Go back to previous page with help of php or javascript

Hello to all, welcome to therichpost.com. In this post, i will tell you, how to Go back previous page with help of php or javascript?

Php and Javascript both are very famous and top languages.

Here is working for Go back to previous page with help of php or javascript:

//JavaScript
<input type="button" value="Go Back From Whence You Came!" onclick="history.back(-1)" />

//or
<button onclick="goBack()">Go Back</button>
<script>
function goBack() {
    window.history.back();
}
</script>

//PHP
<?php
  $url = htmlspecialchars($_SERVER['HTTP_REFERER']);
  echo "<a href='$url'>back</a>"; 
?>

//or

<?php header('Location: ' . $_SERVER['HTTP_REFERER']); ?>

 There are so many tricks in php and javascript and i will let you know all. Please do comment if you any query related            to this post. Thank you. Therichpost.com.