phpeveryday.com

<?php
$f = "test.txt";

// file type
$type = filetype($f);
echo "Type is ".$type;

// file size
$size = filesize($f);
echo "Size is ".$size." bytes ";

// writeable?
echo is_writable($f) ? "writable" : "not writable";

// readable?
echo is_readable($f) ? "readable" : "not readable";

// executable?
echo is_executable($f) ? "executable" : "not executable";


?>