تابع ‎is_readable()‎‎ در PHP

<?php
$file = "test.txt";
if(is_readable($file)) {
  echo ("$file is readable");
} else {
  echo ("$file is not readable")
}
?>
<?php
$file = "test.txt";
if(is_readable($file)) {
  echo ("$file is readable");
} else {
  echo ("$file is not readable")
}
?>اجرای کد