add wrapper functions

src/PostHog.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Arcdigital\PostHog;
+
+use PostHog\PostHog as PostHogClient;
+
+class PostHog
+{
+    private static ?string $distinctId = null;
+
+    public static function setDistinctId(string $id): void
+    {
+        self::$distinctId = $id;
+    }
+
+    /**
+     * @param  array<string, mixed>  $properties
+     *
+     * @throws \Exception
+     */
+    public static function capture(string $event, array $properties = null, string $id = null): bool
+    {
+        return PostHogClient::capture([
+            'distinctId' => self::$distinctId ?? $id,
+            'event' => $event,
+            'properties' => $properties,
+        ]);
+    }
+
+    /**
+     * @param  array<string, mixed>  $properties
+     *
+     * @throws \Exception
+     */
+    public static function identify(string $id, array $properties): bool
+    {
+        return PostHogClient::identify([
+            'distinctId' => $id,
+            'properties' => $properties,
+        ]);
+    }
+
+    /**
+     * @throws \Exception
+     */
+    public static function alias(string $id, string $alias): bool
+    {
+        return PostHogClient::alias([
+            'distinctId' => $id,
+            'alias' => $alias,
+        ]);
+    }
+}