Examples for presentation.

sources/Example/Good/Repository.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Example\Good;
+
+use PDO;
+
+class Repository
+{
+    private PDO $pdo;
+
+    public function __construct(PDO $pdo)
+    {
+        $this->pdo = $pdo;
+    }
+
+    /**
+     * @return Product[]
+     */
+    public function getProducts($skus) : array{
+        $quotedSkus = [];
+        foreach($skus as $sku){
+            $quotedSkus[] = $this->pdo->quote($sku);
+        }
+        $skusStr = implode(',', $quotedSkus);
+        $sql = "SELECT * FROM products where id in ($skusStr)";
+
+        return $this->pdo->query($sql)->fetchAll(PDO::FETCH_CLASS, Product::class);
+    }
+}