How to make PDF file downloadable in HTML link using PHP ?
Last Updated :
01 Aug, 2021
To Download PDF from HTML link using PHP with the help of header() function in php. The header()function is used to send a raw HTTP header. Sometimes it wants the user to be prompted to save the data such as generated PDF.
Syntax:
http response headers to download any application
header("Content-Type: application/octet-stream");
http response headers to set composition and file to download
header('Content-Disposition: attachment; filename="downloaded.pdf"');
The length of the requested file need to download
header("Content-Length: " . filesize("download.pdf"));
Reads a file and writes it to the output buffer.
readfile('original.pdf');
.
Note: Remember that HTTP header() must be called before any actual output is sent, either by normal HTML tags, blank lines in a file or from PHP.
Example 1: Save below HTML file as htmllinkpdf.html and save PHP file as downloadpdf.php
- Below example to illustrate concept of downloading PDF file using HTML link.
- Here downloading file appears to be PDF format but without any content which shows error on opening in any application
- HTML code:
<!DOCTYPE html>
<html>
<head>
<title>Download PDF using PHP from HTML Link</title>
</head>
<body>
<center>
<h2 style="color:green;">Welcome To GFG</h2>
<p><b>Click below to download PDF</b>
</p>
<a href="gfgpdf.php?file=gfgpdf">Download PDF Now</a></center>
</body>
</html>
|
- PHP code:
<?php
$file = $_GET["file"] .".pdf";
header('Content-Type: application/pdf');
header('Content-Disposition: attachment; filename="gfgpdf.pdf"');
$imagpdf = file_put_contents($image, file_get_contents($file));
echo $imagepdf;
?>
|
- Output:
Below example illustrates the concept of downloading PDF file locally (i.e. read gfgpdf.pdf file from local ) using HTML link.
Example 2: Save HTML file as htmllinkpdf.html and save PHP file as downloadpdf.php
- HTML code:
<!DOCTYPE html>
<html>
<head>
<title>Download PDF using PHP from HTML Link</title>
</head>
<body>
<center>
<h2 style="color:green;">Welcome To GFG</h2>
<p><b>Click below to download PDF</b>
</p>
<a href="downloadpdf.php?file=gfgpdf">Download PDF Now</a>
</center>
</body>
</html>
|
- PHP code:
<?php
header("Content-Type: application/octet-stream");
$file = $_GET["file"] . ".pdf";
header("Content-Disposition: attachment; filename=" . urlencode($file));
header("Content-Type: application/download");
header("Content-Description: File Transfer");
header("Content-Length: " . filesize($file));
flush();
$fp = fopen($file, "r");
while (!feof($fp)) {
echo fread($fp, 65536);
flush();
}
fclose($fp);
?>
|
- Output:
PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples.
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