Are there any potential issues or limitations when using the filemtime function in PHP?

One potential issue when using the `filemtime` function in PHP is that it returns the last modified time of a file as a Unix timestamp, which may not be human-readable. To solve this issue, you can use the `date` function to format the timestamp into a more readable date format. 

$file = 'example.txt';
$lastModified = filemtime($file);
$lastModifiedFormatted = date('Y-m-d H:i:s', $lastModified);

echo "Last modified time of file $file: $lastModifiedFormatted";

Keywords

filemtime PHP limitations potential issues timestamp

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