<?php
$path = getcwd();
$filePath = $path . "/file.txt";
//file size
$fileSize = filesize($filePath);
//file creation time
$dateChanges = filectime($filePath);
//is readable file
$isReadable = is_readable($filePath);
//is writable file
$isWritable = is_writable($filePath);
$info = pathinfo($filePath);
//file extension
$extension = $info["extension"];
//file directory
$fileDir = $info["dirname"];
//file name
$fileName = $info["basename"];
echo "fileSize = ", $fileSize, "\n";
echo "dateChanges = ", date("F d Y H:i:s.", $dateChanges), "\n";
echo "isReadable = ", var_dump($isReadable);
echo "isWritable = ", var_dump($isWritable);
echo "extension = ", $extension, "\n";
echo "fileDir = ", $fileDir, "\n";
echo "fileName = ", $fileName, "\n";