<?php    echo "readfile function:<br>";    readfile("tm.txt");    echo "<br>";    echo "file function:<br>";    $f_arr = file("tm.txt");    foreach ($f_arr as $cont) {        echo $cont."<br>";    }    echo "file_get_contents function:<br>";    $f_chr = file_get_contents(‘tm.txt‘);    echo $f_chr;        ?>