Get last 7 days modified files php

Get last 7 days modified files php

$filename = "filename.php";
$aweekago = date('Y-m-d',strtotime('-7 days'));  // here you can give your own days
$today = date('Y-m-d');

if (file_exists($filename)) {
    if($aweekago < date ("Y-m-d", filemtime($filename))){
        echo " [ ".date ("F d Y H:i:s.", filemtime($filename))." ]";
    }
}