1 file.inc | file_stream_wrapper_get_instance_by_uri($uri) |
Returns a reference to the stream wrapper class responsible for a given URI.
The scheme determines the stream wrapper class that should be used by consulting the stream wrapper registry.
Parameters
$uri: A stream, referenced as "scheme://target".
Return value
BackdropStreamWrapperInterface: Returns a new stream wrapper object appropriate for the given URI or FALSE if no registered handler could be found. For example, a URI of "private://example.txt" would return a new private stream wrapper object (BackdropPrivateStreamWrapper).
Related topics
File
- core/
includes/ file.inc, line 312 - API for handling file uploads and server file management.
Code
function file_stream_wrapper_get_instance_by_uri($uri) {
$scheme = file_uri_scheme($uri);
if (!$scheme || !file_stream_wrapper_valid_scheme($scheme)) {
return FALSE;
}
$class = file_stream_wrapper_get_class($scheme);
if (class_exists($class)) {
/* @var BackdropStreamWrapperInterface $instance */
$instance = new $class();
$instance->setUri($uri);
return $instance;
}
else {
return FALSE;
}
}