<?php
if($_POST&#91;'Submit']){
$open = fopen("general.txt","w+");
$text = $_POST&#91;'update'];
fwrite($open, $text);
fclose($open);
echo "File updated.&lt;br />"; 
echo "File:&lt;br />";
$file = file("myfile.txt");
foreach($file as $text) {
echo $text."&lt;br />";
}
}else{
$file = file("textfile.txt");
echo "&lt;form action=\"".$PHP_SELF."\" method=\"post\">";
echo "&lt;textarea Name=\"update\" cols=\"50\" rows=\"10\">";
foreach($file as $text) {
echo $text;
} 
echo "&lt;/textarea>";
echo "&lt;input name=\"Submit\" type=\"submit\" value=\"Update\" />\n
&lt;/form>";
}
?>