How to get the latest modification time of a file by php

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In php, you can use the filemtime () function to get the latest modification time of the file, which is used to get and return the time of the last modification of the file (in the form of a timestamp), with the syntax "filemtime (file path to be checked)".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, you can use the filemtime () function to get the latest modification time of the file.

The filemtime () function returns the last modification time of the file content; if successful, it returns the last modification time of the file content in the form of a Unix timestamp. If it fails, FALSE is returned.

Because the filemtime () function returns the modification time in the form of a timestamp, we can use the date () function to format it into a readable time format.

Let's open the properties panel of index.phpd to see if the modification time is correct:

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