- session_write_close: documentation ( source)
- print_r: documentation ( source)
- session_name: documentation ( source)
- session_start: documentation ( source)
- session_unset: documentation ( source)
<?php
session_name('hello');
session_start();
$_SESSION['value'] = 42;
session_write_close();
session_unset();
$_SESSION['value'] = 52;
session_name('hello');
session_start();
print_r($_SESSION);