Port from official js sdk

composer.json

@@ -0,0 +1,16 @@
+{
+    "name": "expertlead/webflow-php-sdk",
+    "description": "PHP SDK for the Webflow CMS API",
+    "type": "library",
+    "require": {
+        "guzzlehttp/guzzle": "^5"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Oleksii Antypov",
+            "email": "echo@wivern.co.uk"
+        }
+    ],
+    "minimum-stability": "stable"
+}

src/Webflow/Api.php

@@ -0,0 +1,93 @@
+<?php
+
+namespace Webflow;
+
+use Webflow\WebflowException;
+use GuzzleHttp\Client;
+
+class Api {
+
+  const WEBFLOW_API_ENDPOINT = 'https://api.webflow.com';
+
+  private $client;
+
+  function __construct(
+      $token,
+      $version = '1.0.0'
+  ) {
+      if (empty($token)) {
+        throw new WebflowException('token');
+      }
+
+      $this->client = new Client([
+        'base_uri' => self::WEBFLOW_API_ENDPOINT,
+        'headers' => [
+          'Authorization' => "Bearer {$token}",
+          'accept-version' => $version,
+          'Accept' => 'application/json',
+          'Content-Type' => 'application/json',
+        ]
+      ]);
+
+      return $this;
+  }
+
+  // Meta
+
+  public function info() {
+    return $this->client->get('/info')->getBody();
+  }
+
+  public function sites() {
+    return $this->client->get('/sites')->getBody();
+  }
+
+  public function site(string $siteId) {
+    return $this->client->get("/sites/{$siteId}")->getBody();
+  }
+
+  public function domains(string $siteId) {
+    return $this->client->get("/sites/{$siteId}/domains")->getBody();
+  }
+
+  public function publishSite(string $siteId, array $domains) {
+    return $this->client->post(`/sites/${siteId}/publish`, $domains);
+  }
+
+  // Collections
+
+  public function collections(string $siteId) {
+    return $this->client->get("/sites/{$siteId}/collections")->getBody();
+  }
+
+  public function collection(string $collectionId) {
+    return $this->client->get("/collections/{$collectionId}")->getBody();
+  }
+
+  // Items
+
+  public function items(string $collectionId) {
+    return $this->client->get("/collections/{$collectionId}/items")->getBody();
+  }
+
+  public function item(string $collectionId, string $itemId) {
+    return $this->client->get("/collections/{$collectionId}/items/{$itemId}")->getBody();
+  }
+
+  public function createItem(string $collectionId, array $data) {
+    return $this->client->post("/collections/{$collectionId}/items", [
+        'json' => [
+            'fields' => $data,
+        ],
+    ])->getBody();
+  }
+
+  public function updateItem(string $collectionId, string $itemId, array $data) {
+    return $this->client->put("/collections/{$collectionId}/items/{$itemId}", $data);
+  }
+
+  public function removeItem(string $collectionId, $itemId) {
+    return $this->client->delete("/collections/{$collectionId}/items/{$itemId}")->getBody();
+  }
+
+}

src/Webflow/WebflowException.php

@@ -0,0 +1,8 @@
+<?php
+
+class WebflowException extends Exception {
+   public function __construct(string $argument){
+     $this->message = "Argument '{$argument}' is required but was not present";
+     return $this;
+   }
+}