davidlienhard/database

🐘 php library for easy access to databases

3.0.6 2025-11-28 14:49 UTC

Requires

• php: ^8.4
• ext-mysqli: ^8.4
• davidlienhard/functioncaller: ^1

Requires (Dev)

• davidlienhard/coding-standard: ^1
• phpstan/phpstan: ^2
• phpunit/phpunit: ^10
• squizlabs/php_codesniffer: ^3

MIT

• David Lienhard

• database
• php
• library
• mysql

README

🐘 php library for easy access to databases

Setup

You can install through composer with:

composer require davidlienhard/database:^3

Note: davidlienhard/database requires PHP 8.4

Examples

Connect to the Database-Server

<?php declare(strict_types=1);
use DavidLienhard\Database\Exception as DatabaseException;
use DavidLienhard\Database\Mysqli;

try {
    $db = new Mysqli;
    $db->connect("hostname", "username", "password", "dbname");
} catch (DatabaseException $e) {
    echo "unable to connect to the database host";
    exit(1);
}

Simple Select Query

<?php declare(strict_types=1);
use DavidLienhard\Database\Mysqli;

$userResult = $db->query(
    "SELECT
        `userID`,
        `userName`
    FROM
        `user`"
);

while ($userData = $userResult->fetch_assoc()) {
    echo $userData['userID'].": ".$userData['userName'].PHP_EOL;
}

Select Query with User-Data

<?php declare(strict_types=1);
use DavidLienhard\Database\Mysqli;
use DavidLienhard\Database\Parameter as DBParam;

$userResult = $db->query(
    "SELECT
        `userID`,
        `userName`
    FROM
        `user`
    WHERE
        `userLevel` = ? and
        `userType` = ?",
    new DBParam("i", $userLevel),
    new DBParam("s", $userType)
);

while ($userData = $userResult->fetch_assoc()) {
    echo $userData['userID'].": ".$userData['userName'].PHP_EOL;
}

Insert-Query

<?php declare(strict_types=1);
use DavidLienhard\Database\Exception as DatabaseException;
use DavidLienhard\Database\Mysqli;
use DavidLienhard\Database\Parameter as DBParam;

try {
    $db->query(
        "INSERT INTO
            `user`
        SET
            `userName` = ?,
            `userLevel` = ?,
            `userType` = ?",
        new DBParam("s", $userName),
        new DBParam("i", $userLevel),
        new DBParam("s", $userType)
    );
} catch (DatabaseException $e) {
    echo "unable to update table";
    exit(1);
}

License

The MIT License (MIT). Please see LICENSE for more information.