codeigniter set session code example
Example 1: print all session in codeigniter
print_r($this->session->userdata);
or
print_r($this->session->all_userdata());
Example 2: how to free session variable in php codeigniter
$this->session->unset_userdata('some_name');
Example 3: codeigniter login system with session
<!DOCTYPE html>
<html>
<head>
<title>Webslesson | <?php echo $title; ?></title>
<link rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" />
</head>
<body>
<div class="container">
<br /><br /><br />
<form method="post" action="<?php echo base_url(); ?>main/login_validation">
<div class="form-group">
<label>Enter Username</label>
<input type="text" name="username" class="form-control" />
<span class="text-danger"><?php echo form_error('username'); ?
></span>
</div>
<div class="form-group">
<label>Enter Password</label>
<input type="password" name="password" class="form-control" />
<span class="text-danger"><?php echo form_error('password'); ?
></span>
</div>
<div class="form-group">
<input type="submit" name="insert" value="Login" class="btn btn-info" />
<?php
echo '<label class="text-danger">'.$this->session->flashdata
("error").'</label>';
?>
</div>
</form>
</div>
</body>
</html>