Added a curl interface and a simple curl class.

Author: paquettg

src/PHPHtmlParser/Curl.php

@@ -0,0 +1,30 @@
+<?php
+namespace PHPHtmlParser;
+
+class Curl implements CurlInterface {
+	
+	/**
+	 * A simple curl implementation to get the content of the url.
+	 *
+	 * @param string $url
+	 * @return string
+	 * @throws Exception
+	 */
+	public function get($url)
+	{
+		$ch = curl_init($url);
+		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
+		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
+
+		$content = curl_exec($ch);
+		if ($content === false)
+		{
+			// there was a problem
+			$error = curl_error($ch);
+			throw new Exception('Error retrieving "'.$url.'" ('.$error.')');
+		}
+
+		return $content;
+	}
+}

src/PHPHtmlParser/CurlInterface.php

@@ -0,0 +1,13 @@
+<?php
+namespace PHPHtmlParser;
+
+interface CurlInterface {
+	
+	/**
+	 * This method should return the content of the url in a string
+	 *
+	 * @param string $url
+	 * @return string
+	 */
+	public function get($url);
+}