PHP 인터페이스 FOF30\Download\DownloadInterface

공개 메소드들

메소드	설명
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
getName ( ) : string	Returns the name of this download adapter in use
getPriority ( ) : boolean	Get the priority of this adapter. If multiple download adapters are supported on a site, the one with the highest priority will be used.
isSupported ( ) : boolean	Is this download class supported in the current server environment?
supportsChunkDownload ( ) : boolean	Does this download adapter support downloading files in chunks?
supportsFileSize ( ) : boolean	Does this download adapter support reading the size of a remote file?

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
리턴	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
리턴	integer	The file size, or -1 if the remote server doesn't support this feature

Returns the name of this download adapter in use

public getName ( ) : string
리턴	string

Get the priority of this adapter. If multiple download adapters are supported on a site, the one with the highest priority will be used.

public getPriority ( ) : boolean
리턴	boolean

Is this download class supported in the current server environment?

public isSupported ( ) : boolean
리턴	boolean	True if this server environment supports this download class

Does this download adapter support downloading files in chunks?

public supportsChunkDownload ( ) : boolean
리턴	boolean	True if chunk download is supported

Does this download adapter support reading the size of a remote file?

public supportsFileSize ( ) : boolean
리턴	boolean	True if remote file size determination is supported