$myfile = "./test.txt";
$openfile = fopen ($myfile,"a") or die ("Couldn't open the file");
fwrite ($openfile,"Have a nice day! \n");
fclose ($openfile);
$openfile = fopen ($myfile,"r") or die ("Couldn't open the file");
$file_size=filesize($myfile);
$file_contents = fread ($openfile,$file_size);
$msg ="$file_contents";
fclose ($openfile);
echo $msg;
?>