Displaying PDF - Printable Version +- CodeIgniter Forums (https://forum.codeigniter.com) +-- Forum: CodeIgniter 4 (https://forum.codeigniter.com/forumdisplay.php?fid=28) +--- Forum: CodeIgniter 4 Support (https://forum.codeigniter.com/forumdisplay.php?fid=30) +--- Thread: Displaying PDF (/showthread.php?tid=70908) |
Displaying PDF - donpwinston - 06-15-2018 I've been getting errors in my php_error_log file. The error occur in pairs (same timestamp). But my application runs fine. [15-Jun-2018 11:33:42 America/New_York] PHP Fatal error: Uncaught ErrorException: Cannot modify header information - headers already sent in /opt/lampp/htdocs/system/Debug/Exceptions.php:139 Stack trace: #0 [internal function]: CodeIgniter\Debug\Exceptions->errorHandler(2, 'Cannot modify h...', '/opt/lampp/htdo...', 139, Array) #1 /opt/lampp/htdocs/system/Debug/Exceptions.php(139): header('HTTP/1.1 500 In...', true, 500) #2 /opt/lampp/htdocs/system/Debug/Exceptions.php(200): CodeIgniter\Debug\Exceptions->exceptionHandler(Object(ErrorException)) #3 [internal function]: CodeIgniter\Debug\Exceptions->shutdownHandler() #4 {main} thrown in /opt/lampp/htdocs/system/Debug/Exceptions.php on line 139 The relevant code called from a controller is: PHP Code: ... Any ideas? RE: Displaying PDF - donpwinston - 06-20-2018 Has anyone tried displaying a PDF file using CI4? If I do it with the above code I get an error in my php_error_log file. But it works, I get the PDF display. If I remove the ob_clean; flush(); statements then I get the error on the screen and no PDF. RE: Displaying PDF - InsiteFX - 06-21-2018 You should be able to display it in an html iframe loading the file, but the web browser should also display it. RE: Displaying PDF - donpwinston - 04-25-2019 Use the following: $this->response->setHeader('Cache-Control', 'private'); $this->response->setHeader('Content-type', 'application/pdf'); readfile($file); |