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(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 ();
?>