使用flock函数
本帖最后由 _only 于 2023-2-10 13:48 编辑使用flock函数实例
08.txt文件内容：heightman
<?php
$filename = '08.txt';
$fd = fopen($filename,'w');
flock($fd,LOCK_EX);
fwrite($fd,"heightman1");
flock($fd,LOCK_UN);
fclose($fd);
readfile($filename);
?>
执行结果：
heightman1
Our magical reformed lobar subcutaneous existing opioids.
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