45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
<?php
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function db_connect() {
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static $pdo;
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if ($pdo) {
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return $pdo;
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}
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// Database configuration
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$host = getenv('DB_HOST') ?: '127.0.0.1';
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$port = getenv('DB_PORT') ?: '3306';
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$dbname = getenv('DB_NAME') ?: 'lamp_app_db';
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$user = getenv('DB_USER') ?: 'lamp_app_user';
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$pass = getenv('DB_PASS') ?: 'lamp_app_pass';
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$charset = 'utf8mb4';
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$dsn = "mysql:host=$host;port=$port;dbname=$dbname;charset=$charset";
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$options = [
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
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PDO::ATTR_EMULATE_PREPARES => false,
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];
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try {
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$pdo = new PDO($dsn, $user, $pass, $options);
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return $pdo;
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} catch (\PDOException $e) {
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throw new \PDOException($e->getMessage(), (int)$e->getCode());
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}
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}
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function db_init() {
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$pdo = db_connect();
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$sql = "
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CREATE TABLE IF NOT EXISTS students (
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id INT AUTO_INCREMENT PRIMARY KEY,
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first_name VARCHAR(100) NOT NULL,
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last_name VARCHAR(100) NOT NULL,
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date_of_birth DATE,
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email VARCHAR(100),
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phone_number VARCHAR(20),
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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";
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$pdo->exec($sql);
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} |