Installing php

Original - php Code <?php $Submit = $_POST["Submit"]; $Name = $_POST["Name"]; $E-mail = $_POST["Email"]; $Website = $_POST["Website"]; $Comment = $_POST["Comments"]; $NumLow = $_REQUEST["NumLow"]; $NumHigh = $_REQUEST["NumHigh"]; then some more stuff then if ($Submit == "Yes") { $filename = "GuestBook.txt"; $fp = fopen( $filename,"r"); $OldData = fread($fp, 80000); fclose( $fp ); $Today = (date ("l dS of F Y ( h:i:s A )",time())); $Input = "Name: <b>$Name</b><br>E-mail: <b><u><a href="mailto:$Email">$Email</a></u></b><br>Website: <b><u><a href="http://$Website" target="_blank">$Website</a></u></b><br><b>$Comments: <b>$Comments</b><br><i><font size="-1">Date: $Today</font><br><br>.:::."; $New = "$Input$OldData"; $fp = fopen( $filename,"w"); if(!$fp) die("&GuestBook=cannot write $filename ......&"); fwrite($fp, $New, 800000); fclose( $fp ); $filename = "GuestBook.txt"; $fp = fopen( $filename,"r"); $Data = fread($fp, 800000); fclose( $fp ); $DataArray = split (".:::.", $Data); $NumEntries = count($DataArray) - 1; print "&TotalEntries=$NumEntries&NumLow=$NumLow&NumHigh=$NumHigh&GuestBook="; for ($n = $NumLow; $n < $NumHigh; $n++) { print $DataArray[$n]; if (!$DataArray[$n]) { Print "<br><br><b>No More entries</b>"; exit; } }

 
<?php
 
$Submit     = $_POST["Submit"];
$Name           = $_POST["Name"];
$E-mail     = $_POST["Email"];
$Website    = $_POST["Website"];
$Comment    = $_POST["Comments"];
$NumLow     = $_REQUEST["NumLow"];
$NumHigh    = $_REQUEST["NumHigh"];
 
then some more stuff then 
if ($Submit == "Yes") {
 
    $filename   = "GuestBook.txt";
$fp         = fopen( $filename,"r"); 
    $OldData    = fread($fp, 80000); 
    fclose( $fp );
 $Today         = (date ("l dS of F Y ( h:i:s A )",time()));
$Input = "Name: <b>$Name</b><br>E-mail: <b><u><a href="mailto:$Email">$Email</a></u></b><br>Website: <b><u><a href="http://$Website" target="_blank">$Website</a></u></b><br><b>$Comments: <b>$Comments</b><br><i><font size="-1">Date: $Today</font><br><br>.:::.";
$New = "$Input$OldData";
$fp = fopen( $filename,"w"); 
    if(!$fp) die("&GuestBook=cannot write $filename ......&");
    fwrite($fp, $New, 800000); 
    fclose( $fp ); 
$filename = "GuestBook.txt";
$fp     = fopen( $filename,"r"); 
    $Data   = fread($fp, 800000); 
    fclose( $fp );
$DataArray = split (".:::.", $Data);
$NumEntries = count($DataArray) - 1;
print "&TotalEntries=$NumEntries&NumLow=$NumLow&NumHigh=$NumHigh&GuestBook=";
    for ($n = $NumLow; $n < $NumHigh; $n++) {
    print $DataArray[$n];
        if (!$DataArray[$n]) {
            Print "<br><br><b>No More entries</b>";
        exit;
        }
    }