(PECL sync >= 1.0.0)
SyncSemaphore::unlock — Increases the count of the semaphore
&$prevcount
= ?): boolIncreases the count of a SyncSemaphore object.
prevcount
Returns the previous count of the semaphore.
Returns true
on success or false
on failure.
Example #1 SyncSemaphore::unlock() example
<?php$semaphore = new SyncSemaphore("LimitedResource_2clients", 2);if (!$semaphore->lock(3000)){ echo "Unable to lock semaphore."; exit();}/* ... */$semaphore->unlock();?>