(PECL sync >= 1.0.0)
SyncMutex::unlock — Unlocks the mutex
$all = false): boolDecreases the internal counter of a SyncMutex object. When the internal counter reaches zero, the actual lock on the object is released.
allSpecifies whether or not to set the internal counter to zero and therefore release the lock.
Returns true on success or false on failure.
Example #1 SyncMutex::unlock() example
<?php
$mutex = new SyncMutex("UniqueName");
$mutex->lock();
/* ... */
$mutex->unlock();
?>