298 lines
9.3 KiB
PHP
298 lines
9.3 KiB
PHP
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<?php
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/**
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* Yii Requirement Checker script
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*
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* This script will check if your system meets the requirements for running
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* Yii-powered Web applications.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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* @package system
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* @since 1.0
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*/
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/**
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* @var array List of requirements (name, required or not, result, used by, memo)
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*/
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$requirements=array(
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array(
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t('yii','PHP version'),
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true,
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version_compare(PHP_VERSION,"5.1.0",">="),
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'<a href="http://www.yiiframework.com">Yii Framework</a>',
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t('yii','PHP 5.1.0 or higher is required.')),
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array(
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t('yii','$_SERVER variable'),
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true,
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'' === $message=checkServerVar(),
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'<a href="http://www.yiiframework.com">Yii Framework</a>',
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$message),
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array(
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t('yii','Reflection extension'),
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true,
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class_exists('Reflection',false),
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'<a href="http://www.yiiframework.com">Yii Framework</a>',
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''),
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array(
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t('yii','PCRE extension'),
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true,
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extension_loaded("pcre"),
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'<a href="http://www.yiiframework.com">Yii Framework</a>',
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''),
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array(
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t('yii','SPL extension'),
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true,
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extension_loaded("SPL"),
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'<a href="http://www.yiiframework.com">Yii Framework</a>',
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''),
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array(
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t('yii','DOM extension'),
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false,
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class_exists("DOMDocument",false),
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'<a href="http://www.yiiframework.com/doc/api/CHtmlPurifier">CHtmlPurifier</a>, <a href="http://www.yiiframework.com/doc/api/CWsdlGenerator">CWsdlGenerator</a>',
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''),
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array(
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t('yii','PDO extension'),
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false,
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extension_loaded('pdo'),
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t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
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''),
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array(
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t('yii','PDO SQLite extension'),
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false,
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extension_loaded('pdo_sqlite'),
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t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
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t('yii','Required for SQLite database.')),
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array(
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t('yii','PDO MySQL extension'),
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false,
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extension_loaded('pdo_mysql'),
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t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
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t('yii','Required for MySQL database.')),
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array(
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t('yii','PDO PostgreSQL extension'),
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false,
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extension_loaded('pdo_pgsql'),
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t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
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t('yii','Required for PostgreSQL database.')),
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array(
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t('yii','PDO Oracle extension'),
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false,
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extension_loaded('pdo_oci'),
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t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
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t('yii','Required for Oracle database.')),
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array(
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t('yii','PDO MSSQL extension (pdo_mssql)'),
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false,
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extension_loaded('pdo_mssql'),
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t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
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t('yii','Required for MSSQL database from MS Windows')),
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array(
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t('yii','PDO MSSQL extension (pdo_dblib)'),
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false,
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extension_loaded('pdo_dblib'),
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t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
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t('yii','Required for MSSQL database from GNU/Linux or other UNIX.')),
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array(
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t('yii','PDO MSSQL extension (<a href="http://sqlsrvphp.codeplex.com/">pdo_sqlsrv</a>)'),
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false,
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extension_loaded('pdo_sqlsrv'),
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t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
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t('yii','Required for MSSQL database with the driver provided by Microsoft.')),
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array(
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t('yii','Memcache extension'),
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false,
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extension_loaded("memcache") || extension_loaded("memcached"),
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'<a href="http://www.yiiframework.com/doc/api/CMemCache">CMemCache</a>',
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extension_loaded("memcached") ? t('yii', 'To use memcached set <a href="http://www.yiiframework.com/doc/api/CMemCache#useMemcached-detail">CMemCache::useMemcached</a> to <code>true</code>.') : ''),
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array(
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t('yii','APC extension'),
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false,
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extension_loaded("apc"),
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'<a href="http://www.yiiframework.com/doc/api/CApcCache">CApcCache</a>',
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''),
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array(
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t('yii','Mcrypt extension'),
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false,
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extension_loaded("mcrypt"),
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'<a href="http://www.yiiframework.com/doc/api/CSecurityManager">CSecurityManager</a>',
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t('yii','Required by encrypt and decrypt methods.')),
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array(
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t('yii','SOAP extension'),
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false,
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extension_loaded("soap"),
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'<a href="http://www.yiiframework.com/doc/api/CWebService">CWebService</a>, <a href="http://www.yiiframework.com/doc/api/CWebServiceAction">CWebServiceAction</a>',
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''),
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array(
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t('yii','GD extension with<br />FreeType support<br />or ImageMagick<br />extension with<br />PNG support'),
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false,
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'' === $message=checkCaptchaSupport(),
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'<a href="http://www.yiiframework.com/doc/api/CCaptchaAction">CCaptchaAction</a>',
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$message),
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array(
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t('yii','Ctype extension'),
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false,
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extension_loaded("ctype"),
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'<a href="http://www.yiiframework.com/doc/api/CDateFormatter">CDateFormatter</a>, <a href="http://www.yiiframework.com/doc/api/CDateFormatter">CDateTimeParser</a>, <a href="http://www.yiiframework.com/doc/api/CTextHighlighter">CTextHighlighter</a>, <a href="http://www.yiiframework.com/doc/api/CHtmlPurifier">CHtmlPurifier</a>',
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''
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),
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array(
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t('yii','Fileinfo extension'),
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false,
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extension_loaded("fileinfo"),
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'<a href="http://www.yiiframework.com/doc/api/CFileValidator">CFileValidator</a>',
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t('yii','Required for MIME-type validation')
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),
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);
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function checkServerVar()
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{
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$vars=array('HTTP_HOST','SERVER_NAME','SERVER_PORT','SCRIPT_NAME','SCRIPT_FILENAME','PHP_SELF','HTTP_ACCEPT','HTTP_USER_AGENT');
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$missing=array();
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foreach($vars as $var)
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{
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if(!isset($_SERVER[$var]))
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$missing[]=$var;
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}
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if(!empty($missing))
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return t('yii','$_SERVER does not have {vars}.',array('{vars}'=>implode(', ',$missing)));
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if(realpath($_SERVER["SCRIPT_FILENAME"]) !== realpath(__FILE__))
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return t('yii','$_SERVER["SCRIPT_FILENAME"] must be the same as the entry script file path.');
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if(!isset($_SERVER["REQUEST_URI"]) && isset($_SERVER["QUERY_STRING"]))
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return t('yii','Either $_SERVER["REQUEST_URI"] or $_SERVER["QUERY_STRING"] must exist.');
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if(!isset($_SERVER["PATH_INFO"]) && strpos($_SERVER["PHP_SELF"],$_SERVER["SCRIPT_NAME"]) !== 0)
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return t('yii','Unable to determine URL path info. Please make sure $_SERVER["PATH_INFO"] (or $_SERVER["PHP_SELF"] and $_SERVER["SCRIPT_NAME"]) contains proper value.');
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return '';
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}
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function checkCaptchaSupport()
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{
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if(extension_loaded('imagick'))
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{
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$imagick=new Imagick();
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$imagickFormats=$imagick->queryFormats('PNG');
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}
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if(extension_loaded('gd'))
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$gdInfo=gd_info();
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if(isset($imagickFormats) && in_array('PNG',$imagickFormats))
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return '';
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elseif(isset($gdInfo))
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{
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if($gdInfo['FreeType Support'])
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return '';
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return t('yii','GD installed,<br />FreeType support not installed');
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}
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return t('yii','GD or ImageMagick not installed');
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}
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function getYiiVersion()
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{
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$coreFile=dirname(__FILE__).'/../framework/YiiBase.php';
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if(is_file($coreFile))
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{
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$contents=file_get_contents($coreFile);
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$matches=array();
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if(preg_match('/public static function getVersion.*?return \'(.*?)\'/ms',$contents,$matches) > 0)
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return $matches[1];
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}
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return '';
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}
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/**
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* Returns a localized message according to user preferred language.
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* @param string message category
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* @param string message to be translated
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* @param array parameters to be applied to the translated message
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* @return string translated message
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*/
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function t($category,$message,$params=array())
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{
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static $messages;
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if($messages === null)
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{
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$messages=array();
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if(($lang=getPreferredLanguage()) !== false)
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{
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$file=dirname(__FILE__)."/messages/$lang/yii.php";
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if(is_file($file))
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$messages=include($file);
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}
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}
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if(empty($message))
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return $message;
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if(isset($messages[$message]) && $messages[$message] !== '')
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$message=$messages[$message];
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return $params !== array() ? strtr($message,$params) : $message;
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}
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function getPreferredLanguage()
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{
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if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) && ($n=preg_match_all('/([\w\-]+)\s*(;\s*q\s*=\s*(\d*\.\d*))?/',$_SERVER['HTTP_ACCEPT_LANGUAGE'],$matches)) > 0)
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{
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$languages=array();
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for($i=0; $i < $n; ++$i)
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$languages[$matches[1][$i]]=empty($matches[3][$i]) ? 1.0 : floatval($matches[3][$i]);
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arsort($languages);
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foreach($languages as $language=>$pref)
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{
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$lang=strtolower(str_replace('-','_',$language));
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if (preg_match("/^en\_?/", $lang))
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return false;
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if (!is_file($viewFile=dirname(__FILE__)."/views/$lang/index.php"))
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$lang=false;
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else
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break;
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}
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return $lang;
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}
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return false;
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}
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function getServerInfo()
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{
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$info[]=isset($_SERVER['SERVER_SOFTWARE']) ? $_SERVER['SERVER_SOFTWARE'] : '';
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$info[]='<a href="http://www.yiiframework.com/">Yii Framework</a>/'.getYiiVersion();
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$info[]=@strftime('%Y-%m-%d %H:%M',time());
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return implode(' ',$info);
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}
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function renderFile($_file_,$_params_=array())
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{
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extract($_params_);
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require($_file_);
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}
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$result=1; // 1: all pass, 0: fail, -1: pass with warnings
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foreach($requirements as $i=>$requirement)
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{
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if($requirement[1] && !$requirement[2])
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$result=0;
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else if($result > 0 && !$requirement[1] && !$requirement[2])
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$result=-1;
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if($requirement[4] === '')
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$requirements[$i][4]=' ';
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}
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$lang=getPreferredLanguage();
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$viewFile=dirname(__FILE__)."/views/$lang/index.php";
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if(!is_file($viewFile))
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$viewFile=dirname(__FILE__).'/views/index.php';
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renderFile($viewFile,array(
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'requirements'=>$requirements,
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'result'=>$result,
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'serverInfo'=>getServerInfo()));
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