My data is not sended to database through PHP - php

Question

I have a form on a website. I need to save my information to database. I made a database in localhost but when I click on submit it displays the whole code of register.php in the same page and no data saved in database,i have placed all the files in htdocs. I have form in index.html and register.php file is seperate. Here the php file:
<?php
mysql_connect('localhost','root','');
if(!$link){
die('could not connect: ' . mysql_error());
}
echo 'connected successfully';
mysql_select_db(learnqurandb);
$name = $_post['fullname'];
$email = $_post['email'];
$mobile = $_post['mobile'];
$country = $_post['country'];
$course = $_post['course'];
$skype_id = $_post['skype'];
if($name == ""){
echo "<script>alert('please enter your name')</script>";
exit();
}
if($email == ""){
echo "<script>alert('please enter your E-mail')</script>";
exit();
}
if($mobile == ""){
echo "<script>alert('please enter your Mobile Numbet')</script>";
exit();
}
if($country == ""){
echo "<script>alert('please enter your country name')</script>";
exit();
}
if($course == ""){
echo "<script>alert('please select your desire course')</script>";
exit();
}
if($skype_id == ""){
echo "<script>alert('please enter your Skype ID')</script>";
exit();
}
$check_skype_id = "select * from learnquran where skype = '$skype_id";
$count = mysql_query('$check_skype_id');
if(mysql_num_rows ($count) > 0){
echo"<script>alert('Skype_id $skype_id is already exists, please try another one.')</script>";
exit();
}
$query = "INSERT INTO registration (fullname,email,mobile,country,course,skype) values('$name','$email','$mobile','$country','$course','$skype_id')";
if(mysql_query ($query)){
echo "<script>alert('Registration Successfull')</script>";
}
}
?>
my html form is this
<div id="form_div">
<h2>Quick Registration</h2>
<form name="Form1" method="post" action="register.php" />
<label for="name">Name:</label>
<input type="text" name="fullname" id="fname" /><br><br>
<label for="email">Email:</label>
<input type="text" name="email" id="user_email" /><br><br>
<label for="mobile">Mobile:</label>
<input type="text" name="mobile" id="user_mobile" /><br><br>
<label for="country">Country:</label>
<input type="text" name="country" id="user_country" /><br><br>
<label for="skype">Skype ID:</label>
<input type="text" name="skype" id="skype_id" /><br><br>
<label for="course">Course:</label>
<select name="course" id="desired_course" ><br><br>
<option value="Select course..." selected>Select course</option><br>
<option value="Quran Reading">Quran Reading</option>
<option value="Memorizing the Holy Quran">Memorizing Holy Quran</option>
</select><br><br>
<input type="submit" class="submit" id="button1" value=""/>
</form>
</div>

Answer 1

You should be using PDO instead of mysql_connect as it has been deprecated as of PHP 5.5.0. Please view this tutorial on how to use PDO. Here's more information about it: http://php.net/manual/en/function.mysql-connect.php
https://www.youtube.com/watch?v=QtCdk459NFg&list=PLfdtiltiRHWHkDwEoZ29Q9FKtWVjA46HC
As for your code just displaying on your screen, make sure that your server has php enabled.