Upload files to 'includes'

includes/AbstractRecord.php

@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace GeoIp2\Record;
+
+abstract class AbstractRecord implements \JsonSerializable
+{
+    /**
+     * @var array<string, mixed>
+     */
+    private $record;
+
+    /**
+     * @ignore
+     */
+    public function __construct(?array $record)
+    {
+        $this->record = isset($record) ? $record : [];
+    }
+
+    /**
+     * @ignore
+     *
+     * @return mixed
+     */
+    public function __get(string $attr)
+    {
+        // XXX - kind of ugly but greatly reduces boilerplate code
+        $key = $this->attributeToKey($attr);
+
+        if ($this->__isset($attr)) {
+            return $this->record[$key];
+        }
+        if ($this->validAttribute($attr)) {
+            if (preg_match('/^is_/', $key)) {
+                return false;
+            }
+
+            return null;
+        }
+
+        throw new \RuntimeException("Unknown attribute: $attr");
+    }
+
+    public function __isset(string $attr): bool
+    {
+        return $this->validAttribute($attr)
+             && isset($this->record[$this->attributeToKey($attr)]);
+    }
+
+    private function attributeToKey(string $attr): string
+    {
+        return strtolower(preg_replace('/([A-Z])/', '_\1', $attr));
+    }
+
+    private function validAttribute(string $attr): bool
+    {
+        // @phpstan-ignore-next-line
+        return \in_array($attr, $this->validAttributes, true);
+    }
+
+    public function jsonSerialize(): ?array
+    {
+        return $this->record;
+    }
+}