Answers for "how to create sessions in php"

php sessions

<?php
  	// Start new or resume existing session.
  	session_start();
	
	// Add values to the session.
	$_SESSION['item_name'] = 'value'; // string
	$_SESSION['item_name'] = 0; // int
	$_SESSION['item_name'] = 0.0; // float

	// Get session values.
	$value = $_SESSION['item_name'];
?>

new session php

Creating New Session
==========================
<?php
session_start();
/*session is started if you don't write this line can't use $_Session  global variable*/
$_SESSION["newsession"]=$value;
?>
Getting Session
==========================
<?php
session_start();
/*session is started if you don't write this line can't use $_Session  global variable*/
$_SESSION["newsession"]=$value;
/*session created*/
echo $_SESSION["newsession"];
/*session was getting*/
?>
Updating Session
==========================
<?php
session_start();
/*session is started if you don't write this line can't use $_Session  global variable*/
$_SESSION["newsession"]=$value;
/*it is my new session*/
$_SESSION["newsession"]=$updatedvalue;
/*session updated*/
?>
Deleting Session
==========================
<?php
session_start();
/*session is started if you don't write this line can't use $_Session  global variable*/
$_SESSION["newsession"]=$value;
unset($_SESSION["newsession"]);
/*session deleted. if you try using this you've got an error*/
?>

Reference: http://gencbilgin.net/php-session-kullanimi.html