1. Go to this page and download the library: Download fab2s/filelock library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
fab2s / filelock example snippets
$filePath = "/some/dir/some.file.ext";
$lock = new FileLock($filePath, Filelock::LOCK_EXTERNAL); // will create /some/dir/some/file.ext.lock or /tmp/sha1(/some/dir/some)_file.ext.lock
$filePath = "/some/dir/some.file.ext";
$lock = new FileLock($filePath, Filelock::LOCK_SELF); // will directtly flock() /some/dir/some/file.ext
$lock->doLock(true);
// we either own the lock or php timed out
if ($lock->doLock()) {
// we got the lock
}
$isLocked = $lock->setLockTry(5) // default is 3
->setLockWait(0.01) // default is 0.1 second
->obtainLock(); // will try 5 times and wait 0.01 second in between
if ($isLocked) { // could call $lock->isLocked()
// we got the lock
}
$lockHandle = $lock->getHandle();
$lock->unLock(); // doing so also fclose() underlying handle
/**
* @param string $file
* @param string $mode fopen() mode
* @param int|null $maxTries 0|null for single non blocking attempt
* 1 for a single blocking attempt
* 1-N Number of non blocking attempts
* @param float|null $lockWait Time to wait between attempts in second
*
* @return null|static
*/
public static function open($file, $mode, $maxTries = null, $lockWait = null)
$filePath = "/some/dir/some.file.ext";
$mode = 'wb'; // any fopen() mode
$fileLock = Filelock::open($filePath, $mode); // returns null or FileLock instance
if ($fileLock) {
// we got it opened and locked
$handle = $fileLock->getHandle();
}
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