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CI基本配置

<?phpdefined(‘BASEPATH‘) OR exit(‘No direct script access allowed‘);/*|--------------------------------------------------------------------------| Base Site URL|--------------------------------------------------------------------------*/$config[‘base_url‘]    = ‘http://demo.example.com/‘;/*|--------------------------------------------------------------------------| Index File|--------------------------------------------------------------------------*/$config[‘index_page‘] = ‘index.php‘;/*|--------------------------------------------------------------------------| URL suffix|--------------------------------------------------------------------------|| This option allows you to add a suffix to all URLs generated by CodeIgniter.| For more information please see the user guide:|| http://codeigniter.com/user_guide/general/urls.html*/$config[‘url_suffix‘] = ‘.html‘;/*|--------------------------------------------------------------------------| Default Language|--------------------------------------------------------------------------*/$config[‘language‘]    = ‘english‘;/*|--------------------------------------------------------------------------| Default Character Set|--------------------------------------------------------------------------*/$config[‘charset‘] = ‘UTF-8‘;/*|--------------------------------------------------------------------------| Enable/Disable System Hooks|--------------------------------------------------------------------------|| If you would like to use the ‘hooks‘ feature you must enable it by| setting this variable to TRUE (boolean).  See the user guide for details.|*/$config[‘enable_hooks‘] = TRUE;/*|--------------------------------------------------------------------------| Class Extension Prefix|--------------------------------------------------------------------------|| This item allows you to set the filename/classname prefix when extending| native libraries.  For more information please see the user guide:|| http://codeigniter.com/user_guide/general/core_classes.html| http://codeigniter.com/user_guide/general/creating_libraries.html|*/$config[‘subclass_prefix‘] = ‘MY_‘;/*|--------------------------------------------------------------------------| Error Logging Threshold|--------------------------------------------------------------------------|| If you have enabled error logging, you can set an error threshold to| determine what gets logged. Threshold options are:| You can enable error logging by setting a threshold over zero. The| threshold determines what gets logged. Threshold options are:||    0 = Disables logging, Error logging TURNED OFF|    1 = Error Messages (including PHP errors)|    2 = Debug Messages|    3 = Informational Messages|    4 = All Messages|| You can also pass in a array with threshold levels to show individual error types||     array(2) = Debug Messages, without Error Messages|| For a live site you‘ll usually only enable Errors (1) to be logged otherwise| your log files will fill up very fast.|*/$config[‘log_threshold‘] = 0;/*|--------------------------------------------------------------------------| Error Logging Directory Path|--------------------------------------------------------------------------|| Leave this BLANK unless you would like to set something other than the default| application/logs/ directory. Use a full server path with trailing slash.|*/$config[‘log_path‘] = ‘‘;/*|--------------------------------------------------------------------------| Log File Extension|--------------------------------------------------------------------------|| The default filename extension for log files. The default ‘php‘ allows for| protecting the log files via basic scripting, when they are to be stored| under a publicly accessible directory.|| Note: Leaving it blank will default to ‘php‘.|*/$config[‘log_file_extension‘] = ‘‘;/*|--------------------------------------------------------------------------| Date Format for Logs|--------------------------------------------------------------------------|| Each item that is logged has an associated date. You can use PHP date| codes to set your own date formatting|*/$config[‘log_date_format‘] = ‘Y-m-d H:i:s‘;/*|--------------------------------------------------------------------------| Error Views Directory Path|--------------------------------------------------------------------------|| Leave this BLANK unless you would like to set something other than the default| application/views/errors/ directory.  Use a full server path with trailing slash.|*/$config[‘error_views_path‘] = ‘‘;/*|--------------------------------------------------------------------------| Cache Directory Path|--------------------------------------------------------------------------|| Leave this BLANK unless you would like to set something other than the default| application/cache/ directory.  Use a full server path with trailing slash.|*/$config[‘cache_path‘] = ‘‘;/*|--------------------------------------------------------------------------| Encryption Key|--------------------------------------------------------------------------|| If you use the Encryption class or the Session class you| MUST set an encryption key.  See the user guide for info.|| http://codeigniter.com/user_guide/libraries/encryption.html| http://codeigniter.com/user_guide/libraries/sessions.html|*/$config[‘encryption_key‘] = ‘564566a54saa4sdads‘;/*|--------------------------------------------------------------------------| Session Variables|--------------------------------------------------------------------------|| ‘sess_driver‘                = the driver to load: cookie (Classic), native (PHP sessions),|    or your custom driver name| ‘sess_valid_drivers‘        = additional valid drivers which may be loaded| ‘sess_cookie_name‘        = the name you want for the cookie, must contain only [0-9a-z_-] characters| ‘sess_expiration‘            = the number of SECONDS you want the session to last.|   by default sessions last 7200 seconds (two hours).  Set to zero for no expiration.| ‘sess_expire_on_close‘    = Whether to cause the session to expire automatically|   when the browser window is closed| ‘sess_encrypt_cookie‘        = Whether to encrypt the cookie| ‘sess_use_database‘        = Whether to save the session data to a database| ‘sess_table_name‘            = The name of the session database table| ‘sess_match_ip‘            = Whether to match the user‘s IP address when reading the session data| ‘sess_match_useragent‘    = Whether to match the User Agent when reading the session data| ‘sess_time_to_update‘        = how many seconds between CI refreshing Session Information|*/$config[‘sess_driver‘]            = ‘cookie‘;$config[‘sess_valid_drivers‘]    = array();$config[‘sess_cookie_name‘]        = ‘ci_session‘;$config[‘sess_expiration‘]        = 7200;$config[‘sess_expire_on_close‘]    = FALSE;$config[‘sess_encrypt_cookie‘]    = FALSE;$config[‘sess_use_database‘]    = FALSE;$config[‘sess_table_name‘]        = ‘ci_sessions‘;$config[‘sess_match_ip‘]        = FALSE;$config[‘sess_match_useragent‘]    = TRUE;$config[‘sess_time_to_update‘]    = 300;/*|--------------------------------------------------------------------------| Cookie Related Variables|--------------------------------------------------------------------------|| ‘cookie_prefix‘ = Set a prefix if you need to avoid collisions| ‘cookie_domain‘ = Set to .your-domain.com for site-wide cookies| ‘cookie_path‘   =  Typically will be a forward slash| ‘cookie_secure‘ =  Cookies will only be set if a secure HTTPS connection exists.| ‘cookie_httponly‘ = Cookie will only be accessible via HTTP(S) (no javascript)|*/$config[‘cookie_prefix‘]    = ‘‘;$config[‘cookie_domain‘]    = ‘‘;$config[‘cookie_path‘]        = ‘/‘;$config[‘cookie_secure‘]    = FALSE;$config[‘cookie_httponly‘]     = FALSE;/*|--------------------------------------------------------------------------| Standardize newlines|--------------------------------------------------------------------------|| Determines whether to standardize newline characters in input data,| meaning to replace \r\n, \r, \n occurences with the PHP_EOL value.|| This is particularly useful for portability between UNIX-based OSes,| (usually \n) and Windows (\r\n).|*/$config[‘standardize_newlines‘] = FALSE;/*|--------------------------------------------------------------------------| Global XSS Filtering|--------------------------------------------------------------------------|| Determines whether the XSS filter is always active when GET, POST or| COOKIE data is encountered|*/$config[‘global_xss_filtering‘] = FALSE;/*|--------------------------------------------------------------------------| Cross Site Request Forgery|--------------------------------------------------------------------------| Enables a CSRF cookie token to be set. When set to TRUE, token will be| checked on a submitted form. If you are accepting user data, it is strongly| recommended CSRF protection be enabled.|| ‘csrf_token_name‘ = The token name| ‘csrf_cookie_name‘ = The cookie name| ‘csrf_expire‘ = The number in seconds the token should expire.| ‘csrf_regenerate‘ = Regenerate token on every submission| ‘csrf_exclude_uris‘ = Array of URIs which ignore CSRF checks*/$config[‘csrf_protection‘] = FALSE;$config[‘csrf_token_name‘] = ‘csrf_test_name‘;$config[‘csrf_cookie_name‘] = ‘csrf_cookie_name‘;$config[‘csrf_expire‘] = 7200;$config[‘csrf_regenerate‘] = TRUE;$config[‘csrf_exclude_uris‘] = array();/*|--------------------------------------------------------------------------| Output Compression|--------------------------------------------------------------------------|| Enables Gzip output compression for faster page loads.  When enabled,| the output class will test whether your server supports Gzip.| Even if it does, however, not all browsers support compression| so enable only if you are reasonably sure your visitors can handle it.|| Only used if zlib.output_compression is turned off in your php.ini.| Please do not use it together with httpd-level output compression.|| VERY IMPORTANT:  If you are getting a blank page when compression is enabled it| means you are prematurely outputting something to your browser. It could| even be a line of whitespace at the end of one of your scripts.  For| compression to work, nothing can be sent before the output buffer is called| by the output class.  Do not ‘echo‘ any values with compression enabled.|*/$config[‘compress_output‘] = FALSE;/*|--------------------------------------------------------------------------| Minify|--------------------------------------------------------------------------|| Removes extra characters (usually unnecessary spaces) from your| output for faster page load speeds.  Makes your outputted HTML source| code less readable.|*/$config[‘minify_output‘] = FALSE;/*|--------------------------------------------------------------------------| Master Time Reference|--------------------------------------------------------------------------|| Options are ‘local‘ or any PHP supported timezone. This preference tells| the system whether to use your server‘s local time as the master ‘now‘| reference, or convert it to the configured one timezone. See the ‘date| helper‘ page of the user guide for information regarding date handling.|*/$config[‘time_reference‘] = ‘local‘;/*|--------------------------------------------------------------------------| Rewrite PHP Short Tags|--------------------------------------------------------------------------|| If your PHP installation does not have short tag support enabled CI| can rewrite the tags on-the-fly, enabling you to utilize that syntax| in your view files.  Options are TRUE or FALSE (boolean)|*/$config[‘rewrite_short_tags‘] = FALSE;/*|--------------------------------------------------------------------------| Reverse Proxy IPs|--------------------------------------------------------------------------|| If your server is behind a reverse proxy, you must whitelist the proxy| IP addresses from which CodeIgniter should trust headers such as| HTTP_X_FORWARDED_FOR and HTTP_CLIENT_IP in order to properly identify| the visitor‘s IP address.|| You can use both an array or a comma-separated list of proxy addresses,| as well as specifying whole subnets. Here are a few examples:|| Comma-separated:    ‘10.0.1.200,192.168.5.0/24‘| Array:        array(‘10.0.1.200‘, ‘192.168.5.0/24‘)*/$config[‘proxy_ips‘] = ‘‘;/* End of file config.php *//* Location: ./application/config/config.php */

 

打开 $config[‘compress_output’] = TRUE 选项后,通过view输出的内容自动的就会进行gzip压缩。提速效果很明显。

但是打开后,view中输出时就不能再有 echo 语句,否则会发生错误。

控制器中,可以使用$this->output->set_output($string);来代替echo。

 

CI基本配置