1172 lines
36 KiB
PHP
1172 lines
36 KiB
PHP
<?php
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/**
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* Multibyte handling methods.
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*
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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* @since CakePHP(tm) v 1.2.0.6833
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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if (function_exists('mb_internal_encoding')) {
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$encoding = Configure::read('App.encoding');
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if (!empty($encoding)) {
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mb_internal_encoding($encoding);
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}
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}
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/**
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* Find position of first occurrence of a case-insensitive string.
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*
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* @param string $haystack The string from which to get the position of the first occurrence of $needle.
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* @param string $needle The string to find in $haystack.
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* @param integer $offset The position in $haystack to start searching.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return integer|boolean The numeric position of the first occurrence of $needle in the $haystack string, or false
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* if $needle is not found.
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*/
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if (!function_exists('mb_stripos')) {
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function mb_stripos($haystack, $needle, $offset = 0, $encoding = null) {
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return Multibyte::stripos($haystack, $needle, $offset);
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}
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}
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/**
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* Finds first occurrence of a string within another, case insensitive.
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*
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* @param string $haystack The string from which to get the first occurrence of $needle.
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* @param string $needle The string to find in $haystack.
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* @param boolean $part Determines which portion of $haystack this function returns.
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* If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle.
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* If set to false, it returns all of $haystack from the first occurrence of $needle to the end,
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* Default value is false.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return string|boolean The portion of $haystack, or false if $needle is not found.
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*/
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if (!function_exists('mb_stristr')) {
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function mb_stristr($haystack, $needle, $part = false, $encoding = null) {
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return Multibyte::stristr($haystack, $needle, $part);
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}
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}
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/**
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* Get string length.
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*
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* @param string $string The string being checked for length.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return integer The number of characters in string $string having character encoding encoding.
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* A multi-byte character is counted as 1.
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*/
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if (!function_exists('mb_strlen')) {
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function mb_strlen($string, $encoding = null) {
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return Multibyte::strlen($string);
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}
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}
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/**
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* Find position of first occurrence of a string.
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*
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* @param string $haystack The string being checked.
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* @param string $needle The position counted from the beginning of haystack.
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* @param integer $offset The search offset. If it is not specified, 0 is used.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return integer|boolean The numeric position of the first occurrence of $needle in the $haystack string.
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* If $needle is not found, it returns false.
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*/
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if (!function_exists('mb_strpos')) {
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function mb_strpos($haystack, $needle, $offset = 0, $encoding = null) {
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return Multibyte::strpos($haystack, $needle, $offset);
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}
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}
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/**
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* Finds the last occurrence of a character in a string within another.
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*
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* @param string $haystack The string from which to get the last occurrence of $needle.
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* @param string $needle The string to find in $haystack.
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* @param boolean $part Determines which portion of $haystack this function returns.
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* If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle.
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* If set to false, it returns all of $haystack from the last occurrence of $needle to the end,
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* Default value is false.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return string|boolean The portion of $haystack. or false if $needle is not found.
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*/
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if (!function_exists('mb_strrchr')) {
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function mb_strrchr($haystack, $needle, $part = false, $encoding = null) {
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return Multibyte::strrchr($haystack, $needle, $part);
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}
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}
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/**
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* Finds the last occurrence of a character in a string within another, case insensitive.
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*
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* @param string $haystack The string from which to get the last occurrence of $needle.
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* @param string $needle The string to find in $haystack.
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* @param boolean $part Determines which portion of $haystack this function returns.
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* If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle.
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* If set to false, it returns all of $haystack from the last occurrence of $needle to the end,
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* Default value is false.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return string|boolean The portion of $haystack. or false if $needle is not found.
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*/
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if (!function_exists('mb_strrichr')) {
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function mb_strrichr($haystack, $needle, $part = false, $encoding = null) {
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return Multibyte::strrichr($haystack, $needle, $part);
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}
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}
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/**
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* Finds position of last occurrence of a string within another, case insensitive
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*
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* @param string $haystack The string from which to get the position of the last occurrence of $needle.
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* @param string $needle The string to find in $haystack.
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* @param integer $offset The position in $haystack to start searching.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return integer|boolean The numeric position of the last occurrence of $needle in the $haystack string,
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* or false if $needle is not found.
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*/
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if (!function_exists('mb_strripos')) {
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function mb_strripos($haystack, $needle, $offset = 0, $encoding = null) {
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return Multibyte::strripos($haystack, $needle, $offset);
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}
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}
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/**
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* Find position of last occurrence of a string in a string.
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*
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* @param string $haystack The string being checked, for the last occurrence of $needle.
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* @param string $needle The string to find in $haystack.
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* @param integer $offset May be specified to begin searching an arbitrary number of characters into the string.
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* Negative values will stop searching at an arbitrary point prior to the end of the string.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return integer|boolean The numeric position of the last occurrence of $needle in the $haystack string.
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* If $needle is not found, it returns false.
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*/
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if (!function_exists('mb_strrpos')) {
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function mb_strrpos($haystack, $needle, $offset = 0, $encoding = null) {
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return Multibyte::strrpos($haystack, $needle, $offset);
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}
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}
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/**
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* Finds first occurrence of a string within another
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*
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* @param string $haystack The string from which to get the first occurrence of $needle.
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* @param string $needle The string to find in $haystack
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* @param boolean $part Determines which portion of $haystack this function returns.
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* If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle.
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* If set to false, it returns all of $haystack from the first occurrence of $needle to the end,
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* Default value is FALSE.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return string|boolean The portion of $haystack, or true if $needle is not found.
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*/
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if (!function_exists('mb_strstr')) {
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function mb_strstr($haystack, $needle, $part = false, $encoding = null) {
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return Multibyte::strstr($haystack, $needle, $part);
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}
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}
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/**
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* Make a string lowercase
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*
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* @param string $string The string being lowercased.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return string with all alphabetic characters converted to lowercase.
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*/
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if (!function_exists('mb_strtolower')) {
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function mb_strtolower($string, $encoding = null) {
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return Multibyte::strtolower($string);
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}
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}
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/**
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* Make a string uppercase
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*
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* @param string $string The string being uppercased.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return string with all alphabetic characters converted to uppercase.
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*/
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if (!function_exists('mb_strtoupper')) {
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function mb_strtoupper($string, $encoding = null) {
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return Multibyte::strtoupper($string);
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}
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}
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/**
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* Count the number of substring occurrences
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*
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* @param string $haystack The string being checked.
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* @param string $needle The string being found.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return integer The number of times the $needle substring occurs in the $haystack string.
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*/
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if (!function_exists('mb_substr_count')) {
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function mb_substr_count($haystack, $needle, $encoding = null) {
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return Multibyte::substrCount($haystack, $needle);
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}
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}
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/**
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* Get part of string
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*
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* @param string $string The string being checked.
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* @param integer $start The first position used in $string.
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* @param integer $length The maximum length of the returned string.
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* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
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* @return string The portion of $string specified by the $string and $length parameters.
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*/
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if (!function_exists('mb_substr')) {
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function mb_substr($string, $start, $length = null, $encoding = null) {
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return Multibyte::substr($string, $start, $length);
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}
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}
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/**
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* Encode string for MIME header
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*
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* @param string $str The string being encoded
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* @param string $charset specifies the name of the character set in which str is represented in.
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* The default value is determined by the current NLS setting (mbstring.language).
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* @param string $transfer_encoding specifies the scheme of MIME encoding.
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* It should be either "B" (Base64) or "Q" (Quoted-Printable). Falls back to "B" if not given.
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* @param string $linefeed specifies the EOL (end-of-line) marker with which
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* mb_encode_mimeheader() performs line-folding
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* (a » RFC term, the act of breaking a line longer than a certain length into multiple lines.
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* The length is currently hard-coded to 74 characters). Falls back to "\r\n" (CRLF) if not given.
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* @param integer $indent [definition unknown and appears to have no affect]
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* @return string A converted version of the string represented in ASCII.
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*/
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if (!function_exists('mb_encode_mimeheader')) {
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function mb_encode_mimeheader($str, $charset = 'UTF-8', $transfer_encoding = 'B', $linefeed = "\r\n", $indent = 1) {
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return Multibyte::mimeEncode($str, $charset, $linefeed);
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}
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}
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/**
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* Multibyte handling methods.
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*
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*
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* @package cake
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* @subpackage cake.cake.libs
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*/
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class Multibyte extends Object {
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/**
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* Holds the case folding values
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*
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* @var array
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* @access private
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*/
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var $__caseFold = array();
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/**
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* Holds an array of Unicode code point ranges
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*
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* @var array
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* @access private
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*/
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var $__codeRange = array();
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/**
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* Holds the current code point range
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*
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* @var string
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* @access private
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*/
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var $__table = null;
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/**
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* Gets a reference to the Multibyte object instance
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*
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* @return object Multibyte instance
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* @access public
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* @static
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*/
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function &getInstance() {
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static $instance = array();
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if (!$instance) {
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$instance[0] =& new Multibyte();
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}
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return $instance[0];
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}
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/**
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* Converts a multibyte character string
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* to the decimal value of the character
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*
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* @param multibyte string $string
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* @return array
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* @access public
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* @static
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*/
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function utf8($string) {
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$map = array();
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$values = array();
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$find = 1;
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$length = strlen($string);
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for ($i = 0; $i < $length; $i++) {
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$value = ord($string[$i]);
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if ($value < 128) {
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$map[] = $value;
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} else {
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if (empty($values)) {
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$find = ($value < 224) ? 2 : 3;
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}
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$values[] = $value;
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if (count($values) === $find) {
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if ($find == 3) {
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$map[] = (($values[0] % 16) * 4096) + (($values[1] % 64) * 64) + ($values[2] % 64);
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} else {
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$map[] = (($values[0] % 32) * 64) + ($values[1] % 64);
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}
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$values = array();
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$find = 1;
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}
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}
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}
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return $map;
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}
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/**
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* Converts the decimal value of a multibyte character string
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* to a string
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*
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* @param array $array
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* @return string
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* @access public
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* @static
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*/
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function ascii($array) {
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$ascii = '';
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foreach ($array as $utf8) {
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if ($utf8 < 128) {
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$ascii .= chr($utf8);
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} elseif ($utf8 < 2048) {
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$ascii .= chr(192 + (($utf8 - ($utf8 % 64)) / 64));
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$ascii .= chr(128 + ($utf8 % 64));
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} else {
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$ascii .= chr(224 + (($utf8 - ($utf8 % 4096)) / 4096));
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$ascii .= chr(128 + ((($utf8 % 4096) - ($utf8 % 64)) / 64));
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$ascii .= chr(128 + ($utf8 % 64));
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}
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}
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return $ascii;
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}
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/**
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* Find position of first occurrence of a case-insensitive string.
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*
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* @param multi-byte string $haystack The string from which to get the position of the first occurrence of $needle.
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* @param multi-byte string $needle The string to find in $haystack.
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* @param integer $offset The position in $haystack to start searching.
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* @return integer|boolean The numeric position of the first occurrence of $needle in the $haystack string,
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* or false if $needle is not found.
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* @access public
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* @static
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*/
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function stripos($haystack, $needle, $offset = 0) {
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if (!PHP5 || Multibyte::checkMultibyte($haystack)) {
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$haystack = Multibyte::strtoupper($haystack);
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$needle = Multibyte::strtoupper($needle);
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return Multibyte::strpos($haystack, $needle, $offset);
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}
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return stripos($haystack, $needle, $offset);
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}
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|
|
|
/**
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|
* Finds first occurrence of a string within another, case insensitive.
|
|
*
|
|
* @param string $haystack The string from which to get the first occurrence of $needle.
|
|
* @param string $needle The string to find in $haystack.
|
|
* @param boolean $part Determines which portion of $haystack this function returns.
|
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* If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle.
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* If set to false, it returns all of $haystack from the first occurrence of $needle to the end,
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* Default value is false.
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* @return int|boolean The portion of $haystack, or false if $needle is not found.
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* @access public
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* @static
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*/
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function stristr($haystack, $needle, $part = false) {
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$php = (PHP_VERSION < 5.3);
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if (($php && $part) || Multibyte::checkMultibyte($haystack)) {
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$check = Multibyte::strtoupper($haystack);
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$check = Multibyte::utf8($check);
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$found = false;
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$haystack = Multibyte::utf8($haystack);
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$haystackCount = count($haystack);
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$needle = Multibyte::strtoupper($needle);
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$needle = Multibyte::utf8($needle);
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$needleCount = count($needle);
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$parts = array();
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$position = 0;
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while (($found === false) && ($position < $haystackCount)) {
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if (isset($needle[0]) && $needle[0] === $check[$position]) {
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for ($i = 1; $i < $needleCount; $i++) {
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if ($needle[$i] !== $check[$position + $i]) {
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break;
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}
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}
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if ($i === $needleCount) {
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$found = true;
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}
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}
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if (!$found) {
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$parts[] = $haystack[$position];
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unset($haystack[$position]);
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}
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$position++;
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}
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if ($found && $part && !empty($parts)) {
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return Multibyte::ascii($parts);
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} elseif ($found && !empty($haystack)) {
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return Multibyte::ascii($haystack);
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}
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return false;
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}
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if (!$php) {
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return stristr($haystack, $needle, $part);
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}
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return stristr($haystack, $needle);
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}
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|
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/**
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* Get string length.
|
|
*
|
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* @param string $string The string being checked for length.
|
|
* @return integer The number of characters in string $string
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* @access public
|
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* @static
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|
*/
|
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function strlen($string) {
|
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if (Multibyte::checkMultibyte($string)) {
|
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$string = Multibyte::utf8($string);
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return count($string);
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}
|
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return strlen($string);
|
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}
|
|
|
|
/**
|
|
* Find position of first occurrence of a string.
|
|
*
|
|
* @param string $haystack The string being checked.
|
|
* @param string $needle The position counted from the beginning of haystack.
|
|
* @param integer $offset The search offset. If it is not specified, 0 is used.
|
|
* @return integer|boolean The numeric position of the first occurrence of $needle in the $haystack string.
|
|
* If $needle is not found, it returns false.
|
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* @access public
|
|
* @static
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*/
|
|
function strpos($haystack, $needle, $offset = 0) {
|
|
if (Multibyte::checkMultibyte($haystack)) {
|
|
$found = false;
|
|
|
|
$haystack = Multibyte::utf8($haystack);
|
|
$haystackCount = count($haystack);
|
|
|
|
$needle = Multibyte::utf8($needle);
|
|
$needleCount = count($needle);
|
|
|
|
$position = $offset;
|
|
|
|
while (($found === false) && ($position < $haystackCount)) {
|
|
if (isset($needle[0]) && $needle[0] === $haystack[$position]) {
|
|
for ($i = 1; $i < $needleCount; $i++) {
|
|
if ($needle[$i] !== $haystack[$position + $i]) {
|
|
break;
|
|
}
|
|
}
|
|
if ($i === $needleCount) {
|
|
$found = true;
|
|
$position--;
|
|
}
|
|
}
|
|
$position++;
|
|
}
|
|
if ($found) {
|
|
return $position;
|
|
}
|
|
return false;
|
|
}
|
|
return strpos($haystack, $needle, $offset);
|
|
}
|
|
|
|
/**
|
|
* Finds the last occurrence of a character in a string within another.
|
|
*
|
|
* @param string $haystack The string from which to get the last occurrence of $needle.
|
|
* @param string $needle The string to find in $haystack.
|
|
* @param boolean $part Determines which portion of $haystack this function returns.
|
|
* If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle.
|
|
* If set to false, it returns all of $haystack from the last occurrence of $needle to the end,
|
|
* Default value is false.
|
|
* @return string|boolean The portion of $haystack. or false if $needle is not found.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function strrchr($haystack, $needle, $part = false) {
|
|
$check = Multibyte::utf8($haystack);
|
|
$found = false;
|
|
|
|
$haystack = Multibyte::utf8($haystack);
|
|
$haystackCount = count($haystack);
|
|
|
|
$matches = array_count_values($check);
|
|
|
|
$needle = Multibyte::utf8($needle);
|
|
$needleCount = count($needle);
|
|
|
|
$parts = array();
|
|
$position = 0;
|
|
|
|
while (($found === false) && ($position < $haystackCount)) {
|
|
if (isset($needle[0]) && $needle[0] === $check[$position]) {
|
|
for ($i = 1; $i < $needleCount; $i++) {
|
|
if ($needle[$i] !== $check[$position + $i]) {
|
|
if ($needle[$i] === $check[($position + $i) -1]) {
|
|
$found = true;
|
|
}
|
|
unset($parts[$position - 1]);
|
|
$haystack = array_merge(array($haystack[$position]), $haystack);
|
|
break;
|
|
}
|
|
}
|
|
if (isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) {
|
|
$matches[$needle[0]] = $matches[$needle[0]] - 1;
|
|
} elseif ($i === $needleCount) {
|
|
$found = true;
|
|
}
|
|
}
|
|
|
|
if (!$found && isset($haystack[$position])) {
|
|
$parts[] = $haystack[$position];
|
|
unset($haystack[$position]);
|
|
}
|
|
$position++;
|
|
}
|
|
|
|
if ($found && $part && !empty($parts)) {
|
|
return Multibyte::ascii($parts);
|
|
} elseif ($found && !empty($haystack)) {
|
|
return Multibyte::ascii($haystack);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Finds the last occurrence of a character in a string within another, case insensitive.
|
|
*
|
|
* @param string $haystack The string from which to get the last occurrence of $needle.
|
|
* @param string $needle The string to find in $haystack.
|
|
* @param boolean $part Determines which portion of $haystack this function returns.
|
|
* If set to true, it returns all of $haystack from the beginning to the last occurrence of $needle.
|
|
* If set to false, it returns all of $haystack from the last occurrence of $needle to the end,
|
|
* Default value is false.
|
|
* @return string|boolean The portion of $haystack. or false if $needle is not found.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function strrichr($haystack, $needle, $part = false) {
|
|
$check = Multibyte::strtoupper($haystack);
|
|
$check = Multibyte::utf8($check);
|
|
$found = false;
|
|
|
|
$haystack = Multibyte::utf8($haystack);
|
|
$haystackCount = count($haystack);
|
|
|
|
$matches = array_count_values($check);
|
|
|
|
$needle = Multibyte::strtoupper($needle);
|
|
$needle = Multibyte::utf8($needle);
|
|
$needleCount = count($needle);
|
|
|
|
$parts = array();
|
|
$position = 0;
|
|
|
|
while (($found === false) && ($position < $haystackCount)) {
|
|
if (isset($needle[0]) && $needle[0] === $check[$position]) {
|
|
for ($i = 1; $i < $needleCount; $i++) {
|
|
if ($needle[$i] !== $check[$position + $i]) {
|
|
if ($needle[$i] === $check[($position + $i) -1]) {
|
|
$found = true;
|
|
}
|
|
unset($parts[$position - 1]);
|
|
$haystack = array_merge(array($haystack[$position]), $haystack);
|
|
break;
|
|
}
|
|
}
|
|
if (isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) {
|
|
$matches[$needle[0]] = $matches[$needle[0]] - 1;
|
|
} elseif ($i === $needleCount) {
|
|
$found = true;
|
|
}
|
|
}
|
|
|
|
if (!$found && isset($haystack[$position])) {
|
|
$parts[] = $haystack[$position];
|
|
unset($haystack[$position]);
|
|
}
|
|
$position++;
|
|
}
|
|
|
|
if ($found && $part && !empty($parts)) {
|
|
return Multibyte::ascii($parts);
|
|
} elseif ($found && !empty($haystack)) {
|
|
return Multibyte::ascii($haystack);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Finds position of last occurrence of a string within another, case insensitive
|
|
*
|
|
* @param string $haystack The string from which to get the position of the last occurrence of $needle.
|
|
* @param string $needle The string to find in $haystack.
|
|
* @param integer $offset The position in $haystack to start searching.
|
|
* @return integer|boolean The numeric position of the last occurrence of $needle in the $haystack string,
|
|
* or false if $needle is not found.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function strripos($haystack, $needle, $offset = 0) {
|
|
if (!PHP5 || Multibyte::checkMultibyte($haystack)) {
|
|
$found = false;
|
|
$haystack = Multibyte::strtoupper($haystack);
|
|
$haystack = Multibyte::utf8($haystack);
|
|
$haystackCount = count($haystack);
|
|
|
|
$matches = array_count_values($haystack);
|
|
|
|
$needle = Multibyte::strtoupper($needle);
|
|
$needle = Multibyte::utf8($needle);
|
|
$needleCount = count($needle);
|
|
|
|
$position = $offset;
|
|
|
|
while (($found === false) && ($position < $haystackCount)) {
|
|
if (isset($needle[0]) && $needle[0] === $haystack[$position]) {
|
|
for ($i = 1; $i < $needleCount; $i++) {
|
|
if ($needle[$i] !== $haystack[$position + $i]) {
|
|
if ($needle[$i] === $haystack[($position + $i) -1]) {
|
|
$position--;
|
|
$found = true;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$offset && isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) {
|
|
$matches[$needle[0]] = $matches[$needle[0]] - 1;
|
|
} elseif ($i === $needleCount) {
|
|
$found = true;
|
|
$position--;
|
|
}
|
|
}
|
|
$position++;
|
|
}
|
|
return ($found) ? $position : false;
|
|
}
|
|
return strripos($haystack, $needle, $offset);
|
|
}
|
|
|
|
/**
|
|
* Find position of last occurrence of a string in a string.
|
|
*
|
|
* @param string $haystack The string being checked, for the last occurrence of $needle.
|
|
* @param string $needle The string to find in $haystack.
|
|
* @param integer $offset May be specified to begin searching an arbitrary number of characters into the string.
|
|
* Negative values will stop searching at an arbitrary point prior to the end of the string.
|
|
* @return integer|boolean The numeric position of the last occurrence of $needle in the $haystack string.
|
|
* If $needle is not found, it returns false.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function strrpos($haystack, $needle, $offset = 0) {
|
|
if (!PHP5 || Multibyte::checkMultibyte($haystack)) {
|
|
$found = false;
|
|
|
|
$haystack = Multibyte::utf8($haystack);
|
|
$haystackCount = count($haystack);
|
|
|
|
$matches = array_count_values($haystack);
|
|
|
|
$needle = Multibyte::utf8($needle);
|
|
$needleCount = count($needle);
|
|
|
|
$position = $offset;
|
|
|
|
while (($found === false) && ($position < $haystackCount)) {
|
|
if (isset($needle[0]) && $needle[0] === $haystack[$position]) {
|
|
for ($i = 1; $i < $needleCount; $i++) {
|
|
if ($needle[$i] !== $haystack[$position + $i]) {
|
|
if ($needle[$i] === $haystack[($position + $i) -1]) {
|
|
$position--;
|
|
$found = true;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$offset && isset($matches[$needle[0]]) && $matches[$needle[0]] > 1) {
|
|
$matches[$needle[0]] = $matches[$needle[0]] - 1;
|
|
} elseif ($i === $needleCount) {
|
|
$found = true;
|
|
$position--;
|
|
}
|
|
}
|
|
$position++;
|
|
}
|
|
return ($found) ? $position : false;
|
|
}
|
|
return strrpos($haystack, $needle, $offset);
|
|
}
|
|
|
|
/**
|
|
* Finds first occurrence of a string within another
|
|
*
|
|
* @param string $haystack The string from which to get the first occurrence of $needle.
|
|
* @param string $needle The string to find in $haystack
|
|
* @param boolean $part Determines which portion of $haystack this function returns.
|
|
* If set to true, it returns all of $haystack from the beginning to the first occurrence of $needle.
|
|
* If set to false, it returns all of $haystack from the first occurrence of $needle to the end,
|
|
* Default value is FALSE.
|
|
* @return string|boolean The portion of $haystack, or true if $needle is not found.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function strstr($haystack, $needle, $part = false) {
|
|
$php = (PHP_VERSION < 5.3);
|
|
|
|
if (($php && $part) || Multibyte::checkMultibyte($haystack)) {
|
|
$check = Multibyte::utf8($haystack);
|
|
$found = false;
|
|
|
|
$haystack = Multibyte::utf8($haystack);
|
|
$haystackCount = count($haystack);
|
|
|
|
$needle = Multibyte::utf8($needle);
|
|
$needleCount = count($needle);
|
|
|
|
$parts = array();
|
|
$position = 0;
|
|
|
|
while (($found === false) && ($position < $haystackCount)) {
|
|
if (isset($needle[0]) && $needle[0] === $check[$position]) {
|
|
for ($i = 1; $i < $needleCount; $i++) {
|
|
if ($needle[$i] !== $check[$position + $i]) {
|
|
break;
|
|
}
|
|
}
|
|
if ($i === $needleCount) {
|
|
$found = true;
|
|
}
|
|
}
|
|
if (!$found) {
|
|
$parts[] = $haystack[$position];
|
|
unset($haystack[$position]);
|
|
}
|
|
$position++;
|
|
}
|
|
|
|
if ($found && $part && !empty($parts)) {
|
|
return Multibyte::ascii($parts);
|
|
} elseif ($found && !empty($haystack)) {
|
|
return Multibyte::ascii($haystack);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (!$php) {
|
|
return strstr($haystack, $needle, $part);
|
|
}
|
|
return strstr($haystack, $needle);
|
|
}
|
|
|
|
/**
|
|
* Make a string lowercase
|
|
*
|
|
* @param string $string The string being lowercased.
|
|
* @return string with all alphabetic characters converted to lowercase.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function strtolower($string) {
|
|
$_this =& Multibyte::getInstance();
|
|
$utf8Map = Multibyte::utf8($string);
|
|
|
|
$length = count($utf8Map);
|
|
$lowerCase = array();
|
|
$matched = false;
|
|
|
|
for ($i = 0 ; $i < $length; $i++) {
|
|
$char = $utf8Map[$i];
|
|
|
|
if ($char < 128) {
|
|
$str = strtolower(chr($char));
|
|
$strlen = strlen($str);
|
|
for ($ii = 0 ; $ii < $strlen; $ii++) {
|
|
$lower = ord(substr($str, $ii, 1));
|
|
}
|
|
$lowerCase[] = $lower;
|
|
$matched = true;
|
|
} else {
|
|
$matched = false;
|
|
$keys = $_this->__find($char, 'upper');
|
|
|
|
if (!empty($keys)) {
|
|
foreach ($keys as $key => $value) {
|
|
if ($keys[$key]['upper'] == $char && count($keys[$key]['lower'][0]) === 1) {
|
|
$lowerCase[] = $keys[$key]['lower'][0];
|
|
$matched = true;
|
|
break 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($matched === false) {
|
|
$lowerCase[] = $char;
|
|
}
|
|
}
|
|
return Multibyte::ascii($lowerCase);
|
|
}
|
|
|
|
/**
|
|
* Make a string uppercase
|
|
*
|
|
* @param string $string The string being uppercased.
|
|
* @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
|
|
* @return string with all alphabetic characters converted to uppercase.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function strtoupper($string) {
|
|
$_this =& Multibyte::getInstance();
|
|
$utf8Map = Multibyte::utf8($string);
|
|
|
|
$length = count($utf8Map);
|
|
$matched = false;
|
|
$replaced = array();
|
|
$upperCase = array();
|
|
|
|
for ($i = 0 ; $i < $length; $i++) {
|
|
$char = $utf8Map[$i];
|
|
|
|
if ($char < 128) {
|
|
$str = strtoupper(chr($char));
|
|
$strlen = strlen($str);
|
|
for ($ii = 0 ; $ii < $strlen; $ii++) {
|
|
$upper = ord(substr($str, $ii, 1));
|
|
}
|
|
$upperCase[] = $upper;
|
|
$matched = true;
|
|
|
|
} else {
|
|
$matched = false;
|
|
$keys = $_this->__find($char);
|
|
$keyCount = count($keys);
|
|
|
|
if (!empty($keys)) {
|
|
foreach ($keys as $key => $value) {
|
|
$matched = false;
|
|
$replace = 0;
|
|
if ($length > 1 && count($keys[$key]['lower']) > 1) {
|
|
$j = 0;
|
|
|
|
for ($ii = 0, $count = count($keys[$key]['lower']); $ii < $count; $ii++) {
|
|
$nextChar = $utf8Map[$i + $ii];
|
|
|
|
if (isset($nextChar) && ($nextChar == $keys[$key]['lower'][$j + $ii])) {
|
|
$replace++;
|
|
}
|
|
}
|
|
if ($replace == $count) {
|
|
$upperCase[] = $keys[$key]['upper'];
|
|
$replaced = array_merge($replaced, array_values($keys[$key]['lower']));
|
|
$matched = true;
|
|
break 1;
|
|
}
|
|
} elseif ($length > 1 && $keyCount > 1) {
|
|
$j = 0;
|
|
for ($ii = 1; $ii < $keyCount; $ii++) {
|
|
$nextChar = $utf8Map[$i + $ii - 1];
|
|
|
|
if (in_array($nextChar, $keys[$ii]['lower'])) {
|
|
|
|
for ($jj = 0, $count = count($keys[$ii]['lower']); $jj < $count; $jj++) {
|
|
$nextChar = $utf8Map[$i + $jj];
|
|
|
|
if (isset($nextChar) && ($nextChar == $keys[$ii]['lower'][$j + $jj])) {
|
|
$replace++;
|
|
}
|
|
}
|
|
if ($replace == $count) {
|
|
$upperCase[] = $keys[$ii]['upper'];
|
|
$replaced = array_merge($replaced, array_values($keys[$ii]['lower']));
|
|
$matched = true;
|
|
break 2;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($keys[$key]['lower'][0] == $char) {
|
|
$upperCase[] = $keys[$key]['upper'];
|
|
$matched = true;
|
|
break 1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ($matched === false && !in_array($char, $replaced, true)) {
|
|
$upperCase[] = $char;
|
|
}
|
|
}
|
|
return Multibyte::ascii($upperCase);
|
|
}
|
|
|
|
/**
|
|
* Count the number of substring occurrences
|
|
*
|
|
* @param string $haystack The string being checked.
|
|
* @param string $needle The string being found.
|
|
* @return integer The number of times the $needle substring occurs in the $haystack string.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function substrCount($haystack, $needle) {
|
|
$count = 0;
|
|
$haystack = Multibyte::utf8($haystack);
|
|
$haystackCount = count($haystack);
|
|
$matches = array_count_values($haystack);
|
|
$needle = Multibyte::utf8($needle);
|
|
$needleCount = count($needle);
|
|
|
|
if ($needleCount === 1 && isset($matches[$needle[0]])) {
|
|
return $matches[$needle[0]];
|
|
}
|
|
|
|
for ($i = 0; $i < $haystackCount; $i++) {
|
|
if (isset($needle[0]) && $needle[0] === $haystack[$i]) {
|
|
for ($ii = 1; $ii < $needleCount; $ii++) {
|
|
if ($needle[$ii] === $haystack[$i + 1]) {
|
|
if ((isset($needle[$ii + 1]) && $haystack[$i + 2]) && $needle[$ii + 1] !== $haystack[$i + 2]) {
|
|
$count--;
|
|
} else {
|
|
$count++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $count;
|
|
}
|
|
|
|
/**
|
|
* Get part of string
|
|
*
|
|
* @param string $string The string being checked.
|
|
* @param integer $start The first position used in $string.
|
|
* @param integer $length The maximum length of the returned string.
|
|
* @return string The portion of $string specified by the $string and $length parameters.
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function substr($string, $start, $length = null) {
|
|
if ($start === 0 && $length === null) {
|
|
return $string;
|
|
}
|
|
|
|
$string = Multibyte::utf8($string);
|
|
$stringCount = count($string);
|
|
|
|
for ($i = 1; $i <= $start; $i++) {
|
|
unset($string[$i - 1]);
|
|
}
|
|
|
|
if ($length === null || count($string) < $length) {
|
|
return Multibyte::ascii($string);
|
|
}
|
|
$string = array_values($string);
|
|
|
|
$value = array();
|
|
for ($i = 0; $i < $length; $i++) {
|
|
$value[] = $string[$i];
|
|
}
|
|
return Multibyte::ascii($value);
|
|
}
|
|
|
|
/**
|
|
* Prepare a string for mail transport, using the provided encoding
|
|
*
|
|
* @param string $string value to encode
|
|
* @param string $charset charset to use for encoding. defaults to UTF-8
|
|
* @param string $newline
|
|
* @return string
|
|
* @access public
|
|
* @static
|
|
* @TODO: add support for 'Q'('Quoted Printable') encoding
|
|
*/
|
|
function mimeEncode($string, $charset = null, $newline = "\r\n") {
|
|
if (!Multibyte::checkMultibyte($string) && strlen($string) < 75) {
|
|
return $string;
|
|
}
|
|
|
|
if (empty($charset)) {
|
|
$charset = Configure::read('App.encoding');
|
|
}
|
|
$charset = strtoupper($charset);
|
|
|
|
$start = '=?' . $charset . '?B?';
|
|
$end = '?=';
|
|
$spacer = $end . $newline . ' ' . $start;
|
|
|
|
$length = 75 - strlen($start) - strlen($end);
|
|
$length = $length - ($length % 4);
|
|
if ($charset == 'UTF-8') {
|
|
$parts = array();
|
|
$maxchars = floor(($length * 3) / 4);
|
|
while (strlen($string) > $maxchars) {
|
|
$i = $maxchars;
|
|
$test = ord($string[$i]);
|
|
while ($test >= 128 && $test <= 191) {
|
|
$i--;
|
|
$test = ord($string[$i]);
|
|
}
|
|
$parts[] = base64_encode(substr($string, 0, $i));
|
|
$string = substr($string, $i);
|
|
}
|
|
$parts[] = base64_encode($string);
|
|
$string = implode($spacer, $parts);
|
|
} else {
|
|
$string = chunk_split(base64_encode($string), $length, $spacer);
|
|
$string = preg_replace('/' . preg_quote($spacer) . '$/', '', $string);
|
|
}
|
|
return $start . $string . $end;
|
|
}
|
|
|
|
/**
|
|
* Return the Code points range for Unicode characters
|
|
*
|
|
* @param interger $decimal
|
|
* @return string
|
|
* @access private
|
|
*/
|
|
function __codepoint($decimal) {
|
|
if ($decimal > 128 && $decimal < 256) {
|
|
$return = '0080_00ff'; // Latin-1 Supplement
|
|
} elseif ($decimal < 384) {
|
|
$return = '0100_017f'; // Latin Extended-A
|
|
} elseif ($decimal < 592) {
|
|
$return = '0180_024F'; // Latin Extended-B
|
|
} elseif ($decimal < 688) {
|
|
$return = '0250_02af'; // IPA Extensions
|
|
} elseif ($decimal >= 880 && $decimal < 1024) {
|
|
$return = '0370_03ff'; // Greek and Coptic
|
|
} elseif ($decimal < 1280) {
|
|
$return = '0400_04ff'; // Cyrillic
|
|
} elseif ($decimal < 1328) {
|
|
$return = '0500_052f'; // Cyrillic Supplement
|
|
} elseif ($decimal < 1424) {
|
|
$return = '0530_058f'; // Armenian
|
|
} elseif ($decimal >= 7680 && $decimal < 7936) {
|
|
$return = '1e00_1eff'; // Latin Extended Additional
|
|
} elseif ($decimal < 8192) {
|
|
$return = '1f00_1fff'; // Greek Extended
|
|
} elseif ($decimal >= 8448 && $decimal < 8528) {
|
|
$return = '2100_214f'; // Letterlike Symbols
|
|
} elseif ($decimal < 8592) {
|
|
$return = '2150_218f'; // Number Forms
|
|
} elseif ($decimal >= 9312 && $decimal < 9472) {
|
|
$return = '2460_24ff'; // Enclosed Alphanumerics
|
|
} elseif ($decimal >= 11264 && $decimal < 11360) {
|
|
$return = '2c00_2c5f'; // Glagolitic
|
|
} elseif ($decimal < 11392) {
|
|
$return = '2c60_2c7f'; // Latin Extended-C
|
|
} elseif ($decimal < 11520) {
|
|
$return = '2c80_2cff'; // Coptic
|
|
} elseif ($decimal >= 65280 && $decimal < 65520) {
|
|
$return = 'ff00_ffef'; // Halfwidth and Fullwidth Forms
|
|
} else {
|
|
$return = false;
|
|
}
|
|
$this->__codeRange[$decimal] = $return;
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Find the related code folding values for $char
|
|
*
|
|
* @param integer $char decimal value of character
|
|
* @param string $type
|
|
* @return array
|
|
* @access private
|
|
*/
|
|
function __find($char, $type = 'lower') {
|
|
$value = false;
|
|
$found = array();
|
|
if (!isset($this->__codeRange[$char])) {
|
|
$range = $this->__codepoint($char);
|
|
if ($range === false) {
|
|
return null;
|
|
}
|
|
Configure::load('unicode' . DS . 'casefolding' . DS . $range);
|
|
$this->__caseFold[$range] = Configure::read($range);
|
|
Configure::delete($range);
|
|
}
|
|
|
|
if (!$this->__codeRange[$char]) {
|
|
return null;
|
|
}
|
|
$this->__table = $this->__codeRange[$char];
|
|
$count = count($this->__caseFold[$this->__table]);
|
|
|
|
for ($i = 0; $i < $count; $i++) {
|
|
if ($type === 'lower' && $this->__caseFold[$this->__table][$i][$type][0] === $char) {
|
|
$found[] = $this->__caseFold[$this->__table][$i];
|
|
} elseif ($type === 'upper' && $this->__caseFold[$this->__table][$i][$type] === $char) {
|
|
$found[] = $this->__caseFold[$this->__table][$i];
|
|
}
|
|
}
|
|
return $found;
|
|
}
|
|
|
|
/**
|
|
* Check the $string for multibyte characters
|
|
* @param string $string value to test
|
|
* @return boolean
|
|
* @access public
|
|
* @static
|
|
*/
|
|
function checkMultibyte($string) {
|
|
$length = strlen($string);
|
|
|
|
for ($i = 0; $i < $length; $i++ ) {
|
|
$value = ord(($string[$i]));
|
|
if ($value > 128) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|