Added cost and tests

src/GoogleProfanity.php

@@ -0,0 +1,49 @@
+<?php
+
+/**
+ * Google Profanity Wrapper File
+ *
+ * PHP version 5
+ *
+ * Licensed under The MIT License
+ * Redistribution of these files must retain the above copyright notice.
+ *
+ * @author    Josh Sherman <josh@gravityblvd.com>
+ * @copyright Copyright 2014, Josh Sherman
+ * @license   http://www.opensource.org/licenses/mit-license.html
+ * @link      https://github.com/joshtronic/php-googleprofanity
+ */
+
+namespace joshtronic;
+
+/**
+ * Google Profanity API Interface
+ */
+class GoogleProfanity
+{
+    /**
+     * Check
+     *
+     * Checks if a word is considered profanity.
+     *
+     * @usage  GoogleProfanity::check('fuck'); // returns true
+     * @param  string $word word to check
+     * @param  string $endpoint the endpoint to call (helps testing)
+     * @return boolean whether or not the word is profanity
+     */
+    public function check($word, $endpoint = 'http://www.wdyl.com/profanity?q=')
+    {
+        $response = json_decode(file_get_contents($endpoint . $word), true);
+
+        if ($response == null || !isset($response['response'])
+            || !in_array($response['response'], array('true', 'false')))
+        {
+            throw new \Exception('Invalid response from API.');
+        }
+        else
+        {
+            return $response['response'] == 'true';
+        }
+    }
+}
+