diff options
Diffstat (limited to 'system/core/Output.php')
| -rwxr-xr-x | system/core/Output.php | 92 |
1 files changed, 60 insertions, 32 deletions
diff --git a/system/core/Output.php b/system/core/Output.php index 468274002..b5484ac81 100755 --- a/system/core/Output.php +++ b/system/core/Output.php @@ -2,7 +2,7 @@ /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP 5.2.4 or newer * * NOTICE OF LICENSE * @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * Output Class * @@ -45,25 +43,29 @@ class CI_Output { * * @var string */ - protected $final_output; + public $final_output; + /** * Cache expiration time * * @var int */ - protected $cache_expiration = 0; + public $cache_expiration = 0; + /** * List of server headers * * @var array */ - protected $headers = array(); + public $headers = array(); + /** * List of mime types * * @var array */ - protected $mime_types = array(); + public $mime_types = array(); + /** * Mime-type for the current page * @@ -75,42 +77,48 @@ class CI_Output { * * @var book */ - protected $enable_profiler = FALSE; + public $enable_profiler = FALSE; + /** * Determines if output compression is enabled * * @var bool */ - protected $_zlib_oc = FALSE; + protected $_zlib_oc = FALSE; + /** * List of profiler sections * * @var array */ - protected $_profiler_sections = array(); + protected $_profiler_sections = array(); + /** * Whether or not to parse variables like {elapsed_time} and {memory_usage} * * @var bool */ - protected $parse_exec_vars = TRUE; + public $parse_exec_vars = TRUE; + /** + * Set up Output class + * + * @return void + */ public function __construct() { - $this->_zlib_oc = @ini_get('zlib.output_compression'); + $this->_zlib_oc = (bool) @ini_get('zlib.output_compression'); // Get mime types for later - if (defined('ENVIRONMENT') AND file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php')) + if (defined('ENVIRONMENT') && file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php')) { - include APPPATH.'config/'.ENVIRONMENT.'/mimes.php'; + $this->mime_types = include APPPATH.'config/'.ENVIRONMENT.'/mimes.php'; } else { - include APPPATH.'config/mimes.php'; + $this->mime_types = include APPPATH.'config/mimes.php'; } - - $this->mime_types = $mimes; log_message('debug', 'Output Class Initialized'); } @@ -175,7 +183,7 @@ class CI_Output { * * Lets you set a server header which will be outputted with the final display. * - * Note: If a file is cached, headers will not be sent. We need to figure out + * Note: If a file is cached, headers will not be sent. We need to figure out * how to permit header data to be saved with the cache data... * * @param string @@ -188,7 +196,7 @@ class CI_Output { // but it will not modify the content-length header to compensate for // the reduction, causing the browser to hang waiting for more data. // We'll just skip content-length in those cases. - if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) == 0) + if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) === 0) { return; } @@ -234,10 +242,30 @@ class CI_Output { // -------------------------------------------------------------------- /** + * Get Current Content Type Header + * + * @return string 'text/html', if not already set + */ + public function get_content_type() + { + for ($i = 0, $c = count($this->headers); $i < $c; $i++) + { + if (preg_match('/^Content-Type:\s(.+)$/', $this->headers[$i][0], $matches)) + { + return $matches[1]; + } + } + + return 'text/html'; + } + + // -------------------------------------------------------------------- + + /** * Set HTTP Status Header * moved to Common procedural functions in 1.7.2 * - * @param int the status code + * @param int the status code * @param string * @return void */ @@ -257,7 +285,7 @@ class CI_Output { */ public function enable_profiler($val = TRUE) { - $this->enable_profiler = (is_bool($val)) ? $val : TRUE; + $this->enable_profiler = is_bool($val) ? $val : TRUE; return $this; } @@ -275,7 +303,7 @@ class CI_Output { { foreach ($sections as $section => $enable) { - $this->_profiler_sections[$section] = ($enable !== FALSE) ? TRUE : FALSE; + $this->_profiler_sections[$section] = ($enable !== FALSE); } return $this; @@ -286,12 +314,12 @@ class CI_Output { /** * Set Cache * - * @param integer + * @param int * @return void */ public function cache($time) { - $this->cache_expiration = ( ! is_numeric($time)) ? 0 : $time; + $this->cache_expiration = is_numeric($time) ? $time : 0; return $this; } @@ -305,7 +333,7 @@ class CI_Output { * $this->final_output * * This function sends the finalized output data to the browser along - * with any server headers and profile data. It also stops the + * with any server headers and profile data. It also stops the * benchmark timer so the page rendering speed and memory usage can be shown. * * @param string @@ -327,7 +355,7 @@ class CI_Output { // -------------------------------------------------------------------- // Set the output data - if ($output == '') + if ($output === '') { $output =& $this->final_output; } @@ -360,7 +388,7 @@ class CI_Output { if ($this->parse_exec_vars === TRUE) { - $memory = ( ! function_exists('memory_get_usage')) ? '0' : round(memory_get_usage()/1024/1024, 2).'MB'; + $memory = function_exists('memory_get_usage') ? round(memory_get_usage()/1024/1024, 2).'MB' : '0'; $output = str_replace(array('{elapsed_time}', '{memory_usage}'), array($elapsed, $memory), $output); } @@ -368,7 +396,7 @@ class CI_Output { // -------------------------------------------------------------------- // Is compression requested? - if ($CFG->item('compress_output') === TRUE && $this->_zlib_oc == FALSE + if ($CFG->item('compress_output') === TRUE && $this->_zlib_oc === FALSE && extension_loaded('zlib') && isset($_SERVER['HTTP_ACCEPT_ENCODING']) && strpos($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE) { @@ -403,7 +431,7 @@ class CI_Output { // Do we need to generate profile data? // If so, load the Profile class and run it. - if ($this->enable_profiler == TRUE) + if ($this->enable_profiler === TRUE) { $CI->load->library('profiler'); if ( ! empty($this->_profiler_sections)) @@ -447,7 +475,7 @@ class CI_Output { { $CI =& get_instance(); $path = $CI->config->item('cache_path'); - $cache_path = ($path == '') ? APPPATH.'cache/' : $path; + $cache_path = ($path === '') ? APPPATH.'cache/' : $path; if ( ! is_dir($cache_path) OR ! is_really_writable($cache_path)) { @@ -495,11 +523,11 @@ class CI_Output { * * @param object config class * @param object uri class - * @return void + * @return bool */ public function _display_cache(&$CFG, &$URI) { - $cache_path = ($CFG->item('cache_path') == '') ? APPPATH.'cache/' : $CFG->item('cache_path'); + $cache_path = ($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; |