/yii/requirements/index.php
PHP | 231 lines | 186 code | 21 blank | 24 comment | 26 complexity | 8d28b6e1db76cb7247c6d1a589f2a44d MD5 | raw file
Possible License(s): BSD-2-Clause, BSD-3-Clause, LGPL-2.1
- <?php
- /**
- * Yii Requirement Checker script
- *
- * This script will check if your system meets the requirements for running
- * Yii-powered Web applications.
- *
- * @author Qiang Xue <qiang.xue@gmail.com>
- * @link http://www.yiiframework.com/
- * @copyright Copyright © 2008-2010 Yii Software LLC
- * @license http://www.yiiframework.com/license/
- * @version $Id: index.php 1678 2010-01-07 21:02:00Z qiang.xue $
- * @package system
- * @since 1.0
- */
- /**
- * @var array List of requirements (name, required or not, result, used by, memo)
- */
- $requirements = array(
- array(
- t('yii','PHP version'),
- true,
- version_compare(PHP_VERSION,"5.1.0",">="),
- '<a href="http://www.yiiframework.com">Yii Framework</a>',
- t('yii','PHP 5.1.0 or higher is required.')),
- array(
- t('yii','$_SERVER variable'),
- true,
- ($message=checkServerVar())==='',
- '<a href="http://www.yiiframework.com">Yii Framework</a>',
- $message),
- array(
- t('yii','Reflection extension'),
- true,
- class_exists('Reflection',false),
- '<a href="http://www.yiiframework.com">Yii Framework</a>',
- ''),
- array(
- t('yii','PCRE extension'),
- true,
- extension_loaded("pcre"),
- '<a href="http://www.yiiframework.com">Yii Framework</a>',
- ''),
- array(
- t('yii','SPL extension'),
- true,
- extension_loaded("SPL"),
- '<a href="http://www.yiiframework.com">Yii Framework</a>',
- ''),
- array(
- t('yii','DOM extension'),
- false,
- class_exists("DOMDocument",false),
- '<a href="http://www.yiiframework.com/doc/api/CWsdlGenerator">CWsdlGenerator</a>',
- ''),
- array(
- t('yii','PDO extension'),
- false,
- extension_loaded('pdo'),
- t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
- ''),
- array(
- t('yii','PDO SQLite extension'),
- false,
- extension_loaded('pdo_sqlite'),
- t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
- t('yii','This is required if you are using SQLite database.')),
- array(
- t('yii','PDO MySQL extension'),
- false,
- extension_loaded('pdo_mysql'),
- t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
- t('yii','This is required if you are using MySQL database.')),
- array(
- t('yii','PDO PostgreSQL extension'),
- false,
- extension_loaded('pdo_pgsql'),
- t('yii','All <a href="http://www.yiiframework.com/doc/api/#system.db">DB-related classes</a>'),
- t('yii','This is required if you are using PostgreSQL database.')),
- array(
- t('yii','Memcache extension'),
- false,
- extension_loaded("memcache"),
- '<a href="http://www.yiiframework.com/doc/api/CMemCache">CMemCache</a>',
- ''),
- array(
- t('yii','APC extension'),
- false,
- extension_loaded("apc"),
- '<a href="http://www.yiiframework.com/doc/api/CApcCache">CApcCache</a>',
- ''),
- array(
- t('yii','Mcrypt extension'),
- false,
- extension_loaded("mcrypt"),
- '<a href="http://www.yiiframework.com/doc/api/CSecurityManager">CSecurityManager</a>',
- t('yii','This is required by encrypt and decrypt methods.')),
- array(
- t('yii','SOAP extension'),
- false,
- extension_loaded("soap"),
- '<a href="http://www.yiiframework.com/doc/api/CWebService">CWebService</a>, <a href="http://www.yiiframework.com/doc/api/CWebServiceAction">CWebServiceAction</a>',
- ''),
- array(
- t('yii','GD extension'),
- false,
- extension_loaded('gd'),
- '<a href="http://www.yiiframework.com/doc/api/CCaptchaAction">CCaptchaAction</a>',
- ''),
- );
- function checkServerVar()
- {
- $vars=array('HTTP_HOST', 'SERVER_NAME', 'SERVER_PORT', 'SCRIPT_NAME', 'SCRIPT_FILENAME', 'PHP_SELF', 'HTTP_ACCEPT', 'HTTP_USER_AGENT');
- $missing=array();
- foreach($vars as $var)
- {
- if(!isset($_SERVER[$var]))
- $missing[]=$var;
- }
- if(!empty($missing))
- return t('yii','$_SERVER does not have {vars}.',array('{vars}'=>implode(', ',$missing)));
- if(realpath($_SERVER["SCRIPT_FILENAME"])!==realpath(__FILE__))
- return t('yii','$_SERVER["SCRIPT_FILENAME"] must be the same as the entry script file path.');
- if(!isset($_SERVER["REQUEST_URI"]) && isset($_SERVER["QUERY_STRING"]))
- return t('yii','Either $_SERVER["REQUEST_URI"] or $_SERVER["QUERY_STRING"] must exist.');
- if(!isset($_SERVER["PATH_INFO"]) && strpos($_SERVER["PHP_SELF"],$_SERVER["SCRIPT_NAME"])!==0)
- 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.');
- return '';
- }
- function getYiiVersion()
- {
- $coreFile=dirname(__FILE__).'/../framework/YiiBase.php';
- if(is_file($coreFile))
- {
- $contents=file_get_contents($coreFile);
- $matches=array();
- if(preg_match('/public static function getVersion.*?return \'(.*?)\'/ms',$contents,$matches)>0)
- return $matches[1];
- }
- return '';
- }
- /**
- * Returns a localized message according to user preferred language.
- * @param string message category
- * @param string message to be translated
- * @param array parameters to be applied to the translated message
- * @return string translated message
- */
- function t($category,$message,$params=array())
- {
- static $messages;
- if($messages===null)
- {
- $messages=array();
- if(($lang=getPreferredLanguage())!==false)
- {
- $file=dirname(__FILE__)."/messages/$lang/yii.php";
- if(is_file($file))
- $messages=include($file);
- }
- }
- if(empty($message))
- return $message;
- if(isset($messages[$message]) && $messages[$message]!=='')
- $message=$messages[$message];
- return $params!==array() ? strtr($message,$params) : $message;
- }
- function getPreferredLanguage()
- {
- if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) && ($n=preg_match_all('/([\w\-]+)\s*(;\s*q\s*=\s*(\d*\.\d*))?/',$_SERVER['HTTP_ACCEPT_LANGUAGE'],$matches))>0)
- {
- $languages=array();
- for($i=0;$i<$n;++$i)
- $languages[$matches[1][$i]]=empty($matches[3][$i]) ? 1.0 : floatval($matches[3][$i]);
- arsort($languages);
- foreach($languages as $language=>$pref)
- return strtolower(str_replace('-','_',$language));
- }
- return false;
- }
- function getServerInfo()
- {
- $info[]=isset($_SERVER['SERVER_SOFTWARE']) ? $_SERVER['SERVER_SOFTWARE'] : '';
- $info[]='<a href="http://www.yiiframework.com/">Yii Framework</a>/'.getYiiVersion();
- $info[]=@strftime('%Y-%m-%d %H:%M',time());
- return implode(' ',$info);
- }
- function renderFile($_file_,$_params_=array())
- {
- extract($_params_);
- require($_file_);
- }
- $result=1; // 1: all pass, 0: fail, -1: pass with warnings
- foreach($requirements as $i=>$requirement)
- {
- if($requirement[1] && !$requirement[2])
- $result=0;
- else if($result>0 && !$requirement[1] && !$requirement[2])
- $result=-1;
- if($requirement[4]==='')
- $requirements[$i][4]=' ';
- }
- $lang=getPreferredLanguage();
- $viewFile=dirname(__FILE__)."/views/$lang/index.php";
- if(!is_file($viewFile))
- $viewFile=dirname(__FILE__).'/views/index.php';
- renderFile($viewFile,array(
- 'requirements'=>$requirements,
- 'result'=>$result,
- 'serverInfo'=>getServerInfo()));