php filemtime() function is used to obtain the file modification time.
php filemtime() function Syntax
Function: Return the last modification time of the file content.
Syntax:
filemtime(filename)
Parameters:
filename required. Specifies the documents to be checked.
Note: If successful, the time will be returned as a Unix timestamp. On failure, returns false.
php filemtime() function example
<?php $file = filemtime("./test.txt"); echo "文件上一次修改的时间为:".$file; ?>
This article is an introduction to the PHP filemtime function. I hope it will be helpful to friends in need!
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