initial commit

think.greaterchiangmai.com/public/revolution/php/twitter/connection/ConnectionAbstract.php

@@ -0,0 +1,120 @@
+<?php
+namespace TwitterPhp\Connection;
+
+/**
+ * Class Base
+ * @package TwitterPhp
+ * @subpackage Connection
+ */
+abstract class Base
+{
+    /**
+     * Url for Twitter api
+     */
+    const TWITTER_API_URL = 'https://api.twitter.com';
+
+    /**
+     * Twitter URL that authenticates bearer tokens
+     */
+    const TWITTER_API_AUTH_URL = 'https://api.twitter.com/oauth2/token/';
+
+    /**
+     * Version of Twitter api
+     */
+    const TWITTER_API_VERSION = '1.1';
+
+    /**
+     * Timeout value for curl connections
+     */
+    const DEFAULT_TIMEOUT = 10;
+
+    /**
+     * METHOD GET
+     */
+    const METHOD_GET = 'GET';
+
+    /**
+     * METHOD POST
+     */
+    const METHOD_POST = 'POST';
+
+    /**
+     * @param string $url
+     * @param array $parameters
+     * @param $method
+     * @return array
+     */
+    abstract protected function _buildHeaders($url,array $parameters = null,$method);
+
+
+    /**
+     * Do GET request to Twitter api
+     *
+     * @link https://dev.twitter.com/docs/api/1.1
+     *
+     * @param $resource
+     * @param array $parameters
+     * @return mixed
+     */
+    public function get($resource, array $parameters = array())
+    {
+        $url = $this->_prepareUrl($resource);
+        $headers = $this->_buildHeaders($url,$parameters,self::METHOD_GET);
+        $url = $url . '?' . http_build_query($parameters);
+        $curlParams = array (
+            CURLOPT_URL => $url,
+            CURLOPT_HTTPHEADER => $headers
+        );
+
+        return $this->_callApi($curlParams);
+    }
+
+    /**
+     * Do POST request to Twitter api
+     *
+     * @link https://dev.twitter.com/docs/api/1.1
+     *
+     * @param $resource
+     * @param array $parameters
+     * @return mixed
+     */
+    public function post($resource, array $parameters = array())
+    {
+        $url = $this->_prepareUrl($resource);
+        $headers = $this->_buildHeaders($url,$parameters,self::METHOD_POST);
+        $curlParams = array (
+            CURLOPT_URL => $url,
+            CURLOPT_POST => 1,
+            CURLOPT_POSTFIELDS => $parameters,
+            CURLOPT_HTTPHEADER => $headers
+        );
+
+        return $this->_callApi($curlParams);
+    }
+
+    /**
+     * Call Twitter api
+     *
+     * @param array $params
+     * @return array
+     */
+    protected function _callApi(array $params)
+    {
+        $curl = curl_init();
+        curl_setopt_array($curl,$params);
+        curl_setopt($curl, CURLOPT_HEADER, 0);
+        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, self::DEFAULT_TIMEOUT);
+        $response = curl_exec($curl);
+        return json_decode($response,true);
+    }
+
+    /**
+     * @param string $resource
+     * @return string
+     */
+    private function _prepareUrl($resource)
+    {
+        return self::TWITTER_API_URL . '/' . self::TWITTER_API_VERSION . '/' . ltrim($resource,'/') . '.json';
+    }
+}