return ($found) ? $position : false; |
|---|
| 705 | } |
|---|
| 706 | return strrpos($haystack, $needle, $offset); |
|---|
| 707 | } |
|---|
| 708 | /** |
|---|
| 709 | * Finds first occurrence of a string within another |
|---|
| 710 | * |
|---|
| 711 | * @param string $haystack The string from which to get the first occurrence of $needle. |
|---|
| 712 | * @param string $needle The string to find in $haystack |
|---|
| 713 | * @param boolean $part Determines which portion of $haystack this function returns. |
|---|
| 714 | * If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle. |
|---|
| 715 | * If set to false, it returns all of $haystack from the first occurrence of $needle to the end, Default value is FALSE. |
|---|
| 716 | * @return string|boolean The portion of $haystack, or true if $needle is not found. |
|---|
| 717 | * @access public |
|---|
| 718 | * @static |
|---|
| 719 | */ |
|---|
| 720 | function strstr($haystack, $needle, $part = false) { |
|---|
| 721 | $php = (PHP_VERSION < 5.3); |
|---|
| 722 | |
|---|
| 723 | if (($php && $part) || Multibyte::checkMultibyte($haystack)) { |
|---|
| 724 | $check = Multibyte::utf8($haystack); |
|---|
| 725 | $found = false; |
|---|
| 726 | |
|---|
| 727 | $haystack = Multibyte::utf8($haystack); |
|---|
| 728 | $haystackCount = count($haystack); |
|---|
| 729 | |
|---|
| 730 | $needle = Multibyte::utf8($needle); |
|---|
| 731 | $needleCount = count($needle); |
|---|
| 732 | |
|---|
| 733 | $parts = array(); |
|---|
| 734 | $position = 0; |
|---|
| 735 | |
|---|
| 736 | while (($found === false) && ($position < $haystackCount)) { |
|---|
| 737 | if (isset($needle[0]) && $needle[0] === $check[$position]) { |
|---|
| 738 | for ($i = 1; $i < $needleCount; $i++) { |
|---|
| 739 | if ($needle[$i] !== $check[$position + $i]) { |
|---|
| 740 | break; |
|---|
| 741 | } |
|---|
| 742 | } |
|---|
| 743 | if ($i === $needleCount) { |
|---|
| 744 | $found = true; |
|---|
| 745 | } |
|---|
| 746 | } |
|---|
| 747 | if (!$found) { |
|---|
| 748 | $parts[] = $haystack[$position]; |
|---|
| 749 | unset($haystack[$position]); |
|---|
| 750 | } |
|---|
| 751 | $position++; |
|---|
| 752 | } |
|---|
| 753 | |
|---|
| 754 | if ($found && $part && !empty($parts)) { |
|---|
| 755 | return Multibyte::ascii($parts); |
|---|
| 756 | } elseif ($found && !empty($haystack)) { |
|---|
| 757 | return Multibyte::ascii($haystack); |
|---|
| 758 | } |
|---|
| 759 | return false; |
|---|
| 760 | } |
|---|
| 761 | |
|---|
| 762 | if (!$php) { |
|---|
| 763 | return strstr($haystack, $needle, $part); |
|---|
| 764 | } |
|---|
| 765 | return strstr($haystack, $needle); |
|---|
| 766 | } |
|---|
| 767 | /** |
|---|
| 768 | * Make a string lowercase |
|---|
| 769 | * |
|---|
| 770 | * @param string $string The string being lowercased. |
|---|
| 771 | * @return string with all alphabetic characters converted to lowercase. |
|---|
| 772 | * @access public |
|---|
| 773 | * @static |
|---|
| 774 | */ |
|---|
| 775 | function strtolower($string) { |
|---|
| 776 | $_this =& Multibyte::getInstance(); |
|---|
| 777 | $utf8Map = Multibyte::utf8($string); |
|---|
| 778 | |
|---|
| 779 | $length = count($utf8Map); |
|---|
| 780 | $lowerCase = array(); |
|---|
| 781 | $matched = false; |
|---|
| 782 | |
|---|
| 783 | for ($i = 0 ; $i < $length; $i++) { |
|---|
| 784 | $char = $utf8Map[$i]; |
|---|
| 785 | |
|---|
| 786 | if ($char < 128) { |
|---|
| 787 | $str = strtolower(chr($char)); |
|---|
| 788 | $strlen = strlen($str); |
|---|
| 789 | for ($ii = 0 ; $ii < $strlen; $ii++) { |
|---|
| 790 | $lower = ord(substr($str, $ii, 1)); |
|---|
| 791 | } |
|---|
| 792 | $lowerCase[] = $lower; |
|---|
| 793 | $matched = true; |
|---|
| 794 | } else { |
|---|
| 795 | $matched = false; |
|---|
| 796 | $keys = $_this->__find($char, 'upper'); |
|---|
| 797 | |
|---|
| 798 | if (!empty($keys)) { |
|---|
| 799 | foreach ($keys as $key => $value) { |
|---|
| 800 | if ($keys[$key]['upper'] == $char && count($keys[$key]['lower'][0]) === 1) { |
|---|
| 801 | $lowerCase[] = $keys[$key]['lower'][0]; |
|---|
| 802 | $matched = true; |
|---|
| 803 | break 1; |
|---|
| 804 | } |
|---|
| 805 | } |
|---|
| 806 | } |
|---|
| 807 | } |
|---|
| 808 | if ($matched === false) { |
|---|
| 809 | $lowerCase[] = $char; |
|---|
| 810 | } |
|---|
| 811 | } |
|---|
| 812 | return Multibyte::ascii($lowerCase); |
|---|
| 813 | } |
|---|
| 814 | /** |
|---|
| 815 | * Make a string uppercase |
|---|
| 816 | * |
|---|
| 817 | * @param string $string The string being uppercased. |
|---|
| 818 | * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used. |
|---|
| 819 | * @return string with all alphabetic characters converted to uppercase. |
|---|
| 820 | * @access public |
|---|
| 821 | * @static |
|---|
| 822 | */ |
|---|
| 823 | function strtoupper($string) { |
|---|
| 824 | $_this =& Multibyte::getInstance(); |
|---|
| 825 | $utf8Map = Multibyte::utf8($string); |
|---|
| 826 | |
|---|
| 827 | $length = count($utf8Map); |
|---|
| 828 | $matched = false; |
|---|
| 829 | $replaced = array(); |
|---|
| 830 | $upperCase = array(); |
|---|
| 831 | |
|---|
| 832 | for ($i = 0 ; $i < $length; $i++) { |
|---|
| 833 | $char = $utf8Map[$i]; |
|---|
| 834 | |
|---|
| 835 | if ($char < 128) { |
|---|
| 836 | $str = strtoupper(chr($char)); |
|---|
| 837 | $strlen = strlen($str); |
|---|
| 838 | for ($ii = 0 ; $ii < $strlen; $ii++) { |
|---|
| 839 | $upper = ord(substr($str, $ii, 1)); |
|---|
| 840 | } |
|---|
| 841 | $upperCase[] = $upper; |
|---|
| 842 | $matched = true; |
|---|
| 843 | |
|---|
| 844 | } else { |
|---|
| 845 | $matched = false; |
|---|
| 846 | $keys = $_this->__find($char); |
|---|
| 847 | $keyCount = count($keys); |
|---|
| 848 | |
|---|
| 849 | if (!empty($keys)) { |
|---|
| 850 | foreach ($keys as $key => $value) { |
|---|
| 851 | $matched = false; |
|---|
| 852 | $replace = 0; |
|---|
| 853 | if ($length > 1 && count($keys[$key]['lower']) > 1) { |
|---|
| 854 | $j = 0; |
|---|
| 855 | |
|---|
| 856 | for ($ii = 0; $ii < count($keys[$key]['lower']); $ii++) { |
|---|
| 857 | $nextChar = $utf8Map[$i + $ii]; |
|---|
| 858 | |
|---|
| 859 | if (isset($nextChar) && ($nextChar == $keys[$key]['lower'][$j + $ii])) { |
|---|
| 860 | $replace++; |
|---|
| 861 | } |
|---|
| 862 | } |
|---|
| 863 | if ($replace == count($keys[$key]['lower'])) { |
|---|
| 864 | $upperCase[] = $keys[$key]['upper']; |
|---|
| 865 | $replaced = array_merge($replaced, array_values($keys[$key]['lower'])); |
|---|
| 866 | $matched = true; |
|---|
| 867 | break 1; |
|---|
| 868 | } |
|---|
| 869 | } elseif ($length > 1 && $keyCount > 1) { |
|---|
| 870 | $j = 0; |
|---|
| 871 | for ($ii = 1; $ii < $keyCount; $ii++) { |
|---|
| 872 | $nextChar = $utf8Map[$i + $ii - 1]; |
|---|
| 873 | |
|---|
| 874 | if (in_array($nextChar, $keys[$ii]['lower'])) { |
|---|
| 875 | |
|---|
| 876 | for ($jj = 0; $jj < count($keys[$ii]['lower']); $jj++) { |
|---|
| 877 | $nextChar = $utf8Map[$i + $jj]; |
|---|
| 878 | |
|---|
| 879 | if (isset($nextChar) && ($nextChar == $keys[$ii]['lower'][$j + $jj])) { |
|---|
| 880 | $replace++; |
|---|
| 881 | } |
|---|
| 882 | } |
|---|
| 883 | if ($replace == count($keys[$ii]['lower'])) { |
|---|
| 884 | $upperCase[] = $keys[$ii]['upper']; |
|---|
| 885 | $replaced = array_merge($replaced, array_values($keys[$ii]['lower'])); |
|---|
| 886 | $matched = true; |
|---|
| 887 | break 2; |
|---|
| 888 | } |
|---|
| 889 | } |
|---|
| 890 | } |
|---|
| 891 | } |
|---|
| 892 | if ($keys[$key]['lower'][0] == $char) { |
|---|
| 893 | $upperCase[] = $keys[$key]['upper']; |
|---|
| 894 | $matched = true; |
|---|
| 895 | break 1; |
|---|
| 896 | } |
|---|
| 897 | } |
|---|
| 898 | } |
|---|
| 899 | } |
|---|
| 900 | if ($matched === false && !in_array($char, $replaced, true)) { |
|---|
| 901 | $upperCase[] = $char; |
|---|
| 902 | } |
|---|
| 903 | } |
|---|
| 904 | return Multibyte::ascii($upperCase); |
|---|
| 905 | } |
|---|
| 906 | /** |
|---|
| 907 | * Count the number of substring occurrences |
|---|
| 908 | * |
|---|
| 909 | * @param string $haystack The string being checked. |
|---|
| 910 | * @param string $needle The string being found. |
|---|
| 911 | * @return integer The number of times the $needle substring occurs in the $haystack string. |
|---|
| 912 | * @access public |
|---|
| 913 | * @static |
|---|
| 914 | */ |
|---|
| 915 | function substrCount($haystack, $needle) { |
|---|
| 916 | $count = 0; |
|---|
| 917 | $haystack = Multibyte::utf8($haystack); |
|---|
| 918 | $haystackCount = count($haystack); |
|---|
| 919 | $matches = array_count_values($haystack); |
|---|
| 920 | $needle = Multibyte::utf8($needle); |
|---|
| 921 | $needleCount = count($needle); |
|---|
| 922 | |
|---|
| 923 | if ($needleCount === 1 && isset($matches[$needle[0]])) { |
|---|
| 924 | return $matches[$needle[0]]; |
|---|
| 925 | } |
|---|
| 926 | |
|---|
| 927 | for ($i = 0; $i < $haystackCount; $i++) { |
|---|
| 928 | if (isset($needle[0]) && $needle[0] === $haystack[$i]) { |
|---|
| 929 | for ($ii = 1; $ii < $needleCount; $ii++) { |
|---|
| 930 | if ($needle[$ii] === $haystack[$i + 1]) { |
|---|
| 931 | if ((isset($needle[$ii + 1]) && $haystack[$i + 2]) && $needle[$ii + 1] !== $haystack[$i + 2]) { |
|---|
| 932 | $count--; |
|---|
| 933 | } else { |
|---|
| 934 | $count++; |
|---|
| 935 | } |
|---|
| 936 | } |
|---|
| 937 | } |
|---|
| 938 | } |
|---|
| 939 | } |
|---|
| 940 | return $count; |
|---|
| 941 | } |
|---|
| 942 | /** |
|---|
| 943 | * Get part of string |
|---|
| 944 | * |
|---|
| 945 | * @param string $string The string being checked. |
|---|
| 946 | * @param integer $start The first position used in $string. |
|---|
| 947 | * @param integer $length The maximum length of the returned string. |
|---|
| 948 | * @return string The portion of $string specified by the $string and $length parameters. |
|---|
| 949 | * @access public |
|---|
| 950 | * @static |
|---|
| 951 | */ |
|---|
| 952 | function substr($string, $start, $length = null) { |
|---|
| 953 | if ($start === 0 && $length === null) { |
|---|
| 954 | return $string; |
|---|
| 955 | } |
|---|
| 956 | |
|---|
| 957 | $string = Multibyte::utf8($string); |
|---|
| 958 | $stringCount = count($string); |
|---|
| 959 | |
|---|
| 960 | for ($i = 1; $i <= $start; $i++) { |
|---|
| 961 | unset($string[$i - 1]); |
|---|
| 962 | } |
|---|
| 963 | |
|---|
| 964 | if ($length === null || count($string) < $length) { |
|---|
| 965 | return Multibyte::ascii($string); |
|---|
| 966 | } |
|---|
| 967 | $string = array_values($string); |
|---|
| 968 | |
|---|
| 969 | for ($i = 0; $i < $length; $i++) { |
|---|
| 970 | $value[] = $string[$i]; |
|---|
| 971 | } |
|---|
| 972 | return Multibyte::ascii($value); |
|---|
| 973 | } |
|---|
| 974 | /** |
|---|
| 975 | * Prepare a string for mail transport, using the provided encoding |
|---|
| 976 | * |
|---|
| 977 | * @param string $string value to encode |
|---|
| 978 | * @param string $charset charset to use for encoding. defaults to UTF-8 |
|---|
| 979 | * @param string $newline |
|---|
| 980 | * @return string |
|---|
| 981 | * @access public |
|---|
| 982 | * @static |
|---|
| 983 | * @TODO: add support for 'Q'('Quoted Printable') encoding |
|---|
| 984 | */ |
|---|
| 985 | function mimeEncode($string, $charset = null, $newline = "\r\n") { |
|---|
| 986 | if (!Multibyte::checkMultibyte($string) && strlen($string) < 75) { |
|---|
| 987 | return $string; |
|---|
| 988 | } |
|---|
| 989 | |
|---|
| 990 | if (empty($charset)) { |
|---|
| 991 | $charset = Configure::read('App.encoding'); |
|---|
| 992 | } |
|---|
| 993 | $charset = strtoupper($charset); |
|---|
| 994 | |
|---|
| 995 | $start = '=?' . $charset . '?B?'; |
|---|
| 996 | $end = '?='; |
|---|
| 997 | $spacer = $end . $newline . ' ' . $start; |
|---|
| 998 | |
|---|
| 999 | $length = 75 - strlen($start) - strlen($end); |
|---|
| 1000 | $length = $length - ($length % 4); |
|---|
| 1001 | if ($charset == 'UTF-8') { |
|---|
| 1002 | $parts = array(); |
|---|
| 1003 | $maxchars = floor(($length * 3) / 4); |
|---|
| 1004 | while (strlen($string) > $maxchars) { |
|---|
| 1005 | $i = $maxchars; |
|---|
| 1006 | $test = ord($string[$i]); |
|---|
| 1007 | while ($test >= 128 && $test <= 191) { |
|---|
| 1008 | $i--; |
|---|
| 1009 | $test = ord($string[$i]); |
|---|
| 1010 | } |
|---|
| 1011 | $parts[] = base64_encode(substr($string, 0, $i)); |
|---|
| 1012 | $string = substr($string, $i); |
|---|
| 1013 | } |
|---|
| 1014 | $parts[] = base64_encode($string); |
|---|
| 1015 | $string = implode($spacer, $parts); |
|---|
| 1016 | } else { |
|---|
| 1017 | $string = chunk_split(base64_encode($string), $length, $spacer); |
|---|
| 1018 | $string = preg_replace('/' . preg_quote($spacer) . '$/', '', $string); |
|---|
| 1019 | } |
|---|
| 1020 | return $start . $string . $end; |
|---|
| 1021 | } |
|---|
| 1022 | /** |
|---|
| 1023 | * Return the Code points range for Unicode characters |
|---|
| 1024 | * |
|---|
| 1025 | * @param interger $decimal |
|---|
| 1026 | * @return string |
|---|
| 1027 | * @access private |
|---|
| 1028 | */ |
|---|
| 1029 | function __codepoint ($decimal) { |
|---|
| 1030 | if ($decimal > 128 && $decimal < 256) { |
|---|
| 1031 | $return = '0080_00ff'; // Latin-1 Supplement |
|---|
| 1032 | } elseif ($decimal < 384) { |
|---|
| 1033 | $return = '0100_017f'; // Latin Extended-A |
|---|
| 1034 | } elseif ($decimal < 592) { |
|---|
| 1035 | $return = '0180_024F'; // Latin Extended-B |
|---|
| 1036 | } elseif ($decimal < 688) { |
|---|
| 1037 | $return = '0250_02af'; // IPA Extensions |
|---|
| 1038 | } elseif ($decimal >= 880 && $decimal < 1024) { |
|---|
| 1039 | $return = '0370_03ff'; // Greek and Coptic |
|---|
| 1040 | } elseif ($decimal < 1280) { |
|---|
| 1041 | $return = '0400_04ff'; // Cyrillic |
|---|
| 1042 | } elseif ($decimal < 1328) { |
|---|
| 1043 | $return = '0500_052f'; // Cyrillic Supplement |
|---|
| 1044 | } elseif ($decimal < 1424) { |
|---|
| 1045 | $return = '0530_058f'; // Armenian |
|---|
| 1046 | } elseif ($decimal >= 7680 && $decimal < 7936) { |
|---|
| 1047 | $return = '1e00_1eff'; // Latin Extended Additional |
|---|
| 1048 | } elseif ($decimal < 8192) { |
|---|
| 1049 | $return = '1f00_1fff'; // Greek Extended |
|---|
| 1050 | } elseif ($decimal >= 8448 && $decimal < 8528) { |
|---|
| 1051 | $return = '2100_214f'; // Letterlike Symbols |
|---|
| 1052 | } elseif ($decimal < 8592) { |
|---|
| 1053 | $return = '2150_218f'; // Number Forms |
|---|
| 1054 | } elseif ($decimal >= 9312 && $decimal < 9472) { |
|---|
| 1055 | $return = '2460_24ff'; // Enclosed Alphanumerics |
|---|
| 1056 | } elseif ($decimal >= 11264 && $decimal < 11360) { |
|---|
| 1057 | $return = '2c00_2c5f'; // Glagolitic |
|---|
| 1058 | } elseif ($decimal < 11392) { |
|---|
| 1059 | $return = '2c60_2c7f'; // Latin Extended-C |
|---|
| 1060 | } elseif ($decimal < 11520) { |
|---|
| 1061 | $return = '2c80_2cff'; // Coptic |
|---|
| 1062 | } elseif ($decimal >= 65280 && $decimal < 65520) { |
|---|
| 1063 | $return = 'ff00_ffef'; // Halfwidth and Fullwidth Forms |
|---|
| 1064 | } else { |
|---|
| 1065 | $return = false; |
|---|
| 1066 | } |
|---|
| 1067 | $this->__codeRange[$decimal] = $return; |
|---|
| 1068 | return $return; |
|---|
| 1069 | } |
|---|
| 1070 | /** |
|---|
| 1071 | * Find the related code folding values for $char |
|---|
| 1072 | * |
|---|
| 1073 | * @param integer $char decimal value of character |
|---|
| 1074 | * @param string $type |
|---|
| 1075 | * @return array |
|---|
| 1076 | * @access private |
|---|
| 1077 | */ |
|---|
| 1078 | function __find($char, $type = 'lower') { |
|---|
| 1079 | $value = false; |
|---|
| 1080 | $found = array(); |
|---|
| 1081 | if (!isset($this->__codeRange[$char])) { |
|---|
| 1082 | $range = $this->__codepoint($char); |
|---|
| 1083 | if ($range === false) { |
|---|
| 1084 | return null; |
|---|
| 1085 | } |
|---|
| 1086 | Configure::load('unicode' . DS . 'casefolding' . DS . $range); |
|---|
| 1087 | $this->__caseFold[$range] = Configure::read($range); |
|---|
| 1088 | Configure::delete($range); |
|---|
| 1089 | } |
|---|
| 1090 | |
|---|
| 1091 | if (!$this->__codeRange[$char]) { |
|---|
| 1092 | return null; |
|---|
| 1093 | } |
|---|
| 1094 | $this->__table = $this->__codeRange[$char]; |
|---|
| 1095 | $count = count($this->__caseFold[$this->__table]); |
|---|
| 1096 | |
|---|
| 1097 | for ($i = 0; $i < $count; $i++) { |
|---|
| 1098 | if ($type === 'lower' && $this->__caseFold[$this->__table][$i][$type][0] === $char) { |
|---|
| 1099 | $found[] = $this->__caseFold[$this->__table][$i]; |
|---|
| 1100 | } elseif ($type === 'upper' && $this->__caseFold[$this->__table][$i][$type] === $char) { |
|---|
| 1101 | $found[] = $this->__caseFold[$this->__table][$i]; |
|---|
| 1102 | } |
|---|
| 1103 | } |
|---|
| 1104 | return $found; |
|---|
| 1105 | } |
|---|
| 1106 | /** |
|---|
| 1107 | * Check the $string for multibyte characters |
|---|
| 1108 | * @param string $string value to test |
|---|
| 1109 | * @return boolean |
|---|
| 1110 | * @access public |
|---|
| 1111 | * @static |
|---|
| 1112 | */ |
|---|
| 1113 | function checkMultibyte($string) { |
|---|
| 1114 | $length = strlen($string); |
|---|
| 1115 | |
|---|
| 1116 | for ($i = 0; $i < $length; $i++ ) { |
|---|
| 1117 | $value = ord(($string[$i])); |
|---|
| 1118 | if ($value > 128) { |
|---|
| 1119 | return true; |
|---|
| 1120 | } |
|---|
| 1121 | } |
|---|
| 1122 | return false; |
|---|
| 1123 | } |
|---|
| 1124 | } |
|---|
| 1125 | ?> |
|---|