Beginner: How to use Session in PHP development? _PHP Tutorial

How to use Session?

//Must be added before use;
session_start();
?>
//Consider we have When considering whether to write session
if (isset($_POST[userid])){
//If you really agree to write:
$_SESSION[userid] = $ccdot

}else{
//or return cannot be written to session
}
?>

When you want to clear:

session_start();
unset($_SESSION[userid]); //OR : session_register(username);

The main function of the session_unregister() function is to unregister the current A session variable. But please note that if you use $HTTP_SESSION_VARS or $_SESSION on the current page

http://www.bkjia.com/PHPjc/509208.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/509208.htmlTechArticleHow to use Session? ?php //Must be added before use; session_start(); ? ?php // Consider that we sometimes consider whether to write session if(isset($_POST[userid])){ //If we really agree to write...