33 lines
747 B
PHP
33 lines
747 B
PHP
<?php
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declare(strict_types=1);
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/**
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* Liefert eine MySQLi-Verbindung anhand der zentralen Konfiguration.
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*
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* Nutzung:
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* $conn = db_connect();
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*/
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function db_connect(): mysqli
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{
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static $cfg;
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if ($cfg === null) {
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/** @var array{db: array{host:string,port:int,user:string,pass:string,name:string,charset:string}} $cfg */
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$cfg = require __DIR__ . '/config.php';
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}
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$db = $cfg['db'];
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$conn = new mysqli($db['host'], $db['user'], $db['pass'], $db['name'], $db['port']);
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if ($conn->connect_error) {
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http_response_code(500);
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die('Datenbankfehler');
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}
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// Einheitliches Charset (wichtig für Umlaute/Emojis & Sicherheit)
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$conn->set_charset($db['charset']);
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return $conn;
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}
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