PHP Save Feedback - A simple script to store some input field data into a local text file

php-save-feedback.php

<?php
$date = date ("l, F jS, Y"); 
$time = date ("h:i A"); 
$msg = "";

if ($_SERVER['REQUEST_METHOD'] == "POST") {
    foreach ($_POST as $key => $value) { 
        $msg .= ucfirst ($key) ." : ". $value . "\n"; 
    }
}
else {
    foreach ($_GET as $key => $value) { 
        $msg .= ucfirst ($key) ." : ". $value . "\n"; 
    }
}

$file = 'feedback.txt';
$current = file_get_contents($file);
$current .= " -- \n";
$current .= $date . ' ' . $time . "\n";
$current .= $_SERVER['HTTP_USER_AGENT'] . "\n";
$current .= $msg;

if (file_put_contents($file, $current)) { 
	echo "yay";
	} else { 
	echo "fail"; 
	}

if ($msg == "") { 
	echo "fail message did not work";
	}