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<SyncMutex::lockSyncSemaphore>
^SyncMutexLast updated: Mon, 26 Oct 2026

SyncMutex::unlock

(PECL sync >= 1.0.0)

SyncMutex::unlock — Unlocks the mutex

Description

public function SyncMutex::unlock(bool $all = false): bool

Decreases the internal counter of a SyncMutex object. When the internal counter reaches zero, the actual lock on the object is released.

Parameters

all

Specifies whether or not to set the internal counter to zero and therefore release the lock.

Return Values

Returns true on success or false on failure.

Examples

Example #1 SyncMutex::unlock() example

<?php
$mutex = new SyncMutex("UniqueName");

$mutex->lock();

/* ... */

$mutex->unlock();
?>

See Also


<SyncMutex::lockSyncSemaphore>
^SyncMutexLast updated: Mon, 26 Oct 2026