PHP Class FOF30\Download\Adapter\Curl

Inheritance: extends AbstractAdapter, implements FOF30\Download\DownloadInterface

Protected Properties

Property	Type	Description
$headers

Method	Description
__construct ( )
downloadAndReturn ( string $url, integer $from = null, integer $to = null, array $params = [] ) : string	Download a part (or the whole) of a remote URL and return the downloaded data. You are supposed to check the size of the returned data. If it's smaller than what you expected you've reached end of file. If it's empty you have tried reading past EOF. If it's larger than what you expected the server doesn't support chunk downloads.
getFileSize ( string $url ) : integer	Get the size of a remote file in bytes

Method	Description
reponseHeaderCallback ( resource &$ch, string &$data ) : integer	Handles the HTTP headers returned by cURL

public __construct ( )

If this class' supportsChunkDownload returns false you should assume that the $from and $to parameters will be ignored.

public downloadAndReturn ( string $url, integer $from = null, integer $to = null, array $params = [] ) : string
$url	string	The remote file's URL
$from	integer	Byte range to start downloading from. Use null for start of file.
$to	integer	Byte range to stop downloading. Use null to download the entire file ($from is ignored)
$params	array	Additional params that will be added before performing the download
return	string	The raw file data retrieved from the remote URL.

Get the size of a remote file in bytes

public getFileSize ( string $url ) : integer
$url	string	The remote file's URL
return	integer	The file size, or -1 if the remote server doesn't support this feature

Handles the HTTP headers returned by cURL

protected reponseHeaderCallback ( resource &$ch, string &$data ) : integer
$ch	resource	cURL resource handle (unused)
$data	string	Each header line, as returned by the server
return	integer	The length of the $data string

protected $headers