public function FileExampleSessionStreamWrapper::stream_lock

Support for flock().

The $_SESSION variable has no locking capability, so return TRUE.

Parameters

int $operation: One of the following:

• LOCK_SH to acquire a shared lock (reader).
• LOCK_EX to acquire an exclusive lock (writer).
• LOCK_UN to release a lock (shared or exclusive).
• LOCK_NB if you don't want flock() to block while locking (not supported on Windows).

Return value

bool: Always returns TRUE at the present time. (no support)

Overrides StreamWrapperInterface::stream_lock

See also

http://php.net/manual/en/streamwrapper.stream-lock.php

File

modules/examples/file_example/file_example_session_streams.inc, line 302

Provides a demonstration session:// stream-wrapper.

Class

FileExampleSessionStreamWrapper

Example stream wrapper class to handle session:// streams.

Code

public function stream_lock($operation) {
  return TRUE;
}