How to open a PDF inside a php file - Restrict access to pdf files using php

Following code will show you how to open a pdf file inside a php file. This will allow you to restrict access to it. you can use some if else logic to control to display who see the pdf or who does not.

<?php

//you can get data from database in here
$user = 'some value';

if($user == 'some value')
{
  $file = "test.pdf";
  header('Content-type: application/pdf');
  header("Content-Disposition: inline; filename=".$file);

  //this line will make the file directly download
  /* header("Content-Disposition: attachment; filename=".$file); */
 
  header('Cache-control: private');
  header('Expires: 0');
  readfile($file);
}
else
{
  echo 'you cannot access this file'; 
}
?>

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