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Editorial Team
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Asked: 2026-06-12T19:28:33+00:00

Suppose a file saved on the disk: HTTP/1.1 200 OK Date: Thu, 28 Jun

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Suppose a file saved on the disk:

HTTP/1.1 200 OK
Date: Thu, 28 Jun 2012 22:11:14 GMT
Pragma: no-cache
Cache-Control: must-revalidate, no-store
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Content-Length: 1234
Connection: close
Content-Type: text/html

<html ....

Is there any builtin function in php to output the file while at the same time recognizing headers inside it and sending them correctly?

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1 Answer

  1. Editorial Team

    It does not exists but you can use the following 

    $file = "file.html";
var_dump(fileHeaders($file));

    Output

    array
  0 => string 'HTTP/1.1 200 OK' (length=15)
  1 => string 'Date: Thu, 28 Jun 2012 22:11:14 GMT' (length=35)
  2 => string 'Pragma: no-cache' (length=16)
  3 => string 'Cache-Control: must-revalidate, no-store' (length=40)
  4 => string 'Expires: Thu, 01 Jan 1970 00:00:00 GMT' (length=38)
  5 => string 'Content-Length: 1234' (length=20)
  6 => string 'Connection: close' (length=17)
  7 => string 'Content-Type: text/html' (length=23)
  8 => string '' (length=0)

    Function Used

    function fileHeaders($file) {
    $content = file_get_contents($file, null, null, 0, 1000);
    $content = trim($content);
    if (stripos($content, "HTTP") === 0) {
        return array_map("trim", explode("\n", strtok($content, "<")));
    }
    return false;
}
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