Session variable

Php session variables

<?php
   session_start();
   $_SESSION['var'];
?>

Source: tutorialspoint.com

Session variable

session_start();
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
$name = $_GET["username"];
$sql = "SELECT 'id' FROM Users WHERE username='$name' limit 1";
$result = mysqli_query($link, $sql);
if ($result !== false) {
    $value = mysqli_fetch_field($result);
    $_SESSION['myid'] = $value;
}

Source: stackoverflow.com

Session variable

session_start();
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = new mysqli('localhost', 'username', 'password', 'db_name');
$link->set_charset('utf8mb4'); // always set the charset
$name = $_GET["username"];
$stmt = $link->prepare("SELECT id FROM Users WHERE username=? limit 1");
$stmt->bind_param('s', $name);
$stmt->execute();
$result = $stmt->get_result();
$value = $result->fetch_object();
$_SESSION['myid'] = $value->id;

Source: stackoverflow.com

Similar codes

1 vote234 views1 answer
Advanced custom field image array
PHP
16 votes226 views4 answers
Wherenotnull laravel
PHP Laravel
18 votes240 views6 answers
Remove whitespace from string php
PHP
0 vote200 views1 answer
$this- attribute laravel
PHP Laravel
1 vote218 views2 answers
Php replace space with 20
PHP
0 vote242 views1 answer
Return single row from eloquent all collection laravel
PHP Laravel
0 vote209 views1 answer
Acf if image else display other image
PHP
0 vote191 views1 answer
ReflectionException: Class Magento\Framework\App\Http\Interceptor does not exist in
PHP
9 votes251 views3 answers
Laravel enum migration example
PHP Laravel
0 vote248 views1 answer
Laravel-5-on-shared-hosting-wrong-public-path
PHP Laravel