I am trying to find a solution to get directly the file like wget does instead of reading from the stream and writing to another file, but I am not sure if this is possible.
Any suggestions?
2
- Have you tried using PHP's implementation of CURL?Jake N– Jake N2010-09-10 11:29:14 +00:00Commented Sep 10, 2010 at 11:29
- I guess cURL has the same approach of writing to a file what it reads from the source. I want to download the file without opening it and recreating its mime type and stuff like this.Elzo Valugi– Elzo Valugi2010-09-10 11:36:43 +00:00Commented Sep 10, 2010 at 11:36
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4 Answers
I also found copy which allows to copy a file from an url directly to your disk and is a oneliner without the complexity of curl or the need to create an empty file where to transfer the content of file_get_contents.
copy($file_url, $localpath); 3 Comments
Benjamin Cremer
you dont have to create an empty file. just provide an writable filepath.
Benjamin Cremer
Did not know about the copy() solution... will do some benchmarking. Sound interesting.
Benjamin Cremer
Benchmarked exec wget, copy() and curl... All have nearly same runtime and memory usage. Edited my answer for later reference. Thanks for your copy()-Solution +1.
file_put_contents($local_path, file_get_contents($file_url));
is a one liner too ;-)
The only issue with above code could be with very large files: copy could be better in that case, but see also http://www.php.net/manual/en/function.copy.php#88520
Some testing needed...
Comments
With CURLOPT_FILE you can write some filestream direct into an open filehandle (see curl_setopt).
/** * @param string $url * @param string $destinationFilePath * @throws Exception * @return string */ protected function _downloadFile($url, $destinationFilePath) { $fileHandle = fopen($destinationFilePath, 'w'); if (false === $fileHandle) { throw new Exception('Could not open filehandle'); } $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_FILE, $fileHandle); $result = curl_exec($ch); curl_close($ch); fclose($fileHandle); if (false === $result) { throw new Exception('Could not download file'); } return $destinationFilePath; } Edit based on your comments:
If you want a oneliner or want to use wget call it through exec() or system() like so:
exec('wget http://google.de/ -O google.html -q') Edit for later reference:
<?php function downloadCurl($url, $destinationFilePath) { $fileHandle = fopen($destinationFilePath, 'w'); if (false === $fileHandle) { throw new Exception('Could not open filehandle'); } $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_FILE, $fileHandle); $result = curl_exec($ch); curl_close($ch); fclose($fileHandle); if (false === $result) { throw new Exception('Could not download file'); } } function downloadCopy($url, $destinationFilePath) { if (false === copy($url, $destinationFilePath)) { throw new Exception('Could not download file'); } } function downloadExecWget($url, $destinationFilePath) { $output = array(); $return = null; exec(sprintf('wget %s -O %s -q', escapeshellarg($url), escapeshellarg($destinationFilePath)), $output, $return); if (1 === $return) { throw new Exception('Could not download file'); } } All three methods have nearly equal runtime and memory usage.
Use whatever fits best to your environment.
5 Comments
Elzo Valugi
the same. I want to download the file not to read it and recreate it.
Benjamin Cremer
Elzo: The file is written directly to a local file. It's the same as wget does.
Elzo Valugi
not directly. I have to fopen a file and fclose it. no? wget is oneliner.
Benjamin Cremer
You have to open the filehandle to write a new file. The filestream is written directly to the filehandle.
Elzo Valugi
I know about exec + wget, but I am looking for a strict php solution. Thanks
$c = file_get_contents('http://www.example.com/my_file.tar.gz'); And now write $c to local file ...
3 Comments
Elzo Valugi
read my coments. file_get_contents gives me a string that I have to write to a file. I want THE FILE not to create a copy.
Riba
I did not understand "I want the file" ... where in a php variable ? on filesystem ? where ...
Elzo Valugi
yes, on the file system. there the files stay. what you have in a variable or in memory is not a file