php session delete key code example
Example 1: php delete session
session_destroy(); // To delete whole session
// OR
unset($_SESSION['myVar']); // To delete a session var
Example 2: unset session key
unset($_SESSION['variable_name']);
session_destroy(); // To delete whole session
// OR
unset($_SESSION['myVar']); // To delete a session var
unset($_SESSION['variable_name']);