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kenjis committed d892e01

change test of replacing core class bug

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  • Parent commits 11dafbd

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Files changed (5)

File application/controllers/tests/cli_test_replace_core_class_bug.Output.php

+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Output Class
+ *
+ * Responsible for sending final output to browser
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Output
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/output.html
+ */
+class CI_Output {
+
+	var $final_output;
+	var $cache_expiration	= 0;
+	var $headers			= array();
+	var $enable_profiler	= FALSE;
+	var $parse_exec_vars	= TRUE;	// whether or not to parse variables like {elapsed_time} and {memory_usage}
+
+	var $_zlib_oc			= FALSE;
+	var $_profiler_sections = array();
+
+	function __construct()
+	{
+		$this->_zlib_oc = @ini_get('zlib.output_compression');
+
+		log_message('debug', "Output Class Initialized");
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Get Output
+	 *
+	 * Returns the current output string
+	 *
+	 * @access	public
+	 * @return	string
+	 */
+	function get_output()
+	{
+		return 'Test of replacing core class.';
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set Output
+	 *
+	 * Sets the output string
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function set_output($output)
+	{
+		$this->final_output = $output;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Append Output
+	 *
+	 * Appends data onto the output string
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function append_output($output)
+	{
+		if ($this->final_output == '')
+		{
+			$this->final_output = $output;
+		}
+		else
+		{
+			$this->final_output .= $output;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set Header
+	 *
+	 * Lets you set a server header which will be outputted with the final display.
+	 *
+	 * Note:  If a file is cached, headers will not be sent.  We need to figure out
+	 * how to permit header data to be saved with the cache data...
+	 *
+	 * @access	public
+	 * @param	string
+	 * @return	void
+	 */
+	function set_header($header, $replace = TRUE)
+	{
+		// If zlib.output_compression is enabled it will compress the output,
+		// but it will not modify the content-length header to compensate for
+		// the reduction, causing the browser to hang waiting for more data.
+		// We'll just skip content-length in those cases.
+
+		if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) == 0)
+		{
+			return;
+		}
+
+		$this->headers[] = array($header, $replace);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set HTTP Status Header
+	 * moved to Common procedural functions in 1.7.2
+	 *
+	 * @access	public
+	 * @param	int		the status code
+	 * @param	string
+	 * @return	void
+	 */
+	function set_status_header($code = 200, $text = '')
+	{
+		set_status_header($code, $text);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Enable/disable Profiler
+	 *
+	 * @access	public
+	 * @param	bool
+	 * @return	void
+	 */
+	function enable_profiler($val = TRUE)
+	{
+		$this->enable_profiler = (is_bool($val)) ? $val : TRUE;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set Profiler Sections
+	 *
+	 * Allows override of default / config settings for Profiler section display
+	 *
+	 * @access	public
+	 * @param	array
+	 * @return	void
+	 */
+	function set_profiler_sections($sections)
+	{
+		foreach ($sections as $section => $enable)
+		{
+			$this->_profiler_sections[$section] = ($enable !== FALSE) ? TRUE : FALSE;
+		}
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Set Cache
+	 *
+	 * @access	public
+	 * @param	integer
+	 * @return	void
+	 */
+	function cache($time)
+	{
+		$this->cache_expiration = ( ! is_numeric($time)) ? 0 : $time;
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Display Output
+	 *
+	 * All "view" data is automatically put into this variable by the controller class:
+	 *
+	 * $this->final_output
+	 *
+	 * This function sends the finalized output data to the browser along
+	 * with any server headers and profile data.  It also stops the
+	 * benchmark timer so the page rendering speed and memory usage can be shown.
+	 *
+	 * @access	public
+	 * @return	mixed
+	 */
+	function _display($output = '')
+	{
+		// Note:  We use globals because we can't use $CI =& get_instance()
+		// since this function is sometimes called by the caching mechanism,
+		// which happens before the CI super object is available.
+		global $BM, $CFG;
+
+		// Grab the super object if we can.
+		if (class_exists('CI_Controller'))
+		{
+			$CI =& get_instance();
+		}
+
+		// --------------------------------------------------------------------
+
+		// Set the output data
+		if ($output == '')
+		{
+			$output =& $this->final_output;
+		}
+
+		// --------------------------------------------------------------------
+
+		// Do we need to write a cache file?  Only if the controller does not have its
+		// own _output() method and we are not dealing with a cache file, which we
+		// can determine by the existence of the $CI object above
+		if ($this->cache_expiration > 0 && isset($CI) && ! method_exists($CI, '_output'))
+		{
+			$this->_write_cache($output);
+		}
+
+		// --------------------------------------------------------------------
+
+		// Parse out the elapsed time and memory usage,
+		// then swap the pseudo-variables with the data
+
+		$elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end');
+
+		if ($this->parse_exec_vars === TRUE)
+		{
+			$memory	 = ( ! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB';
+
+			$output = str_replace('{elapsed_time}', $elapsed, $output);
+			$output = str_replace('{memory_usage}', $memory, $output);
+		}
+
+		// --------------------------------------------------------------------
+
+		// Is compression requested?
+		if ($CFG->item('compress_output') === TRUE && $this->_zlib_oc == FALSE)
+		{
+			if (extension_loaded('zlib'))
+			{
+				if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) AND strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE)
+				{
+					ob_start('ob_gzhandler');
+				}
+			}
+		}
+
+		// --------------------------------------------------------------------
+
+		// Are there any server headers to send?
+		if (count($this->headers) > 0)
+		{
+			foreach ($this->headers as $header)
+			{
+				@header($header[0], $header[1]);
+			}
+		}
+
+		// --------------------------------------------------------------------
+
+		// Does the $CI object exist?
+		// If not we know we are dealing with a cache file so we'll
+		// simply echo out the data and exit.
+		if ( ! isset($CI))
+		{
+			echo $output;
+			log_message('debug', "Final output sent to browser");
+			log_message('debug', "Total execution time: ".$elapsed);
+			return TRUE;
+		}
+
+		// --------------------------------------------------------------------
+
+		// Do we need to generate profile data?
+		// If so, load the Profile class and run it.
+		if ($this->enable_profiler == TRUE)
+		{
+			$CI->load->library('profiler');
+
+			if ( ! empty($this->_profiler_sections))
+			{
+				$CI->profiler->set_sections($this->_profiler_sections);
+			}
+
+			// If the output data contains closing </body> and </html> tags
+			// we will remove them and add them back after we insert the profile data
+			if (preg_match("|</body>.*?</html>|is", $output))
+			{
+				$output  = preg_replace("|</body>.*?</html>|is", '', $output);
+				$output .= $CI->profiler->run();
+				$output .= '</body></html>';
+			}
+			else
+			{
+				$output .= $CI->profiler->run();
+			}
+		}
+
+		// --------------------------------------------------------------------
+
+		// Does the controller contain a function named _output()?
+		// If so send the output there.  Otherwise, echo it.
+		if (method_exists($CI, '_output'))
+		{
+			$CI->_output($output);
+		}
+		else
+		{
+			echo $output;  // Send it to the browser!
+		}
+
+		log_message('debug', "Final output sent to browser");
+		log_message('debug', "Total execution time: ".$elapsed);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Write a Cache File
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function _write_cache($output)
+	{
+		$CI =& get_instance();
+		$path = $CI->config->item('cache_path');
+
+		$cache_path = ($path == '') ? APPPATH.'cache/' : $path;
+
+		if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
+		{
+			log_message('error', "Unable to write cache file: ".$cache_path);
+			return;
+		}
+
+		$uri =	$CI->config->item('base_url').
+				$CI->config->item('index_page').
+				$CI->uri->uri_string();
+
+		$cache_path .= md5($uri);
+
+		if ( ! $fp = @fopen($cache_path, FOPEN_WRITE_CREATE_DESTRUCTIVE))
+		{
+			log_message('error', "Unable to write cache file: ".$cache_path);
+			return;
+		}
+
+		$expire = time() + ($this->cache_expiration * 60);
+
+		if (flock($fp, LOCK_EX))
+		{
+			fwrite($fp, $expire.'TS--->'.$output);
+			flock($fp, LOCK_UN);
+		}
+		else
+		{
+			log_message('error', "Unable to secure a file lock for file at: ".$cache_path);
+			return;
+		}
+		fclose($fp);
+		@chmod($cache_path, FILE_WRITE_MODE);
+
+		log_message('debug', "Cache file written: ".$cache_path);
+	}
+
+	// --------------------------------------------------------------------
+
+	/**
+	 * Update/serve a cached file
+	 *
+	 * @access	public
+	 * @return	void
+	 */
+	function _display_cache(&$CFG, &$URI)
+	{
+		$cache_path = ($CFG->item('cache_path') == '') ? APPPATH.'cache/' : $CFG->item('cache_path');
+
+		// Build the file path.  The file name is an MD5 hash of the full URI
+		$uri =	$CFG->item('base_url').
+				$CFG->item('index_page').
+				$URI->uri_string;
+
+		$filepath = $cache_path.md5($uri);
+
+		if ( ! @file_exists($filepath))
+		{
+			return FALSE;
+		}
+
+		if ( ! $fp = @fopen($filepath, FOPEN_READ))
+		{
+			return FALSE;
+		}
+
+		flock($fp, LOCK_SH);
+
+		$cache = '';
+		if (filesize($filepath) > 0)
+		{
+			$cache = fread($fp, filesize($filepath));
+		}
+
+		flock($fp, LOCK_UN);
+		fclose($fp);
+
+		// Strip out the embedded timestamp
+		if ( ! preg_match("/(\d+TS--->)/", $cache, $match))
+		{
+			return FALSE;
+		}
+
+		// Has the file expired? If so we'll delete it.
+		if (time() >= trim(str_replace('TS--->', '', $match['1'])))
+		{
+			if (is_really_writable($cache_path))
+			{
+				@unlink($filepath);
+				log_message('debug', "Cache file has expired. File deleted");
+				return FALSE;
+			}
+		}
+
+		// Display the cache
+		$this->_display(str_replace($match['0'], '', $cache));
+		log_message('debug', "Cache file is current. Sending it to browser.");
+		return TRUE;
+	}
+
+
+}
+// END Output Class
+
+/* End of file Output.php */
+/* Location: ./application/core/Output.php */

File application/controllers/tests/cli_test_replace_core_class_bug.php

+<?php
+
+class Cli_test_replace_core_class_bug extends CI_Controller {
+	function __construct()
+	{
+		parent::__construct();
+		if ( ! file_exists(APPPATH . 'core/Output.php'))
+		{
+			exit('No application/core/Output.php');
+		}
+		$this->load->library('unit_test');
+	}
+
+	function index()
+	{
+		$test = $this->output->get_output();
+		$this->unit->run($test, 'Test of replacing core class.', "replacing Output class", $test);
+		var_dump($this->unit->result());
+	}
+}
+
+/* End of file cli_test_form_prep_bug.php */
+/* Location: ./system/application/controllers/tests/cli_test_form_prep_bug.php */

File application/controllers/tests/cli_test_replace_core_class_bug.runner.php

+<?php
+
+// set up
+chdir(dirname(__FILE__));
+//echo getcwd();
+
+$app = '../..';
+$source = 'cli_test_replace_core_class_bug.Output.php';
+$dest = $app . '/core/Output.php';
+
+if (file_exists($dest))
+{
+	exit('Error: application/core/Output.php exists' . PHP_EOL);
+}
+else
+{
+	//echo $source, ' ', $dest;
+	copy($source, $dest);
+}
+
+
+// testing
+chdir('../' . $app);
+//echo getcwd();
+
+system('php index.php tests/cli_test_replace_core_class_bug');
+
+
+// tear down
+chdir(dirname(__FILE__));
+unlink($dest);

File application/controllers/tests/test_replace_core_class_bug.php

-<?php
-
-class Test_replace_core_class_bug extends CI_Controller {
-	function __construct()
-	{
-		parent::__construct();
-		if ( ! file_exists(APPPATH . 'core/Output.php'))
-		{
-			exit('No application/core/Output.php');
-		}
-	}
-
-	function index()
-	{
-		echo $this->output->get_output();
-	}
-}
-
-/* End of file welcome.php */
-/* Location: ./system/application/controllers/tests/test_form_prep_bug.php */

File application/core/Output.php

-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
-/**
- * CodeIgniter
- *
- * An open source application development framework for PHP 5.1.6 or newer
- *
- * @package		CodeIgniter
- * @author		ExpressionEngine Dev Team
- * @copyright	Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license		http://codeigniter.com/user_guide/license.html
- * @link		http://codeigniter.com
- * @since		Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Output Class
- *
- * Responsible for sending final output to browser
- *
- * @package		CodeIgniter
- * @subpackage	Libraries
- * @category	Output
- * @author		ExpressionEngine Dev Team
- * @link		http://codeigniter.com/user_guide/libraries/output.html
- */
-class CI_Output {
-
-	var $final_output;
-	var $cache_expiration	= 0;
-	var $headers			= array();
-	var $enable_profiler	= FALSE;
-	var $parse_exec_vars	= TRUE;	// whether or not to parse variables like {elapsed_time} and {memory_usage}
-
-	var $_zlib_oc			= FALSE;
-	var $_profiler_sections = array();
-
-	function __construct()
-	{
-		$this->_zlib_oc = @ini_get('zlib.output_compression');
-
-		log_message('debug', "Output Class Initialized");
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Get Output
-	 *
-	 * Returns the current output string
-	 *
-	 * @access	public
-	 * @return	string
-	 */
-	function get_output()
-	{
-		return 'Test of replacing core class.';
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Set Output
-	 *
-	 * Sets the output string
-	 *
-	 * @access	public
-	 * @param	string
-	 * @return	void
-	 */
-	function set_output($output)
-	{
-		$this->final_output = $output;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Append Output
-	 *
-	 * Appends data onto the output string
-	 *
-	 * @access	public
-	 * @param	string
-	 * @return	void
-	 */
-	function append_output($output)
-	{
-		if ($this->final_output == '')
-		{
-			$this->final_output = $output;
-		}
-		else
-		{
-			$this->final_output .= $output;
-		}
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Set Header
-	 *
-	 * Lets you set a server header which will be outputted with the final display.
-	 *
-	 * Note:  If a file is cached, headers will not be sent.  We need to figure out
-	 * how to permit header data to be saved with the cache data...
-	 *
-	 * @access	public
-	 * @param	string
-	 * @return	void
-	 */
-	function set_header($header, $replace = TRUE)
-	{
-		// If zlib.output_compression is enabled it will compress the output,
-		// but it will not modify the content-length header to compensate for
-		// the reduction, causing the browser to hang waiting for more data.
-		// We'll just skip content-length in those cases.
-
-		if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) == 0)
-		{
-			return;
-		}
-
-		$this->headers[] = array($header, $replace);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Set HTTP Status Header
-	 * moved to Common procedural functions in 1.7.2
-	 *
-	 * @access	public
-	 * @param	int		the status code
-	 * @param	string
-	 * @return	void
-	 */
-	function set_status_header($code = 200, $text = '')
-	{
-		set_status_header($code, $text);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Enable/disable Profiler
-	 *
-	 * @access	public
-	 * @param	bool
-	 * @return	void
-	 */
-	function enable_profiler($val = TRUE)
-	{
-		$this->enable_profiler = (is_bool($val)) ? $val : TRUE;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Set Profiler Sections
-	 *
-	 * Allows override of default / config settings for Profiler section display
-	 *
-	 * @access	public
-	 * @param	array
-	 * @return	void
-	 */
-	function set_profiler_sections($sections)
-	{
-		foreach ($sections as $section => $enable)
-		{
-			$this->_profiler_sections[$section] = ($enable !== FALSE) ? TRUE : FALSE;
-		}
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Set Cache
-	 *
-	 * @access	public
-	 * @param	integer
-	 * @return	void
-	 */
-	function cache($time)
-	{
-		$this->cache_expiration = ( ! is_numeric($time)) ? 0 : $time;
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Display Output
-	 *
-	 * All "view" data is automatically put into this variable by the controller class:
-	 *
-	 * $this->final_output
-	 *
-	 * This function sends the finalized output data to the browser along
-	 * with any server headers and profile data.  It also stops the
-	 * benchmark timer so the page rendering speed and memory usage can be shown.
-	 *
-	 * @access	public
-	 * @return	mixed
-	 */
-	function _display($output = '')
-	{
-		// Note:  We use globals because we can't use $CI =& get_instance()
-		// since this function is sometimes called by the caching mechanism,
-		// which happens before the CI super object is available.
-		global $BM, $CFG;
-
-		// Grab the super object if we can.
-		if (class_exists('CI_Controller'))
-		{
-			$CI =& get_instance();
-		}
-
-		// --------------------------------------------------------------------
-
-		// Set the output data
-		if ($output == '')
-		{
-			$output =& $this->final_output;
-		}
-
-		// --------------------------------------------------------------------
-
-		// Do we need to write a cache file?  Only if the controller does not have its
-		// own _output() method and we are not dealing with a cache file, which we
-		// can determine by the existence of the $CI object above
-		if ($this->cache_expiration > 0 && isset($CI) && ! method_exists($CI, '_output'))
-		{
-			$this->_write_cache($output);
-		}
-
-		// --------------------------------------------------------------------
-
-		// Parse out the elapsed time and memory usage,
-		// then swap the pseudo-variables with the data
-
-		$elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end');
-
-		if ($this->parse_exec_vars === TRUE)
-		{
-			$memory	 = ( ! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB';
-
-			$output = str_replace('{elapsed_time}', $elapsed, $output);
-			$output = str_replace('{memory_usage}', $memory, $output);
-		}
-
-		// --------------------------------------------------------------------
-
-		// Is compression requested?
-		if ($CFG->item('compress_output') === TRUE && $this->_zlib_oc == FALSE)
-		{
-			if (extension_loaded('zlib'))
-			{
-				if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) AND strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE)
-				{
-					ob_start('ob_gzhandler');
-				}
-			}
-		}
-
-		// --------------------------------------------------------------------
-
-		// Are there any server headers to send?
-		if (count($this->headers) > 0)
-		{
-			foreach ($this->headers as $header)
-			{
-				@header($header[0], $header[1]);
-			}
-		}
-
-		// --------------------------------------------------------------------
-
-		// Does the $CI object exist?
-		// If not we know we are dealing with a cache file so we'll
-		// simply echo out the data and exit.
-		if ( ! isset($CI))
-		{
-			echo $output;
-			log_message('debug', "Final output sent to browser");
-			log_message('debug', "Total execution time: ".$elapsed);
-			return TRUE;
-		}
-
-		// --------------------------------------------------------------------
-
-		// Do we need to generate profile data?
-		// If so, load the Profile class and run it.
-		if ($this->enable_profiler == TRUE)
-		{
-			$CI->load->library('profiler');
-
-			if ( ! empty($this->_profiler_sections))
-			{
-				$CI->profiler->set_sections($this->_profiler_sections);
-			}
-
-			// If the output data contains closing </body> and </html> tags
-			// we will remove them and add them back after we insert the profile data
-			if (preg_match("|</body>.*?</html>|is", $output))
-			{
-				$output  = preg_replace("|</body>.*?</html>|is", '', $output);
-				$output .= $CI->profiler->run();
-				$output .= '</body></html>';
-			}
-			else
-			{
-				$output .= $CI->profiler->run();
-			}
-		}
-
-		// --------------------------------------------------------------------
-
-		// Does the controller contain a function named _output()?
-		// If so send the output there.  Otherwise, echo it.
-		if (method_exists($CI, '_output'))
-		{
-			$CI->_output($output);
-		}
-		else
-		{
-			echo $output;  // Send it to the browser!
-		}
-
-		log_message('debug', "Final output sent to browser");
-		log_message('debug', "Total execution time: ".$elapsed);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Write a Cache File
-	 *
-	 * @access	public
-	 * @return	void
-	 */
-	function _write_cache($output)
-	{
-		$CI =& get_instance();
-		$path = $CI->config->item('cache_path');
-
-		$cache_path = ($path == '') ? APPPATH.'cache/' : $path;
-
-		if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path))
-		{
-			log_message('error', "Unable to write cache file: ".$cache_path);
-			return;
-		}
-
-		$uri =	$CI->config->item('base_url').
-				$CI->config->item('index_page').
-				$CI->uri->uri_string();
-
-		$cache_path .= md5($uri);
-
-		if ( ! $fp = @fopen($cache_path, FOPEN_WRITE_CREATE_DESTRUCTIVE))
-		{
-			log_message('error', "Unable to write cache file: ".$cache_path);
-			return;
-		}
-
-		$expire = time() + ($this->cache_expiration * 60);
-
-		if (flock($fp, LOCK_EX))
-		{
-			fwrite($fp, $expire.'TS--->'.$output);
-			flock($fp, LOCK_UN);
-		}
-		else
-		{
-			log_message('error', "Unable to secure a file lock for file at: ".$cache_path);
-			return;
-		}
-		fclose($fp);
-		@chmod($cache_path, FILE_WRITE_MODE);
-
-		log_message('debug', "Cache file written: ".$cache_path);
-	}
-
-	// --------------------------------------------------------------------
-
-	/**
-	 * Update/serve a cached file
-	 *
-	 * @access	public
-	 * @return	void
-	 */
-	function _display_cache(&$CFG, &$URI)
-	{
-		$cache_path = ($CFG->item('cache_path') == '') ? APPPATH.'cache/' : $CFG->item('cache_path');
-
-		// Build the file path.  The file name is an MD5 hash of the full URI
-		$uri =	$CFG->item('base_url').
-				$CFG->item('index_page').
-				$URI->uri_string;
-
-		$filepath = $cache_path.md5($uri);
-
-		if ( ! @file_exists($filepath))
-		{
-			return FALSE;
-		}
-
-		if ( ! $fp = @fopen($filepath, FOPEN_READ))
-		{
-			return FALSE;
-		}
-
-		flock($fp, LOCK_SH);
-
-		$cache = '';
-		if (filesize($filepath) > 0)
-		{
-			$cache = fread($fp, filesize($filepath));
-		}
-
-		flock($fp, LOCK_UN);
-		fclose($fp);
-
-		// Strip out the embedded timestamp
-		if ( ! preg_match("/(\d+TS--->)/", $cache, $match))
-		{
-			return FALSE;
-		}
-
-		// Has the file expired? If so we'll delete it.
-		if (time() >= trim(str_replace('TS--->', '', $match['1'])))
-		{
-			if (is_really_writable($cache_path))
-			{
-				@unlink($filepath);
-				log_message('debug', "Cache file has expired. File deleted");
-				return FALSE;
-			}
-		}
-
-		// Display the cache
-		$this->_display(str_replace($match['0'], '', $cache));
-		log_message('debug', "Cache file is current. Sending it to browser.");
-		return TRUE;
-	}
-
-
-}
-// END Output Class
-
-/* End of file Output.php */
-/* Location: ./application/core/Output.php */