Added Output class, fixed some formatting issues
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Codeigniter Page Builder is a simple system for putting together content into web pages, using Codeigniter's views, and making it simpler to set expiration headers for javascript and CSS.
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222
application/core/MY_Output.php
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222
application/core/MY_Output.php
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<?php
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if (!defined('BASEPATH'))
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exit('No direct script access allowed');
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define('MIN_SAFE', 1);
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define('MIN_EXTREME', 2);
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define('MIN_EXTREME_COMMENTS', 4);
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// ------------------------------------------------------------------------
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/**
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* Output Class
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*
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* Responsible for sending final output to browser
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category Output
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* @author ExpressionEngine Dev Team
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* @link http://codeigniter.com/user_guide/libraries/output.html
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*/
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class MY_Output extends CI_Output
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{
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var $final_output;
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var $cache_expiration = 0;
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var $headers = array();
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var $enable_profiler = FALSE;
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var $min = 0;
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// --------------------------------------------------------------------
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/**
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* Display Output
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*
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* All "view" data is automatically put into this variable by the controller class:
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*
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* $this->final_output
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*
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* This function sends the finalized output data to the browser along
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* with any server headers and profile data. It also stops the
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* benchmark timer so the page rendering speed and memory usage can be shown.
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*
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* @access public
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* @return mixed
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*/
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function _display($output = '')
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{
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// Note: We use globals because we can't use $CI =& get_instance()
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// since this function is sometimes called by the caching mechanism,
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// which happens before the CI super object is available.
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global $BM, $CFG;
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//$this->min = 0;
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// --------------------------------------------------------------------
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// Set the output data
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if ($output == '')
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{
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$output =& $this->final_output;
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}
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// --------------------------------------------------------------------
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// Do we need to write a cache file?
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if ($this->cache_expiration > 0)
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{
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$this->_write_cache($output);
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}
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// --------------------------------------------------------------------
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// Parse out the elapsed time and memory usage,
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// then swap the pseudo-variables with the data
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$elapsed = $BM->elapsed_time('total_execution_time_start', 'total_execution_time_end');
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$output = str_replace('{elapsed_time}', $elapsed, $output);
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$memory = (!function_exists('memory_get_usage')) ? '0' : round(memory_get_usage() / 1024 / 1024, 2) . 'MB';
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$output = str_replace('{memory_usage}', $memory, $output);
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// --------------------------------------------------------------------
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// Is compression requested?
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if ($CFG->item('compress_output') === TRUE)
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{
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if (extension_loaded('zlib'))
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{
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if (isset($_SERVER['HTTP_ACCEPT_ENCODING']) AND strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE)
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{
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ob_start('ob_gzhandler');
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}
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}
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}
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// --------------------------------------------------------------------
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// Are there any server headers to send?
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if (count($this->headers) > 0)
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{
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foreach ($this->headers as $header)
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{
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header($header[0], $header[1]);
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}
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}
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// --------------------------------------------------------------------
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// Does the get_instance() function exist?
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// If not we know we are dealing with a cache file so we'll
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// simply echo out the data and exit.
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if (!function_exists('get_instance'))
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{
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echo $output;
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log_message('debug', "Final output sent to browser");
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log_message('debug', "Total execution time: " . $elapsed);
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return TRUE;
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}
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// --------------------------------------------------------------------
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// Grab the super object. We'll need it in a moment…
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$CI =& get_instance();
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// Do we need to generate profile data?
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// If so, load the Profile class and run it.
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if ($this->enable_profiler == TRUE)
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{
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$CI->load->library('profiler');
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// If the output data contains closing </body> and </html> tags
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// we will remove them and add them back after we insert the profile data
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if (preg_match("|</body>.*?</html>|is", $output))
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{
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$output = preg_replace("|</body>.*?</html>|is", '', $output);
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$output .= $CI->profiler->run();
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$output .= '</body></html>';
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}
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else
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{
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$output .= $CI->profiler->run();
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}
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}
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//Let's minify!
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switch ((int) $this->min)
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{
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case 0:
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//Don't minify
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break;
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case 1: //Safe Minify
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$output = preg_replace("`>\s+<`", "> <", $output);
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break;
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case 2: //Extreme Minify
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$output = preg_replace('/<!--[^\[](.*)-->/Uis', '', $output);
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$output = preg_replace("`\s+`", " ", $output);
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$output = preg_replace("`> <`", "><", $output);
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$output = str_replace("</a><a", "</a> <a", $output);
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$output = preg_replace("`(<img(.*?)/>)`", " <img$2/> ", $output);
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break;
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case 4: //Extreme minify, save comments
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$output = preg_replace("`\s+`", " ", $output);
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$output = preg_replace("`> <`", "><", $output);
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$output = str_replace("</a><a", "</a> <a", $output);
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$output = preg_replace("`(<img(.*?)/>)`", " <img$2/> ", $output);
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break;
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default:
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//Don't minify
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break;
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}
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//Replace common entities with more compatible versions
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$replace = array(
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'"&"' => '"&"',
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'{NL}' => " ",
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' ' => ' ',
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'©' => '©',
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'â' => 'â',
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'¢' => '¢',
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'»' => '»',
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'«' => '«'
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);
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$output = strtr($output, $replace);
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// --------------------------------------------------------------------
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// Does the controller contain a function named _output()?
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// If so send the output there. Otherwise, echo it.
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if (method_exists($CI, '_output'))
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{
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$CI->_output($output);
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}
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else
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{
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echo $output; // Send it to the browser!
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}
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log_message('debug', "Final output sent to browser");
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log_message('debug', "Total execution time: " . $elapsed);
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}
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/**
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* Enable/disable Minified HTML
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*
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* @access public
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* @param int
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* @return void
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*/
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function enable_min($val = 0)
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{
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$this->min = $val;
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}
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}
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// END Output Class
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/* End of file Output.php */
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/* Location: ./system/libraries/Output.php */
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@ -1,14 +1,14 @@
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<?php (defined('BASEPATH')) OR exit('No direct script access allowed');
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<?php
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(defined('BASEPATH')) OR exit('No direct script access allowed');
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/**
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* Class for building pages
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*
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* All methods are chainable, with the exception of the constructor,
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* build_header(), build_footer(), build_page() and _headers() methods.
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*/
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class Page {
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private static $meta, $head_js, $foot_js, $css, $title,
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$head_tags, $body_class, $body_id, $base;
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class Page
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{
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private static $meta, $head_js, $foot_js, $css, $title, $head_tags, $body_class, $body_id, $base;
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private $CI;
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public function __construct()
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@ -109,9 +109,9 @@ class Page {
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$doctype_string = '';
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}
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$doctype_string = "<?xml version='1.0' encoding='$charset' ?>\n" .
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$doctype_string . "\n<html xmlns='http://www.w3.org/1999/xhtml'" .
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" xml:lang='en'>";
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$doctype_string = "<?xml version='1.0' encoding='$charset' ?>\n"
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. $doctype_string
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. "\n<html xmlns='http://www.w3.org/1999/xhtml'" . " xml:lang='en'>";
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}
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else
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{
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$link = array(
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'href' => $this->CI->config->item('group_style_path') . $group,
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'rel' => 'stylesheet',
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'type' => 'text/css',
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'type' => 'text/css'
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);
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$this->css .= T1 . link_tag($link) . NL;
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*/
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public function set_title($title = "")
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{
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$title = ($title == "") ?
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$this->CI->config->item('default_title') : $title;
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$title = ($title == "") ? $this->CI->config->item('default_title') : $title;
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$this->title = $title;
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@ -342,9 +341,7 @@ class Page {
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$data = array();
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//Set Meta Tags
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$this->meta = ($html5 == TRUE) ?
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T1.'<meta charset="utf-8" />'.NL. $this->meta :
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T1.meta('content-type', 'text/html; charset=utf-8', 'equiv').NL.$this->meta;
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$this->meta = ($html5 == TRUE) ? T1 . '<meta charset="utf-8" />' . NL . $this->meta : T1 . meta('content-type', 'text/html; charset=utf-8', 'equiv') . NL . $this->meta;
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$data['meta'] = $this->meta;
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//Set CSS
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@ -406,8 +403,7 @@ class Page {
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{
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$data = array();
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$data['foot_js'] = ($this->foot_js != "") ?
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$this->foot_js : '';
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$data['foot_js'] = ($this->foot_js != "") ? $this->foot_js : '';
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$this->CI->load->view('footer', $data);
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}
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if ($domain == FALSE)
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$js_file = $js;
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$tag = T1.'<script src="' .
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$js_file .
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'"></script>'.NL;
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$tag = T1 . '<script src="' . $js_file . '"></script>' . NL;
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return $tag;
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}
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