diff options
Diffstat (limited to 'system/core/Output.php')
| -rwxr-xr-x | system/core/Output.php | 93 |
1 files changed, 61 insertions, 32 deletions
diff --git a/system/core/Output.php b/system/core/Output.php index 9bf818e88..5588ffe8e 100755 --- a/system/core/Output.php +++ b/system/core/Output.php @@ -43,66 +43,69 @@ 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 $mimes = array(); + /** * Determines wether profiler is enabled * * @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') && file_exists(APPPATH.'config/'.ENVIRONMENT.'/mimes.php')) - { - include APPPATH.'config/'.ENVIRONMENT.'/mimes.php'; - } - else - { - include APPPATH.'config/mimes.php'; - } - + $this->mimes =& get_mimes(); - $this->mime_types = $mimes; log_message('debug', 'Output Class Initialized'); } @@ -167,7 +170,7 @@ class CI_Output { * * Lets you set a server header which will be outputted with the final display. * - * Note: If a file is cached, headers will not be sent. We need to figure out + * Note: If a file is cached, headers will not be sent. We need to figure out * how to permit header data to be saved with the cache data... * * @param string @@ -180,7 +183,7 @@ class CI_Output { // but it will not modify the content-length header to compensate for // the reduction, causing the browser to hang waiting for more data. // We'll just skip content-length in those cases. - if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) == 0) + if ($this->_zlib_oc && strncasecmp($header, 'content-length', 14) === 0) { return; } @@ -197,16 +200,16 @@ class CI_Output { * @param string extension of the file we're outputting * @return void */ - public function set_content_type($mime_type) + public function set_content_type($mime_type, $charset = NULL) { if (strpos($mime_type, '/') === FALSE) { $extension = ltrim($mime_type, '.'); // Is this extension supported? - if (isset($this->mime_types[$extension])) + if (isset($this->mimes[$extension])) { - $mime_type =& $this->mime_types[$extension]; + $mime_type =& $this->mimes[$extension]; if (is_array($mime_type)) { @@ -215,7 +218,13 @@ class CI_Output { } } - $header = 'Content-Type: '.$mime_type; + if (empty($charset)) + { + $charset = config_item('charset'); + } + + $header = 'Content-Type: '.$mime_type + .(empty($charset) ? NULL : '; charset='.strtolower($charset)); $this->headers[] = array($header, TRUE); return $this; @@ -224,6 +233,26 @@ class CI_Output { // -------------------------------------------------------------------- /** + * Get Current Content Type Header + * + * @return string 'text/html', if not already set + */ + public function get_content_type() + { + for ($i = 0, $c = count($this->headers); $i < $c; $i++) + { + if (preg_match('/^Content-Type:\s(.+)$/', $this->headers[$i][0], $matches)) + { + return $matches[1]; + } + } + + return 'text/html'; + } + + // -------------------------------------------------------------------- + + /** * Set HTTP Status Header * moved to Common procedural functions in 1.7.2 * @@ -317,7 +346,7 @@ class CI_Output { // -------------------------------------------------------------------- // Set the output data - if ($output == '') + if ($output === '') { $output =& $this->final_output; } @@ -341,7 +370,7 @@ class CI_Output { if ($this->parse_exec_vars === TRUE) { - $memory = function_exists('memory_get_usage') ? round(memory_get_usage()/1024/1024, 2).'MB' : '0'; + $memory = round(memory_get_usage() / 1024 / 1024, 2).'MB'; $output = str_replace(array('{elapsed_time}', '{memory_usage}'), array($elapsed, $memory), $output); } @@ -349,7 +378,7 @@ class CI_Output { // -------------------------------------------------------------------- // Is compression requested? - if ($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($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE) { @@ -384,7 +413,7 @@ class CI_Output { // Do we need to generate profile data? // If so, load the Profile class and run it. - if ($this->enable_profiler == TRUE) + if ($this->enable_profiler === TRUE) { $CI->load->library('profiler'); if ( ! empty($this->_profiler_sections)) @@ -428,7 +457,7 @@ 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($cache_path)) { @@ -473,11 +502,11 @@ class CI_Output { * * @param object config class * @param object uri class - * @return void + * @return bool */ public function _display_cache(&$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; |