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Course Queries Syllabus Queries 2 years ago
Posted on 16 Aug 2022, this text provides information on Syllabus Queries related to Course Queries. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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I want to force a download of a pdf file stored on the server.
My attempts so far result in a damaged pdf file.
class="w3-row"> class="w3-col l8 s12"> class="w3-card-4 w3-margin w3-white "> class="w3-display-container"> class="w3-teal w3-center"> <b> You can download you syllabus here b> <br> class="w3-container " style="color: darkblue;">php echo $branch ?> class="w3-container">php echo $sem ?> <br> download.php?filedir='php echo " script/ ".$dir ?>&filename= php echo $name ?> ' ">Download <br> <br>
below is the download.php
$path = $_GET['filedir'] ; $filename = $_GET['filename']; header('Connection: Keep-Alive'); header('Content-Description: File Transfer'); header('Content-Type: application/octet-stream'); //header('Content-Disposition: attachment; filename="'.basename($filename).'"'); header('Content-Transfer-Encoding: binary'); header('Expires: 0'); header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); header('Pragma: public'); header('Content-Length: ' . filesize($filename)); ob_clean(); flush(); readfile($path);
You have issue here when you get filename using basename
basename
$path = $_GET['filedir'] ; $filename = $_GET['filename']; header('Connection: Keep-Alive'); header('Content-Description: File Transfer'); header('Content-Type: application/octet-stream'); //header('Content-Disposition: attachment; $filename=basename($filename); //change this line; header('Content-Transfer-Encoding: binary'); header('Expires: 0'); header('Cache-Control: must-revalidate, post-check=0, pre-check=0'); header('Pragma: public'); header('Content-Length: ' . filesize($filename)); ob_clean(); flush(); readfile($path);
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