تابع ‎touch()‎‎ در PHP

<?php
filename = "test.txt";
if (touch($filename)) {
  echo  $filename . " modification time has been changed to present time";
} else {
   echo "Sorry, could not change modification time of " . $filename;
}
?>
<?php
filename = "test.txt";
if (touch($filename)) {
  echo  $filename . " modification time has been changed to present time";
} else {
   echo "Sorry, could not change modification time of " . $filename;
}
?>اجرای کد