php man page for wincache_unlock

WINCACHE_UNLOCK(3)							 1							WINCACHE_UNLOCK(3)

wincache_unlock - Releases an exclusive lock on a given key

SYNOPSIS
       bool wincache_unlock (string  $key)

DESCRIPTION
	Releases  an  exclusive  lock that was obtained on a given key by using wincache_lock(3). If any other process was blocked waiting for the
       lock on this key, that process will be able to obtain the lock.

       Warning

	       Using of the wincache_lock(3) and wincache_unlock(3) can cause deadlocks when executing PHP scripts in a multi-process  environment
	      like  FastCGI. Do not use these functions unless you are absolutely sure you need to use them. For the majority of the operations on
	      the user cache it is not necessary to use these functions.

PARAMETERS
	      o $key
		- Name of the key in the cache to release the lock on.

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

EXAMPLES
       Example #1

	      Using wincache_unlock(3)

	      <?php
	      $fp = fopen("/tmp/lock.txt", "r+");
	      if (wincache_lock("lock_txt_lock")) { // do an exclusive lock
		  ftruncate($fp, 0); // truncate file
		  fwrite($fp, "Write something here
");
		  wincache_unlock("lock_txt_lock"); // release the lock
	      } else {
		  echo "Couldn't get the lock!";
	      }
	      fclose($fp);
	      ?>

SEE ALSO
       wincache_lock(3),    wincache_ucache_set(3),    wincache_ucache_get(3),	  wincache_ucache_delete(3),	wincache_ucache_clear(3),     win-
       cache_ucache_exists(3), wincache_ucache_meminfo(3), wincache_ucache_info(3), wincache_scache_info(3).

PHP Documentation Group 													WINCACHE_UNLOCK(3)