Home  >  Article  >  Backend Development  >  How to get file content modification time in php

How to get file content modification time in php

王林
王林Original
2020-07-14 15:46:572877browse

The method for PHP to obtain the modification time of file content is: it can be achieved through the filemtime() function. The filemtime() function will return the last modification time of the file contents in the form of a Unix timestamp. Function syntax: [filemtime(filename)].

How to get file content modification time in php

#To obtain the file content modification time, you can use the filemtime() function.

(Recommended tutorial: php tutorial)

Function introduction:

filemtime() function returns the last modification time of the file content.

If successful, this function will return the last modification time of the file contents in the form of a Unix timestamp. On failure, returns FALSE.

Syntax structure:

filemtime(filename)

Parameter introduction:

  • filename Required. Specifies the documents to be checked.

Code implementation:

<?php
echo filemtime("test.txt");
echo "<br />";
echo "Last modified: ".date("F d Y H:i:s.",filemtime("test.txt"));
?>

Output result:

1139919766
Last modified: February 14 2006 13:22:46.

The above is the detailed content of How to get file content modification time in php. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn