Code Examples -> Using cURL to download a file programmatically.

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PHP Code Examples

Title :	Using cURL to download a file programmatically.
Categories :	PHP, PHP Extensions, CURL	bastien koert
Date :	Sep 17th 2004
Grade :	4 of 5 (graded 6 times)
Viewed :	89347
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Images :	No Images for this code example.

Search :	More code by bastien koert
Action :	Grade This Code Example
Tools :	My Examples List

Code

Using cURL (PHP's client URL extension) to download a file programmatically.

Hi All,

Here is a simple function using cURL to download a remote file. My goal here
was to access a remote wav file hosted on another server and import it into my
system.

Steps:
1. Enable cURL (see http://ca3.php.net/manual/en/ref.curl.php).
For windows: In order to enable this module on a Windows environment, you must copy
libeay32.dll and ssleay32.dll from the DLL folder of the PHP/Win32 binary
package to the SYSTEM folder of your Windows machine.
(Ex: C:\WINNT\SYSTEM32 or C:\WINDOWS\SYSTEM)

2. Uncomment the cURL extension in the php.ini file:
extension=php_curl.dll

Functionality:
1. Its a function and accepts three parameters (you can, of course, change this)
get_file1($file, $local_path, $newfilename)
$file : is the filename of the object to be retrieved
$local_path : is the local path to the directory to store the object
$newfilename : is the new file name on the local system

2. To use it:

<?php
$wav_file = get_file1($filename, $local_path, $newfilename);
?>

cURL returns true on success and false on failure.

The function:

<?php
function get_file1($file, $local_path, $newfilename)
{
$err_msg = '';
echo "<br>Attempting message download for $file<br>";
$out = fopen($newfilename, 'wb');
if ($out == FALSE){
print "File not opened<br>";
exit;
}

$ch = curl_init();

curl_setopt($ch, CURLOPT_FILE, $out);
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_URL, $file);

curl_exec($ch);
echo "<br>Error is : ".curl_error ( $ch);

curl_close($ch);
//fclose($handle);

}//end function
?>

Happy coding.

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User Comments

Mark Dhas wrote :1812
I don't believe this code actually uses the localpath variable, so by default this file should save to the cwd (current working directory). To save the file to the directory of your choosing change the following line <?php $out = fopen($newfilename,"wb"); ?> to <?php $out = fopen($localpath.$newfilename,"wb"); ?>