_SESSION[] php code example

Example 1: php start a session

session_start();
if(!isset($_SESSION["started"]){ //Check if the session already exist
    //If it does not exist we append attributes we need in
	$_SESSION["started"] = true;
  	$_SESSION["attribute_1"] = $value_1;  
  	...
    $_SESSION["attribute_n"] = $value_n;      
}

Example 2: session initialize php

session_start();

Example 3: 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'];
?>

Example 4: destroy session php

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

Example 5: set php varibianle session

<?php 
  // Start the session
  session_start();
?>
<!DOCTYPE html>
<html>
  <body>
  <?php
    // Set session variables
    $_SESSION["color"]= "blue";
    $_SESSION["animal"]= "dog";
    echo "The session variable are set up.";
  ?>
  </body>
</html>

Example 6: session php

<?php
// start session before any HTML
session_start();

// create some variales in $_SESSION
$_SESSION['name'] = 'myname';
$_SESSION['surname'] = 'mysurname';
$_SESSION['age'] = 24;
?>

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>My page</title>
    </head>
    <body>
    <p>
        Hey <?php echo $_SESSION['name']; ?> !<br />
        How are you today ?
    </p>

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