Php > Miscellaneous

Headers

Headers

* Always send headers before any other information on the page */ 

/* HTTP Status Header (Always the first to be called) */ 
<?php 
  header("HTTP/1.0 404 Not Found"); 
?> 

<?php 
header("Location: http://www.example.com/"); /* Redirect browser */ 
exit; /* Make sure that code below does not get executed when we redirect. */ 
?> 

/* Disable caching for most clients */ 
<?php 
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");    // Date in the past 
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); 
                                                     // always modified 
header("Cache-Control: no-store, no-cache, must-revalidate");  // HTTP/1.1 
header("Cache-Control: post-check=0, pre-check=0", false); 
header("Pragma: no-cache");                          // HTTP/1.0 
?> 

/* Output file of type: PDF */ 
<?php 
// We'll be outputting a PDF 
header("Content-type: application/pdf"); 

// It will be called downloaded.pdf 
header("Content-Disposition: attachment; filename=downloaded.pdf"); 

// The PDF source is in original.pdf 
readfile('original.pdf'); 
?>