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<?php
/**
* @package Joomla.Platform
* @subpackage String
*
* @copyright Copyright (C) 2005 - 2012 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
//
// PHP mbstring and iconv local configuration
//
// Check if mbstring extension is loaded and attempt to load it if not present except for windows
if (extension_loaded('mbstring') || ((!strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' && dl('mbstring.so'))))
{
// Make sure to suppress the output in case ini_set is disabled
@ini_set('mbstring.internal_encoding', 'UTF-8');
@ini_set('mbstring.http_input', 'UTF-8');
@ini_set('mbstring.http_output', 'UTF-8');
}
// Same for iconv
if (function_exists('iconv') || ((!strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' && dl('iconv.so'))))
{
// These are settings that can be set inside code
iconv_set_encoding("internal_encoding", "UTF-8");
iconv_set_encoding("input_encoding", "UTF-8");
iconv_set_encoding("output_encoding", "UTF-8");
}
/**
* Include the utf8 package
*/
jimport('phputf8.utf8');
jimport('phputf8.strcasecmp');
/**
* String handling class for utf-8 data
* Wraps the phputf8 library
* All functions assume the validity of utf-8 strings.
*
* @package Joomla.Platform
* @subpackage String
* @since 11.1
*/
abstract class JString
{
/**
* Increment styles.
*
* @var array
* @since 11.3
*/
protected static $incrementStyles = array(
'dash' => array(
'#-(\d+)$#',
'-%d'
),
'default' => array(
array('#\((\d+)\)$#', '#\(\d+\)$#'),
array(' (%d)', '(%d)'),
),
);
/**
* Split a string in camel case format
*
* "FooBarABCDef" becomes array("Foo", "Bar", "ABC", "Def");
* "JFooBar" becomes array("J", "Foo", "Bar");
* "J001FooBar002" becomes array("J001", "Foo", "Bar002");
* "abcDef" becomes array("abc", "Def");
* "abc_defGhi_Jkl" becomes array("abc_def", "Ghi_Jkl");
* "ThisIsA_NASAAstronaut" becomes array("This", "Is", "A_NASA", "Astronaut")),
* "JohnFitzgerald_Kennedy" becomes array("John", "Fitzgerald_Kennedy")),
*
* @param string $string The source string.
*
* @return array The splitted string.
*
* @since 11.3
*/
public static function splitCamelCase($string)
{
return preg_split('/(?<=[^A-Z_])(?=[A-Z])|(?<=[A-Z])(?=[A-Z][^A-Z_])/x', $string);
}
/**
* Increments a trailing number in a string.
*
* Used to easily create distinct labels when copying objects. The method has the following styles:
*
* default: "Label" becomes "Label (2)"
* dash: "Label" becomes "Label-2"
*
* @param string $string The source string.
* @param string $style The the style (default|dash).
* @param integer $n If supplied, this number is used for the copy, otherwise it is the 'next' number.
*
* @return string The incremented string.
*
* @since 11.3
*/
public static function increment($string, $style = 'default', $n = 0)
{
$styleSpec = isset(self::$incrementStyles[$style]) ? self::$incrementStyles[$style] : self::$incrementStyles['default'];
// Regular expression search and replace patterns.
if (is_array($styleSpec[0]))
{
$rxSearch = $styleSpec[0][0];
$rxReplace = $styleSpec[0][1];
}
else
{
$rxSearch = $rxReplace = $styleSpec[0];
}
// New and old (existing) sprintf formats.
if (is_array($styleSpec[1]))
{
$newFormat = $styleSpec[1][0];
$oldFormat = $styleSpec[1][1];
}
else
{
$newFormat = $oldFormat = $styleSpec[1];
}
// Check if we are incrementing an existing pattern, or appending a new one.
if (preg_match($rxSearch, $string, $matches))
{
$n = empty($n) ? ($matches[1] + 1) : $n;
$string = preg_replace($rxReplace, sprintf($oldFormat, $n), $string);
}
else
{
$n = empty($n) ? 2 : $n;
$string .= sprintf($newFormat, $n);
}
return $string;
}
/**
* UTF-8 aware alternative to strpos.
*
* Find position of first occurrence of a string.
*
* @param string $str String being examined
* @param string $search String being searched for
* @param integer $offset Optional, specifies the position from which the search should be performed
*
* @return mixed Number of characters before the first match or FALSE on failure
*
* @see http://www.php.net/strpos
* @since 11.1
*/
public static function strpos($str, $search, $offset = false)
{
if ($offset === false)
{
return utf8_strpos($str, $search);
}
else
{
return utf8_strpos($str, $search, $offset);
}
}
/**
* UTF-8 aware alternative to strrpos
* Finds position of last occurrence of a string
*
* @param string $str String being examined.
* @param string $search String being searched for.
* @param integer $offset Offset from the left of the string.
*
* @return mixed Number of characters before the last match or false on failure
*
* @see http://www.php.net/strrpos
* @since 11.1
*/
public static function strrpos($str, $search, $offset = 0)
{
return utf8_strrpos($str, $search, $offset);
}
/**
* UTF-8 aware alternative to substr
* Return part of a string given character offset (and optionally length)
*
* @param string $str String being processed
* @param integer $offset Number of UTF-8 characters offset (from left)
* @param integer $length Optional length in UTF-8 characters from offset
*
* @return mixed string or FALSE if failure
*
* @see http://www.php.net/substr
* @since 11.1
*/
public static function substr($str, $offset, $length = false)
{
if ($length === false)
{
return utf8_substr($str, $offset);
}
else
{
return utf8_substr($str, $offset, $length);
}
}
/**
* UTF-8 aware alternative to strtlower
*
* Make a string lowercase
* Note: The concept of a characters "case" only exists is some alphabets
* such as Latin, Greek, Cyrillic, Armenian and archaic Georgian - it does
* not exist in the Chinese alphabet, for example. See Unicode Standard
* Annex #21: Case Mappings
*
* @param string $str String being processed
*
* @return mixed Either string in lowercase or FALSE is UTF-8 invalid
*
* @see http://www.php.net/strtolower
* @since 11.1
*/
public static function strtolower($str)
{
return utf8_strtolower($str);
}
/**
* UTF-8 aware alternative to strtoupper
* Make a string uppercase
* Note: The concept of a characters "case" only exists is some alphabets
* such as Latin, Greek, Cyrillic, Armenian and archaic Georgian - it does
* not exist in the Chinese alphabet, for example. See Unicode Standard
* Annex #21: Case Mappings
*
* @param string $str String being processed
*
* @return mixed Either string in uppercase or FALSE is UTF-8 invalid
*
* @see http://www.php.net/strtoupper
* @since 11.1
*/
public static function strtoupper($str)
{
return utf8_strtoupper($str);
}
/**
* UTF-8 aware alternative to strlen.
*
* Returns the number of characters in the string (NOT THE NUMBER OF BYTES),
*
* @param string $str UTF-8 string.
*
* @return integer Number of UTF-8 characters in string.
*
* @see http://www.php.net/strlen
* @since 11.1
*/
public static function strlen($str)
{
return utf8_strlen($str);
}
/**
* UTF-8 aware alternative to str_ireplace
* Case-insensitive version of str_replace
*
* @param string $search String to search
* @param string $replace Existing string to replace
* @param string $str New string to replace with
* @param integer $count Optional count value to be passed by referene
*
* @return string UTF-8 String
*
* @see http://www.php.net/str_ireplace
* @since 11.1
*/
public static function str_ireplace($search, $replace, $str, $count = null)
{
jimport('phputf8.str_ireplace');
if ($count === false)
{
return utf8_ireplace($search, $replace, $str);
}
else
{
return utf8_ireplace($search, $replace, $str, $count);
}
}
/**
* UTF-8 aware alternative to str_split
* Convert a string to an array
*
* @param string $str UTF-8 encoded string to process
* @param integer $split_len Number to characters to split string by
*
* @return array
*
* @see http://www.php.net/str_split
* @since 11.1
*/
public static function str_split($str, $split_len = 1)
{
jimport('phputf8.str_split');
return utf8_str_split($str, $split_len);
}
/**
* UTF-8/LOCALE aware alternative to strcasecmp
* A case insensitive string comparison
*
* @param string $str1 string 1 to compare
* @param string $str2 string 2 to compare
* @param mixed $locale The locale used by strcoll or false to use classical comparison
*
* @return integer < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal.
*
* @see http://www.php.net/strcasecmp
* @see http://www.php.net/strcoll
* @see http://www.php.net/setlocale
* @since 11.1
*/
public static function strcasecmp($str1, $str2, $locale = false)
{
if ($locale)
{
// Get current locale
$locale0 = setlocale(LC_COLLATE, 0);
if (!$locale = setlocale(LC_COLLATE, $locale))
{
$locale = $locale0;
}
// See if we have successfully set locale to UTF-8
if (!stristr($locale, 'UTF-8') && stristr($locale, '_') && preg_match('~\.(\d+)$~', $locale, $m))
{
$encoding = 'CP' . $m[1];
}
elseif (stristr($locale, 'UTF-8'))
{
$encoding = 'UTF-8';
}
else
{
$encoding = 'nonrecodable';
}
// if we successfully set encoding it to utf-8 or encoding is sth weird don't recode
if ($encoding == 'UTF-8' || $encoding == 'nonrecodable')
{
return strcoll(utf8_strtolower($str1), utf8_strtolower($str2));
}
else
{
return strcoll(
self::transcode(utf8_strtolower($str1), 'UTF-8', $encoding),
self::transcode(utf8_strtolower($str2), 'UTF-8', $encoding)
);
}
}
else
{
return utf8_strcasecmp($str1, $str2);
}
}
/**
* UTF-8/LOCALE aware alternative to strcmp
* A case sensitive string comparison
*
* @param string $str1 string 1 to compare
* @param string $str2 string 2 to compare
* @param mixed $locale The locale used by strcoll or false to use classical comparison
*
* @return integer < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal.
*
* @see http://www.php.net/strcmp
* @see http://www.php.net/strcoll
* @see http://www.php.net/setlocale
* @since 11.1
*/
public static function strcmp($str1, $str2, $locale = false)
{
if ($locale)
{
// Get current locale
$locale0 = setlocale(LC_COLLATE, 0);
if (!$locale = setlocale(LC_COLLATE, $locale))
{
$locale = $locale0;
}
// See if we have successfully set locale to UTF-8
if (!stristr($locale, 'UTF-8') && stristr($locale, '_') && preg_match('~\.(\d+)$~', $locale, $m))
{
$encoding = 'CP' . $m[1];
}
elseif (stristr($locale, 'UTF-8'))
{
$encoding = 'UTF-8';
}
else
{
$encoding = 'nonrecodable';
}
// If we successfully set encoding it to utf-8 or encoding is sth weird don't recode
if ($encoding == 'UTF-8' || $encoding == 'nonrecodable')
{
return strcoll($str1, $str2);
}
else
{
return strcoll(self::transcode($str1, 'UTF-8', $encoding), self::transcode($str2, 'UTF-8', $encoding));
}
}
else
{
return strcmp($str1, $str2);
}
}
/**
* UTF-8 aware alternative to strcspn
* Find length of initial segment not matching mask
*
* @param string $str The string to process
* @param string $mask The mask
* @param integer $start Optional starting character position (in characters)
* @param integer $length Optional length
*
* @return integer The length of the initial segment of str1 which does not contain any of the characters in str2
*
* @see http://www.php.net/strcspn
* @since 11.1
*/
public static function strcspn($str, $mask, $start = null, $length = null)
{
jimport('phputf8.strcspn');
if ($start === false && $length === false)
{
return utf8_strcspn($str, $mask);
}
elseif ($length === false)
{
return utf8_strcspn($str, $mask, $start);
}
else
{
return utf8_strcspn($str, $mask, $start, $length);
}
}
/**
* UTF-8 aware alternative to stristr
* Returns all of haystack from the first occurrence of needle to the end.
* needle and haystack are examined in a case-insensitive manner
* Find first occurrence of a string using case insensitive comparison
*
* @param string $str The haystack
* @param string $search The needle
*
* @return string the sub string
*
* @see http://www.php.net/stristr
* @since 11.1
*/
public static function stristr($str, $search)
{
jimport('phputf8.stristr');
return utf8_stristr($str, $search);
}
/**
* UTF-8 aware alternative to strrev
* Reverse a string
*
* @param string $str String to be reversed
*
* @return string The string in reverse character order
*
* @see http://www.php.net/strrev
* @since 11.1
*/
public static function strrev($str)
{
jimport('phputf8.strrev');
return utf8_strrev($str);
}
/**
* UTF-8 aware alternative to strspn
* Find length of initial segment matching mask
*
* @param string $str The haystack
* @param string $mask The mask
* @param integer $start Start optional
* @param integer $length Length optional
*
* @return integer
*
* @see http://www.php.net/strspn
* @since 11.1
*/
public static function strspn($str, $mask, $start = null, $length = null)
{
jimport('phputf8.strspn');
if ($start === null && $length === null)
{
return utf8_strspn($str, $mask);
}
elseif ($length === null)
{
return utf8_strspn($str, $mask, $start);
}
else
{
return utf8_strspn($str, $mask, $start, $length);
}
}
/**
* UTF-8 aware substr_replace
* Replace text within a portion of a string
*
* @param string $str The haystack
* @param string $repl The replacement string
* @param integer $start Start
* @param integer $length Length (optional)
*
* @return string
*
* @see http://www.php.net/substr_replace
* @since 11.1
*/
public static function substr_replace($str, $repl, $start, $length = null)
{
// loaded by library loader
if ($length === false)
{
return utf8_substr_replace($str, $repl, $start);
}
else
{
return utf8_substr_replace($str, $repl, $start, $length);
}
}
/**
* UTF-8 aware replacement for ltrim()
*
* Strip whitespace (or other characters) from the beginning of a string
* You only need to use this if you are supplying the charlist
* optional arg and it contains UTF-8 characters. Otherwise ltrim will
* work normally on a UTF-8 string
*
* @param string $str The string to be trimmed
* @param string $charlist The optional charlist of additional characters to trim
*
* @return string The trimmed string
*
* @see http://www.php.net/ltrim
* @since 11.1
*/
public static function ltrim($str, $charlist = false)
{
if (empty($charlist) && $charlist !== false)
{
return $str;
}
jimport('phputf8.trim');
if ($charlist === false)
{
return utf8_ltrim($str);
}
else
{
return utf8_ltrim($str, $charlist);
}
}
/**
* UTF-8 aware replacement for rtrim()
* Strip whitespace (or other characters) from the end of a string
* You only need to use this if you are supplying the charlist
* optional arg and it contains UTF-8 characters. Otherwise rtrim will
* work normally on a UTF-8 string
*
* @param string $str The string to be trimmed
* @param string $charlist The optional charlist of additional characters to trim
*
* @return string The trimmed string
*
* @see http://www.php.net/rtrim
* @since 11.1
*/
public static function rtrim($str, $charlist = false)
{
if (empty($charlist) && $charlist !== false)
{
return $str;
}
jimport('phputf8.trim');
if ($charlist === false)
{
return utf8_rtrim($str);
}
else
{
return utf8_rtrim($str, $charlist);
}
}
/**
* UTF-8 aware replacement for trim()
* Strip whitespace (or other characters) from the beginning and end of a string
* Note: you only need to use this if you are supplying the charlist
* optional arg and it contains UTF-8 characters. Otherwise trim will
* work normally on a UTF-8 string
*
* @param string $str The string to be trimmed
* @param string $charlist The optional charlist of additional characters to trim
*
* @return string The trimmed string
*
* @see http://www.php.net/trim
* @since 11.1
*/
public static function trim($str, $charlist = false)
{
if (empty($charlist) && $charlist !== false)
{
return $str;
}
jimport('phputf8.trim');
if ($charlist === false)
{
return utf8_trim($str);
}
else
{
return utf8_trim($str, $charlist);
}
}
/**
* UTF-8 aware alternative to ucfirst
* Make a string's first character uppercase or all words' first character uppercase
*
* @param string $str String to be processed
* @param string $delimiter The words delimiter (null means do not split the string)
* @param string $newDelimiter The new words delimiter (null means equal to $delimiter)
*
* @return string If $delimiter is null, return the string with first character as upper case (if applicable)
* else consider the string of words separated by the delimiter, apply the ucfirst to each words
* and return the string with the new delimiter
*
* @see http://www.php.net/ucfirst
* @since 11.1
*/
public static function ucfirst($str, $delimiter = null, $newDelimiter = null)
{
jimport('phputf8.ucfirst');
if ($delimiter === null)
{
return utf8_ucfirst($str);
}
else
{
if ($newDelimiter === null)
{
$newDelimiter = $delimiter;
}
return implode($newDelimiter, array_map('utf8_ucfirst', explode($delimiter, $str)));
}
}
/**
* UTF-8 aware alternative to ucwords
* Uppercase the first character of each word in a string
*
* @param string $str String to be processed
*
* @return string String with first char of each word uppercase
*
* @see http://www.php.net/ucwords
* @since 11.1
*/
public static function ucwords($str)
{
jimport('phputf8.ucwords');
return utf8_ucwords($str);
}
/**
* Catch an error and throw an exception.
*
* @param integer $number Error level
* @param string $message Error message
*
* @return void
*
* @link https://bugs.php.net/bug.php?id=48147
*
* @throw ErrorException
*/
private static function _iconvErrorHandler($number, $message)
{
throw new ErrorException($message, 0, $number);
}
/**
* Transcode a string.
*
* @param string $source The string to transcode.
* @param string $from_encoding The source encoding.
* @param string $to_encoding The target encoding.
*
* @return mixed The transcoded string, or null if the source was not a string.
*
* @link https://bugs.php.net/bug.php?id=48147
*
* @since 11.1
*/
public static function transcode($source, $from_encoding, $to_encoding)
{
if (is_string($source))
{
set_error_handler(array(__CLASS__, '_iconvErrorHandler'), E_NOTICE);
try
{
/*
* "//TRANSLIT//IGNORE" is appended to the $to_encoding to ensure that when iconv comes
* across a character that cannot be represented in the target charset, it can
* be approximated through one or several similarly looking characters or ignored.
*/
$iconv = iconv($from_encoding, $to_encoding . '//TRANSLIT//IGNORE', $source);
}
catch (ErrorException $e)
{
/*
* "//IGNORE" is appended to the $to_encoding to ensure that when iconv comes
* across a character that cannot be represented in the target charset, it is ignored.
*/
$iconv = iconv($from_encoding, $to_encoding . '//IGNORE', $source);
}
restore_error_handler();
return $iconv;
}
return null;
}
/**
* Tests a string as to whether it's valid UTF-8 and supported by the Unicode standard.
*
* Note: this function has been modified to simple return true or false.
*
* @param string $str UTF-8 encoded string.
*
* @return boolean true if valid
*
* @author <hsivonen@iki.fi>
* @see http://hsivonen.iki.fi/php-utf8/
* @see compliant
* @since 11.1
*/
public static function valid($str)
{
// Cached expected number of octets after the current octet
// until the beginning of the next UTF8 character sequence
$mState = 0;
// Cached Unicode character
$mUcs4 = 0;
// Cached expected number of octets in the current sequence
$mBytes = 1;
$len = strlen($str);
for ($i = 0; $i < $len; $i++)
{
$in = ord($str{$i});
if ($mState == 0)
{
// When mState is zero we expect either a US-ASCII character or a
// multi-octet sequence.
if (0 == (0x80 & ($in)))
{
// US-ASCII, pass straight through.
$mBytes = 1;
}
elseif (0xC0 == (0xE0 & ($in)))
{
// First octet of 2 octet sequence
$mUcs4 = ($in);
$mUcs4 = ($mUcs4 & 0x1F) << 6;
$mState = 1;
$mBytes = 2;
}
elseif (0xE0 == (0xF0 & ($in)))
{
// First octet of 3 octet sequence
$mUcs4 = ($in);
$mUcs4 = ($mUcs4 & 0x0F) << 12;
$mState = 2;
$mBytes = 3;
}
elseif (0xF0 == (0xF8 & ($in)))
{
// First octet of 4 octet sequence
$mUcs4 = ($in);
$mUcs4 = ($mUcs4 & 0x07) << 18;
$mState = 3;
$mBytes = 4;
}
elseif (0xF8 == (0xFC & ($in)))
{
/* First octet of 5 octet sequence.
*
* This is illegal because the encoded codepoint must be either
* (a) not the shortest form or
* (b) outside the Unicode range of 0-0x10FFFF.
* Rather than trying to resynchronize, we will carry on until the end
* of the sequence and let the later error handling code catch it.
*/
$mUcs4 = ($in);
$mUcs4 = ($mUcs4 & 0x03) << 24;
$mState = 4;
$mBytes = 5;
}
elseif (0xFC == (0xFE & ($in)))
{
// First octet of 6 octet sequence, see comments for 5 octet sequence.
$mUcs4 = ($in);
$mUcs4 = ($mUcs4 & 1) << 30;
$mState = 5;
$mBytes = 6;
}
else
{
/* Current octet is neither in the US-ASCII range nor a legal first
* octet of a multi-octet sequence.
*/
return false;
}
}
else
{
// When mState is non-zero, we expect a continuation of the multi-octet
// sequence
if (0x80 == (0xC0 & ($in)))
{
// Legal continuation.
$shift = ($mState - 1) * 6;
$tmp = $in;
$tmp = ($tmp & 0x0000003F) << $shift;
$mUcs4 |= $tmp;
/**
* End of the multi-octet sequence. mUcs4 now contains the final
* Unicode codepoint to be output
*/
if (0 == --$mState)
{
/*
* Check for illegal sequences and codepoints.
*/
// From Unicode 3.1, non-shortest form is illegal
if (((2 == $mBytes) && ($mUcs4 < 0x0080)) || ((3 == $mBytes) && ($mUcs4 < 0x0800)) || ((4 == $mBytes) && ($mUcs4 < 0x10000))
|| (4 < $mBytes)
|| (($mUcs4 & 0xFFFFF800) == 0xD800) // From Unicode 3.2, surrogate characters are illegal
|| ($mUcs4 > 0x10FFFF)) // Codepoints outside the Unicode range are illegal
{
return false;
}
// Initialize UTF8 cache.
$mState = 0;
$mUcs4 = 0;
$mBytes = 1;
}
}
else
{
/**
*((0xC0 & (*in) != 0x80) && (mState != 0))
* Incomplete multi-octet sequence.
*/
return false;
}
}
}
return true;
}
/**
* Tests whether a string complies as UTF-8. This will be much
* faster than utf8_is_valid but will pass five and six octet
* UTF-8 sequences, which are not supported by Unicode and
* so cannot be displayed correctly in a browser. In other words
* it is not as strict as utf8_is_valid but it's faster. If you use
* it to validate user input, you place yourself at the risk that
* attackers will be able to inject 5 and 6 byte sequences (which
* may or may not be a significant risk, depending on what you are
* are doing)
*
* @param string $str UTF-8 string to check
*
* @return boolean TRUE if string is valid UTF-8
*
* @see valid
* @see http://www.php.net/manual/en/reference.pcre.pattern.modifiers.php#54805
* @since 11.1
*/
public static function compliant($str)
{
if (strlen($str) == 0)
{
return true;
}
// If even just the first character can be matched, when the /u
// modifier is used, then it's valid UTF-8. If the UTF-8 is somehow
// invalid, nothing at all will match, even if the string contains
// some valid sequences
return (preg_match('/^.{1}/us', $str, $ar) == 1);
}
/**
* Does a UTF-8 safe version of PHP parse_url function
*
* @param string $url URL to parse
*
* @return mixed Associative array or false if badly formed URL.
*
* @see http://us3.php.net/manual/en/function.parse-url.php
* @since 11.1
*/
public static function parse_url($url)
{
$result = array();
// Build arrays of values we need to decode before parsing
$entities = array('%21', '%2A', '%27', '%28', '%29', '%3B', '%3A', '%40', '%26', '%3D', '%24', '%2C', '%2F', '%3F', '%25', '%23', '%5B',
'%5D');
$replacements = array('!', '*', "'", "(", ")", ";", ":", "@", "&", "=", "$", ",", "/", "?", "%", "#", "[", "]");
// Create encoded URL with special URL characters decoded so it can be parsed
// All other characters will be encoded
$encodedURL = str_replace($entities, $replacements, urlencode($url));
// Parse the encoded URL
$encodedParts = parse_url($encodedURL);
// Now, decode each value of the resulting array
foreach ($encodedParts as $key => $value)
{
$result[$key] = urldecode($value);
}
return $result;
}
}
