php clear session variable code example

Example 1: php unset session variable

// Destroy a sesion variable name 'variable_name' 
<?php
unset($_SESSION['variable_name']);
?>

Example 2: clear session php

<?php
   unset($_SESSION['counter']);
?>

Example 3: destroy session php

<?php 
 session_start(); // start session
 session_destroy();  // Delete whole session
// OR
unset($_SESSION['username']); // delete any specific session only
?>

Example 4: php clear session

<?php
session_destroy();
?>