title: How can print multiple pdf files by reading from source and send to printer
body: <p>I already tested window.print() command for this purpose but it is not fulfill my requirement.
  I also used print content of iframe in which source is pdf file but it is only work in chrome not in other browser.</p>
  
  <p>I want to print pdf files automatically using code instead of open file and print it.
  For example there are two files such as 1.pdf and 2.pdf in any directory and source is given then how can print both files using either javascript or php or both.</p>
  
  <p>I already tested window.print() command for this purpose but it is not fulfill my requirement.</p>
  
  <p>My required as image as:</p>
  
  <p><img src="https://i.stack.imgur.com/SXUGt.jpg" alt="enter image description here"></p>
  
  <p>Million thanks in advance.</p>