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@damienalexandre
Created October 3, 2011 09:47
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Download large file from the web via php
<?php
/**
* Download a large distant file to a local destination.
*
* This method is very memory efficient :-)
* The file can be huge, PHP doesn't load it in memory.
*
* /!\ Warning, the return value is always true, you must use === to test the response type too.
*
* @author dalexandre
* @param string $url
* The file to download
* @param ressource $dest
* The local file path or ressource (file handler)
* @return boolean true or the error message
*/
public static function downloadDistantFile($url, $dest)
{
$options = array(
CURLOPT_FILE => is_resource($dest) ? $dest : fopen($dest, 'w'),
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_URL => $url,
CURLOPT_FAILONERROR => true, // HTTP code > 400 will throw curl error
);
$ch = curl_init();
curl_setopt_array($ch, $options);
$return = curl_exec($ch);
if ($return === false)
{
return curl_error($ch);
}
else
{
return true;
}
}
@eviewer-uk
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Great snippet, saved me a bunch of time transferring files between servers, good job! Transferred 1.2Gb file in around 30 seconds

@littleomie
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Nicely done. Thanks mate!

@maximsymfony
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maximsymfony commented Apr 4, 2023

    public static function uploadFromRemoteServer(string $remoteFileURL, mixed $destinationFilepath): string|bool
    {
        $options = [
            CURLOPT_URL             => $remoteFileURL,
            CURLOPT_FILE            => is_resource($destinationFilepath) ? $destinationFilepath : fopen($destinationFilepath, 'wb'),
            CURLOPT_FOLLOWLOCATION  => true,
            CURLOPT_FAILONERROR     => true,
        ];

        $curl           = curl_init();
        curl_setopt_array($curl, $options);
        $returnResult   = curl_exec($curl);

        return (false === $returnResult) ? curl_error($curl) : true;
    }

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