OCI-Lob::export()
(PHP 5, PHP 7, PECL OCI8 >= 1.1.0)
Exports LOB's contents to a file
说明
OCI-Lob::export(string $filename[,int $start[,int $length]]): bool
Exports LOB contents to a file.
参数
- $filename
Path to the file.
- $start
Indicates from where to start exporting.
- $length
Indicates the length of data to be exported.
返回值
成功时返回TRUE
,或者在失败时返回FALSE
。
参见
- OCI-Lob::import
Please note, that contents of LOB is cleared after this operation. If you want to use LOB data after exporting it to file, you should read it from file with file_get_contents(). This will not work: <?php if($blob) { $filename = DOCUMENT_ROOT."/".$bildId.".jpg"; if($blob->export($filename)) { while(!$blob->eof()){ $dbResult .= $blob->read(2000); } } else { throw new Exception("Can not save the file ".$filename."!"); } } ?> Use this instead: <?php if($blob) { $filename = DOCUMENT_ROOT."/".$bildId.".jpg"; if($blob->export($filename)) { $dbResult = file_get_contents($filename); } else { throw new Exception("Can not save the file ".$filename."!"); } } ?>