lnmp环境访问index.php出错

1367609249

使用一键包自动安装LNMP，部署php项目代码出现错误，访问index.php出现如图片所示错误，访问phpinfo.php能正常显示php的版本信息
附上index.php代码如下，请各位大神指导，是nginx配置出了问题，或者是php配置出了问题，还是php代码本身出现了问题呢


<?php

/*
*---------------------------------------------------------------
* APPLICATION ENVIRONMENT
*---------------------------------------------------------------
*
* You can load different configurations depending on your
* current environment. Setting the environment also influences
* things like logging and error reporting.
*
* This can be set to anything, but default usage is:
*
*     development
*     testing
*     production
*
* NOTE: If you change these, also change the error_reporting() code below
*
*/
        define('DS',DIRECTORY_SEPARATOR); //定义跟运行平台相关的路径符
        date_default_timezone_set('PRC');
        define('ENVIRONMENT', 'production');
/*
*---------------------------------------------------------------
* ERROR REPORTING
*---------------------------------------------------------------
*
* Different environments will require different levels of error reporting.
* By default development will show errors but testing and live will hide them.
*/

if (defined('ENVIRONMENT'))
{
        switch (ENVIRONMENT)
        {
                case 'development':
                        error_reporting(E_ALL);
                break;
        
                case 'testing':
                case 'production':
                        error_reporting(0);
                break;

                default:
                        exit('The application environment is not set correctly.');
        }
}

/*
*---------------------------------------------------------------
* SYSTEM FOLDER NAME
*---------------------------------------------------------------
*
* This variable must contain the name of your "system" folder.
* Include the path if the folder is not in the same  directory
* as this file.
*
*/
        $system_path = '../system';

/*
*---------------------------------------------------------------
* APPLICATION FOLDER NAME
*---------------------------------------------------------------
*
* If you want this front controller to use a different "application"
* folder then the default one you can set its name here. The folder
* can also be renamed or relocated anywhere on your server.  If
* you do, use a full server path. For more info please see the user guide:
* http://codeigniter.com/user_guide/general/managing_apps.html
*
* NO TRAILING SLASH!
*
*/
        $application_folder = '../frontend';

/*
* --------------------------------------------------------------------
* DEFAULT CONTROLLER
* --------------------------------------------------------------------
*
* Normally you will set your default controller in the routes.php file.
* You can, however, force a custom routing by hard-coding a
* specific controller class/function here.  For most applications, you
* WILL NOT set your routing here, but it's an option for those
* special instances where you might want to override the standard
* routing in a specific front controller that shares a common CI installation.
*
* IMPORTANT:  If you set the routing here, NO OTHER controller will be
* callable. In essence, this preference limits your application to ONE
* specific controller.  Leave the function name blank if you need
* to call functions dynamically via the URI.
*
* Un-comment the $routing array below to use this feature
*
*/
        // The directory name, relative to the "controllers" folder.  Leave blank
        // if your controller is not in a sub-folder within the "controllers" folder
        // $routing['directory'] = '';

        // The controller class file name.  Example:  Mycontroller
        // $routing['controller'] = '';

        // The controller function you wish to be called.
        // $routing['function']        = '';


/*
* -------------------------------------------------------------------
*  CUSTOM CONFIG VALUES
* -------------------------------------------------------------------
*
* The $assign_to_config array below will be passed dynamically to the
* config class when initialized. This allows you to set custom config
* items or override any default config values found in the config.php file.
* This can be handy as it permits you to share one application between
* multiple front controller files, with each file containing different
* config values.
*
* Un-comment the $assign_to_config array below to use this feature
*
*/
        // $assign_to_config['name_of_config_item'] = 'value of config item';



// --------------------------------------------------------------------
// END OF USER CONFIGURABLE SETTINGS.  DO NOT EDIT BELOW THIS LINE
// --------------------------------------------------------------------

/*
* ---------------------------------------------------------------
*  Resolve the system path for increased reliability
* ---------------------------------------------------------------
*/
        // Set the current directory correctly for CLI requests
        if (defined('STDIN'))
        {
                chdir(dirname(__FILE__));
        }
        if (realpath($system_path) !== FALSE)
        {
                $system_path = realpath($system_path).'/';
        }

        // ensure there's a trailing slash
        $system_path = rtrim($system_path, '/').'/';

        // Is the system path correct?
        if ( ! is_dir($system_path))
        {
                exit("Your system folder path does not appear to be set correctly. Please open the following file and correct this: ".pathinfo(__FILE__, PATHINFO_BASENAME));
        }

/*
* -------------------------------------------------------------------
*  Now that we know the path, set the main path constants
* -------------------------------------------------------------------
*/
        // The name of THIS file
        define('SELF', pathinfo(__FILE__, PATHINFO_BASENAME));

        // The PHP file extension
        // this global constant is deprecated.
        define('EXT', '.php');

        // Path to the system folder
        define('BASEPATH', str_replace("\\", "/", $system_path));

        // Path to the front controller (this file)
        define('FCPATH', str_replace(SELF, '', __FILE__));

        // Name of the "system folder"
        define('SYSDIR', trim(strrchr(trim(BASEPATH, '/'), '/'), '/'));


        // The path to the "application" folder
        if (is_dir($application_folder))
        {
                define('APPPATH', $application_folder.'/');
        }
        else
        {
                if ( ! is_dir(BASEPATH.$application_folder.'/'))
                {
                        exit("Your application folder path does not appear to be set correctly. Please open the following file and correct this: ".SELF);
                }

                define('APPPATH', BASEPATH.$application_folder.'/');
        }

/*
* --------------------------------------------------------------------
* LOAD THE BOOTSTRAP FILE
* --------------------------------------------------------------------
*
* And away we go...
*
*/
require_once BASEPATH.'core/CodeIgniter.php';

/* End of file index.php */
/* Location: ./index.php */

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