【php开源代码栏目提醒】:网学会员在php开源代码频道为大家收集整理了flock.php提供大家参考,希望对大家有所帮助!
<?php
$fp = fopen("hello/student.txt", "w+");
if (flock($fp, LOCK_EX)) { // 进行排它型锁定
fwrite($fp, "Write something here\n");
flock($fp, LOCK_UN); // 释放锁定
} else {
echo "Couldn't lock the file !";
}
fclose($fp);
?>