CREATE OR REPLACE TABLE `USER` (
id MEDIUMINT NOT NULL AUTO_INCREMENT,
username CHAR(30) NOT NULL,
password CHAR(30) NOT NULL,
PRIMARY KEY (id)
);
CREATE OR REPLACE TABLE `PRODUCT` (
id MEDIUMINT NOT NULL AUTO_INCREMENT,
name CHAR(30) NOT NULL,
description TEXT NOT NULL,
price DECIMAL(6,2),
currency CHAR(3),
PRIMARY KEY (id)
);
CREATE OR REPLACE TABLE `CART` (
id MEDIUMINT NOT NULL AUTO_INCREMENT,
product_id MEDIUMINT,
user_id MEDIUMINT,
PRIMARY KEY (id)
);
INSERT INTO USER (username, password) VALUES ("betty_97", "betty_surfer_2024");
INSERT INTO PRODUCT (
name,
description,
price,
currency
) VALUES
(
"Surfboard",
"Amzaing blue surfboard",
55.00,
"EUR"
),
(
"Skateboard",
"Amzaing red skateboard",
15.00,
"EUR"
);
SELECT id from USER where username = 'betty_97' and password = 'betty_surfer_2024'
SQL Server:
MySQL 8.0
MySQL 8.0 Sakila (ReadOnly)
MySQL 9.3.0
MariaDB 11.4
MariaDB 11.8
MariaDB 10
MariaDB 10 Sakila (ReadOnly)
SQLite 3
SQLite 3 Preloaded
PostgreSQL 10 Bookings (ReadOnly)
PostgreSQL 13
PostgreSQL 14
PostgreSQL 15
PostgreSQL 16
PostgreSQL 17 + PostGIS
PostgreSQL 17 + PostGIS WorkShop (ReadOnly)
MS SQL Server 2017
MS SQL Server 2019
MS SQL Server 2022
MS SQL Server 2022 AdventureWorks (ReadOnly)
Firebird 4.0
Firebird 4.0 (Employee)
RedDatabase 5.0
Oracle Database 19c (HR)
Oracle Database 21c
Oracle Database 23c Free
SOQOL
ClickHouse
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<?php
use Carbon\Carbon;
session_start();
function logIn( $mysqli, $userName, $password) {
$query = "SELECT id from USER where username = '$userName' and password = '$password'";
printf('query: %s ',$query );
$result = $mysqli->query($query);
$row = $result->fetch_object();
$userid = $row->id;
if(!empty($userid)) {
$_SESSION["userid"]=$userid;
}
}
function listProducts() {
global $conn;
$products = array ();
$sql = "SELECT id, name, description, price, currency FROM PRODUCTS";
$result = mysqli_query($conn, $sql);
$resultCheck = mysqli_num_rows($result);
if ($resultCheck > 0) {
while ($row = mysqli_fetch_assoc($result)) {
$products[] = $row;
}
}
return $products;
}
/*session is started if you don't write this line can't use $_Session global variable*/
$_SESSION["my_id"]="Olle";
$now = Carbon::now()->format('d/m/Y');
printf("Today is %s\nCurrent PHP version: %s \n\n", $now, phpversion());
?>
<ul>
<li>Hello</li>
</ul>
<?php
$query = "SELECT VERSION() as version;";
// get DB version using PDO
$stmt = $pdo->prepare($query);
$stmt->execute();
$row = $stmt->fetch(PDO::FETCH_ASSOC);
printf('DB version (PDO): %s ' . PHP_EOL, $row['version']);
// Run query using mysqli
$result = $mysqli->query($query);
$version = $result->fetch_object();
printf('DB version (mysqli): %s ' . PHP_EOL, $version->version);
// Select using Laravel
$version = $db::select($query);
printf('DB version (Laravel Query Builder): %s ' . PHP_EOL, $version[0]->version);
$query = "SELECT * from PRODUCT;";
$stmt = $pdo->prepare($query);
$stmt->execute();
$row = $stmt->fetch(PDO::FETCH_ASSOC);
printf('DB version (PDO): %s ' . PHP_EOL, $row['name']);
printf('session variable userid: %s ' . PHP_EOL, $_SESSION["userid"]);
logIn( $mysqli,'betty_97','betty_surfer_2024');
printf('session variable userid after login: %s ' . PHP_EOL, $_SESSION["userid"]);
$products = listProducts();
?>
PHP version :
PHP 7.4
PHP 8.0
PHP 8.1
PHP 8.2
PHP 8.3
PHP 8.4
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