From ce2b69675075444c9e40b72bcdd42ab7edbbe633 Mon Sep 17 00:00:00 2001 From: Florian Pritz Date: Fri, 28 Jan 2011 22:51:06 +0100 Subject: update to CI 2.0 Signed-off-by: Florian Pritz --- system/codeigniter/Common.php | 421 ------------------------------------------ 1 file changed, 421 deletions(-) delete mode 100644 system/codeigniter/Common.php (limited to 'system/codeigniter/Common.php') diff --git a/system/codeigniter/Common.php b/system/codeigniter/Common.php deleted file mode 100644 index 3b84ffcc1..000000000 --- a/system/codeigniter/Common.php +++ /dev/null @@ -1,421 +0,0 @@ - 5 -* we'll set a static variable. -* -* @access public -* @param string -* @return bool -*/ -function is_php($version = '5.0.0') -{ - static $_is_php; - $version = (string)$version; - - if ( ! isset($_is_php[$version])) - { - $_is_php[$version] = (version_compare(PHP_VERSION, $version) < 0) ? FALSE : TRUE; - } - - return $_is_php[$version]; -} - -// ------------------------------------------------------------------------ - -/** - * Tests for file writability - * - * is_writable() returns TRUE on Windows servers when you really can't write to - * the file, based on the read-only attribute. is_writable() is also unreliable - * on Unix servers if safe_mode is on. - * - * @access private - * @return void - */ -function is_really_writable($file) -{ - // If we're on a Unix server with safe_mode off we call is_writable - if (DIRECTORY_SEPARATOR == '/' AND @ini_get("safe_mode") == FALSE) - { - return is_writable($file); - } - - // For windows servers and safe_mode "on" installations we'll actually - // write a file then read it. Bah... - if (is_dir($file)) - { - $file = rtrim($file, '/').'/'.md5(rand(1,100)); - - if (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE) - { - return FALSE; - } - - fclose($fp); - @chmod($file, DIR_WRITE_MODE); - @unlink($file); - return TRUE; - } - elseif (($fp = @fopen($file, FOPEN_WRITE_CREATE)) === FALSE) - { - return FALSE; - } - - fclose($fp); - return TRUE; -} - -// ------------------------------------------------------------------------ - -/** -* Class registry -* -* This function acts as a singleton. If the requested class does not -* exist it is instantiated and set to a static variable. If it has -* previously been instantiated the variable is returned. -* -* @access public -* @param string the class name being requested -* @param bool optional flag that lets classes get loaded but not instantiated -* @return object -*/ -function &load_class($class, $instantiate = TRUE) -{ - static $objects = array(); - - // Does the class exist? If so, we're done... - if (isset($objects[$class])) - { - return $objects[$class]; - } - - // If the requested class does not exist in the application/libraries - // folder we'll load the native class from the system/libraries folder. - if (file_exists(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT)) - { - require(BASEPATH.'libraries/'.$class.EXT); - require(APPPATH.'libraries/'.config_item('subclass_prefix').$class.EXT); - $is_subclass = TRUE; - } - else - { - if (file_exists(APPPATH.'libraries/'.$class.EXT)) - { - require(APPPATH.'libraries/'.$class.EXT); - $is_subclass = FALSE; - } - else - { - require(BASEPATH.'libraries/'.$class.EXT); - $is_subclass = FALSE; - } - } - - if ($instantiate == FALSE) - { - $objects[$class] = TRUE; - return $objects[$class]; - } - - if ($is_subclass == TRUE) - { - $name = config_item('subclass_prefix').$class; - - $objects[$class] =& instantiate_class(new $name()); - return $objects[$class]; - } - - $name = ($class != 'Controller') ? 'CI_'.$class : $class; - - $objects[$class] =& instantiate_class(new $name()); - return $objects[$class]; -} - -/** - * Instantiate Class - * - * Returns a new class object by reference, used by load_class() and the DB class. - * Required to retain PHP 4 compatibility and also not make PHP 5.3 cry. - * - * Use: $obj =& instantiate_class(new Foo()); - * - * @access public - * @param object - * @return object - */ -function &instantiate_class(&$class_object) -{ - return $class_object; -} - -/** -* Loads the main config.php file -* -* @access private -* @return array -*/ -function &get_config() -{ - static $main_conf; - - if ( ! isset($main_conf)) - { - if ( ! file_exists(APPPATH.'config/config'.EXT)) - { - exit('The configuration file config'.EXT.' does not exist.'); - } - - require(APPPATH.'config/config'.EXT); - - if ( ! isset($config) OR ! is_array($config)) - { - exit('Your config file does not appear to be formatted correctly.'); - } - - $main_conf[0] =& $config; - } - return $main_conf[0]; -} - -/** -* Gets a config item -* -* @access public -* @return mixed -*/ -function config_item($item) -{ - static $config_item = array(); - - if ( ! isset($config_item[$item])) - { - $config =& get_config(); - - if ( ! isset($config[$item])) - { - return FALSE; - } - $config_item[$item] = $config[$item]; - } - - return $config_item[$item]; -} - - -/** -* Error Handler -* -* This function lets us invoke the exception class and -* display errors using the standard error template located -* in application/errors/errors.php -* This function will send the error page directly to the -* browser and exit. -* -* @access public -* @return void -*/ -function show_error($message, $status_code = 500) -{ - $error =& load_class('Exceptions'); - echo $error->show_error('An Error Was Encountered', $message, 'error_general', $status_code); - exit; -} - - -/** -* 404 Page Handler -* -* This function is similar to the show_error() function above -* However, instead of the standard error template it displays -* 404 errors. -* -* @access public -* @return void -*/ -function show_404($page = '') -{ - $error =& load_class('Exceptions'); - $error->show_404($page); - exit; -} - - -/** -* Error Logging Interface -* -* We use this as a simple mechanism to access the logging -* class and send messages to be logged. -* -* @access public -* @return void -*/ -function log_message($level = 'error', $message, $php_error = FALSE) -{ - static $LOG; - - $config =& get_config(); - if ($config['log_threshold'] == 0) - { - return; - } - - $LOG =& load_class('Log'); - $LOG->write_log($level, $message, $php_error); -} - - -/** - * Set HTTP Status Header - * - * @access public - * @param int the status code - * @param string - * @return void - */ -function set_status_header($code = 200, $text = '') -{ - $stati = array( - 200 => 'OK', - 201 => 'Created', - 202 => 'Accepted', - 203 => 'Non-Authoritative Information', - 204 => 'No Content', - 205 => 'Reset Content', - 206 => 'Partial Content', - - 300 => 'Multiple Choices', - 301 => 'Moved Permanently', - 302 => 'Found', - 304 => 'Not Modified', - 305 => 'Use Proxy', - 307 => 'Temporary Redirect', - - 400 => 'Bad Request', - 401 => 'Unauthorized', - 403 => 'Forbidden', - 404 => 'Not Found', - 405 => 'Method Not Allowed', - 406 => 'Not Acceptable', - 407 => 'Proxy Authentication Required', - 408 => 'Request Timeout', - 409 => 'Conflict', - 410 => 'Gone', - 411 => 'Length Required', - 412 => 'Precondition Failed', - 413 => 'Request Entity Too Large', - 414 => 'Request-URI Too Long', - 415 => 'Unsupported Media Type', - 416 => 'Requested Range Not Satisfiable', - 417 => 'Expectation Failed', - - 500 => 'Internal Server Error', - 501 => 'Not Implemented', - 502 => 'Bad Gateway', - 503 => 'Service Unavailable', - 504 => 'Gateway Timeout', - 505 => 'HTTP Version Not Supported' - ); - - if ($code == '' OR ! is_numeric($code)) - { - show_error('Status codes must be numeric', 500); - } - - if (isset($stati[$code]) AND $text == '') - { - $text = $stati[$code]; - } - - if ($text == '') - { - show_error('No status text available. Please check your status code number or supply your own message text.', 500); - } - - $server_protocol = (isset($_SERVER['SERVER_PROTOCOL'])) ? $_SERVER['SERVER_PROTOCOL'] : FALSE; - - if (substr(php_sapi_name(), 0, 3) == 'cgi') - { - header("Status: {$code} {$text}", TRUE); - } - elseif ($server_protocol == 'HTTP/1.1' OR $server_protocol == 'HTTP/1.0') - { - header($server_protocol." {$code} {$text}", TRUE, $code); - } - else - { - header("HTTP/1.1 {$code} {$text}", TRUE, $code); - } -} - - -/** -* Exception Handler -* -* This is the custom exception handler that is declaired at the top -* of Codeigniter.php. The main reason we use this is permit -* PHP errors to be logged in our own log files since we may -* not have access to server logs. Since this function -* effectively intercepts PHP errors, however, we also need -* to display errors based on the current error_reporting level. -* We do that with the use of a PHP error template. -* -* @access private -* @return void -*/ -function _exception_handler($severity, $message, $filepath, $line) -{ - // We don't bother with "strict" notices since they will fill up - // the log file with information that isn't normally very - // helpful. For example, if you are running PHP 5 and you - // use version 4 style class functions (without prefixes - // like "public", "private", etc.) you'll get notices telling - // you that these have been deprecated. - - if ($severity == E_STRICT) - { - return; - } - - $error =& load_class('Exceptions'); - - // Should we display the error? - // We'll get the current error_reporting level and add its bits - // with the severity bits to find out. - - if (($severity & error_reporting()) == $severity) - { - $error->show_php_error($severity, $message, $filepath, $line); - } - - // Should we log the error? No? We're done... - $config =& get_config(); - if ($config['log_threshold'] == 0) - { - return; - } - - $error->log_exception($severity, $message, $filepath, $line); -} - - - -/* End of file Common.php */ -/* Location: ./system/codeigniter/Common.php */ \ No newline at end of file -- cgit v1.2.3-24-g4f1b