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vendor/doctrine/dbal/src/Driver/Mysqli/Initializer/Charset.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\Driver\Mysqli\Initializer;
+
+use Doctrine\DBAL\Driver\Mysqli\Exception\InvalidCharset;
+use Doctrine\DBAL\Driver\Mysqli\Initializer;
+use mysqli;
+use mysqli_sql_exception;
+
+final class Charset implements Initializer
+{
+    private string $charset;
+
+    public function __construct(string $charset)
+    {
+        $this->charset = $charset;
+    }
+
+    public function initialize(mysqli $connection): void
+    {
+        try {
+            $success = $connection->set_charset($this->charset);
+        } catch (mysqli_sql_exception $e) {
+            throw InvalidCharset::upcast($e, $this->charset);
+        }
+
+        if ($success) {
+            return;
+        }
+
+        throw InvalidCharset::fromCharset($connection, $this->charset);
+    }
+}