(PECL sync >= 1.0.0)
SyncReaderWriter::writeunlock — Releases a write lock
Releases a write lock on a SyncReaderWriter object.
此函数没有参数。
A boolean of TRUE if the unlock operation was successful, FALSE otherwise.
Example #1 SyncReaderWriter::writeunlock() example
<?php
$readwrite = new SyncReaderWriter("FileCacheLock");
$readwrite->writelock();
/* ... */
$readwrite->writeunlock();
?>