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<?php |
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/** |
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* I18N Utility file. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the BSD License. |
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* |
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* Copyright(c) 2004 by Wei Zhuo. All rights reserved. |
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* |
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* To contact the author write to <weizhuo[at]gmail[dot]com> |
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* The latest version of PRADO can be obtained from: |
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* {@link http://prado.sourceforge.net/} |
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* |
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* @author Wei Zhuo <weizhuo[at]gmail[dot]com> |
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* @version $Revision: 1.3 $ $Date: 2005/08/27 03:21:12 $ |
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* @package System.I18N.core |
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*/ |
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/** |
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* For a given DSN (database connection string), return some information |
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* about the DSN. This function comes from PEAR's DB package. |
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* |
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* LICENSE: This source file is subject to version 3.0 of the PHP license |
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* that is available through the world-wide-web at the following URI: |
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of |
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* the PHP License and are unable to obtain it through the web, please |
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* send a note to [email protected] so we can mail you a copy immediately. |
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* |
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* @param string DSN format, similar to PEAR's DB |
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* @return array DSN information. |
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* @author Stig Bakken <[email protected]> |
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* @author Tomas V.V.Cox <[email protected]> |
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* @author Daniel Convissor <[email protected]> |
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* @copyright 1997-2005 The PHP Group |
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* @license http://www.php.net/license/3_0.txt PHP License 3.0 |
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* @link http://pear.php.net/package/DB |
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*/ |
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function parseDSN($dsn) |
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{ |
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if (is_array($dsn)) { |
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return $dsn; |
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} |
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$parsed = array( |
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'phptype' => false, |
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'dbsyntax' => false, |
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'username' => false, |
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'password' => false, |
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'protocol' => false, |
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'hostspec' => false, |
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'port' => false, |
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'socket' => false, |
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'database' => false |
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); |
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// Find phptype and dbsyntax |
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if (($pos = strpos($dsn, '://')) !== false) { |
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$str = substr($dsn, 0, $pos); |
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$dsn = substr($dsn, $pos + 3); |
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} else { |
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$str = $dsn; |
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$dsn = null; |
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} |
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// Get phptype and dbsyntax |
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// $str => phptype(dbsyntax) |
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if (preg_match('|^(.+?)\((.*?)\)$|', $str, $arr)) { |
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$parsed['phptype'] = $arr[1]; |
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$parsed['dbsyntax'] = (empty($arr[2])) ? $arr[1] : $arr[2]; |
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} else { |
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$parsed['phptype'] = $str; |
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$parsed['dbsyntax'] = $str; |
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} |
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if (empty($dsn)) { |
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return $parsed; |
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} |
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// Get (if found): username and password |
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// $dsn => username:password@protocol+hostspec/database |
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if (($at = strrpos($dsn,'@')) !== false) { |
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$str = substr($dsn, 0, $at); |
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$dsn = substr($dsn, $at + 1); |
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if (($pos = strpos($str, ':')) !== false) { |
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$parsed['username'] = rawurldecode(substr($str, 0, $pos)); |
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$parsed['password'] = rawurldecode(substr($str, $pos + 1)); |
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} else { |
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$parsed['username'] = rawurldecode($str); |
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} |
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} |
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// Find protocol and hostspec |
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// $dsn => proto(proto_opts)/database |
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if (preg_match('|^([^(]+)\((.*?)\)/?(.*?)$|', $dsn, $match)) { |
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$proto = $match[1]; |
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$proto_opts = (!empty($match[2])) ? $match[2] : false; |
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$dsn = $match[3]; |
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// $dsn => protocol+hostspec/database (old format) |
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} else { |
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if (strpos($dsn, '+') !== false) { |
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list($proto, $dsn) = explode('+', $dsn, 2); |
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} |
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if (strpos($dsn, '/') !== false) { |
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list($proto_opts, $dsn) = explode('/', $dsn, 2); |
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} else { |
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$proto_opts = $dsn; |
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$dsn = null; |
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} |
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} |
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// process the different protocol options |
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$parsed['protocol'] = (!empty($proto)) ? $proto : 'tcp'; |
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$proto_opts = rawurldecode($proto_opts); |
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if ($parsed['protocol'] == 'tcp') { |
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if (strpos($proto_opts, ':') !== false) { |
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list($parsed['hostspec'], $parsed['port']) = explode(':', $proto_opts); |
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} else { |
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$parsed['hostspec'] = $proto_opts; |
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} |
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} elseif ($parsed['protocol'] == 'unix') { |
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$parsed['socket'] = $proto_opts; |
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} |
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// Get dabase if any |
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// $dsn => database |
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if (!empty($dsn)) { |
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// /database |
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if (($pos = strpos($dsn, '?')) === false) { |
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$parsed['database'] = $dsn; |
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// /database?param1=value1¶m2=value2 |
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} else { |
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$parsed['database'] = substr($dsn, 0, $pos); |
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$dsn = substr($dsn, $pos + 1); |
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if (strpos($dsn, '&') !== false) { |
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$opts = explode('&', $dsn); |
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} else { // database?param1=value1 |
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$opts = array($dsn); |
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} |
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foreach ($opts as $opt) { |
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list($key, $value) = explode('=', $opt); |
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if (!isset($parsed[$key])) { // don't allow params overwrite |
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$parsed[$key] = rawurldecode($value); |
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} |
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} |
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} |
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} |
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return $parsed; |
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} |
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/** |
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* Convert strings to UTF-8 via iconv. NB, the result may not by UTF-8 |
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* if the conversion failed. |
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* @param string string to convert to UTF-8 |
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* @return string UTF-8 encoded string, original string if iconv failed. |
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*/ |
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function I18N_toUTF8($string, $from) |
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{ |
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if($from != 'UTF-8') |
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{ |
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$s = iconv($from,'UTF-8',$string); //to UTF-8 |
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return $s !== false ? $s : $string; //it could return false |
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} |
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return $string; |
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} |
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/** |
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* Convert UTF-8 strings to a different encoding. NB. The result |
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* may not have been encoded if iconv fails. |
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* @param string the UTF-8 string for conversion |
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* @return string encoded string. |
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*/ |
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function I18N_toEncoding($string, $to) |
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{ |
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if($to != 'UTF-8') |
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{ |
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$s = iconv('UTF-8', $to, $string); |
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return $s !== false ? $s : $string; |
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} |
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return $string; |
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} |
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pradosoft /
prado
