在文档查看器中查看存储为BLOB数据类型的文档？

Question

i have a website in which when a user uploads a file or document it is stored in database in BLOB datatype. Also there is a download link which retrives the document from database and lets the user download. now i want this document to be viewed in a document viewer like google doc viewer,how do i go about doing this ?

Answer 1

if you know the type of the file being downloaded you can use some thing like Simple example:

$blob = "some data";

header('Content-type: image/jpeg'); // e.g. if a JPEG image
echo $blob;