From 4b1ce6497ad0052f8c523a94abe4f2659c59639b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=B0rfan=20Evrens?= <irfanevrens@gmail.com>
Date: Thu, 26 Jan 2017 16:43:31 +0300
Subject: [PATCH] some changes made.

---
 src/predictionio/BaseClient.php           |  98 ++---
 src/predictionio/EngineClient.php         |  59 ++-
 src/predictionio/EventClient.php          | 481 +++++++++++-----------
 src/predictionio/Exporter.php             |  18 +-
 src/predictionio/FileExporter.php         |  17 +-
 src/predictionio/PredictionIOAPIError.php |  10 +-
 6 files changed, 346 insertions(+), 337 deletions(-)

diff --git a/src/predictionio/BaseClient.php b/src/predictionio/BaseClient.php
index 13ef8d2..0570b76 100644
--- a/src/predictionio/BaseClient.php
+++ b/src/predictionio/BaseClient.php
@@ -1,62 +1,64 @@
-<?php
-
-namespace predictionio;
+<?php namespace predictionio;
 
 use GuzzleHttp\Client;
 use GuzzleHttp\Exception\ClientException;
 
 /**
  * Base client for Event and Engine client
- *
  */
-abstract class BaseClient {
-  private $baseUrl;
-  public $client;
+abstract class BaseClient
+{
+    private $baseUrl;
+    public $client;
 
-  /**
-   * @param string $baseUrl Base URL to the server
-   * @param float $timeout Timeout of the request in seconds. Use 0 to wait indefinitely
-   * @param float $connectTimeout Number of seconds to wait while trying to connect to a server
-   */  
-  public function __construct($baseUrl, $timeout, $connectTimeout) {
-    $this->baseUrl = $baseUrl;
-    $this->client = new Client([
-           'base_uri' => $this->baseUrl,
-           'timeout' => $timeout,
-           'connect_timeout' => $connectTimeout
-    ]);
+    /**
+     * @param string $baseUrl Base URL to the server
+     * @param float $timeout Timeout of the request in seconds. Use 0 to wait indefinitely
+     * @param float $connectTimeout Number of seconds to wait while trying to connect to a server
+     */
+    public function __construct($baseUrl, $timeout, $connectTimeout)
+    {
+        $this->baseUrl = $baseUrl;
+        $this->client = new Client([
+            'base_uri' => $this->baseUrl,
+            'timeout' => $timeout,
+            'connect_timeout' => $connectTimeout
+        ]);
 
-  }
+    }
 
-  /**
-   * Get the status of the Event Server or Engine Instance
-   *
-   * @return string status
-   */
-  public function getStatus() {
-    return $this->client->get('/')->getBody();
-  }
+    /**
+     * Get the status of the Event Server or Engine Instance
+     *
+     * @return string status
+     */
+    public function getStatus()
+    {
+        return $this->client->get('/')->getBody();
+    }
 
-  /**
-   * Send a HTTP request to the server
-   *
-   * @param string $method HTTP request method
-   * @param string $url Relative or absolute url
-   * @param string $body HTTP request body
-   *
-   * @return array JSON response
-   * @throws PredictionIOAPIError Request error
-   */
-  protected function sendRequest($method, $url, $body) {
-    $options = ['headers' => ['Content-Type' => 'application/json'],
-                'body' => $body]; 
+    /**
+     * Send a HTTP request to the server
+     *
+     * @param string $method HTTP request method
+     * @param string $url Relative or absolute url
+     * @param string $body HTTP request body
+     *
+     * @return array JSON response
+     * @throws PredictionIOAPIError Request error
+     */
+    protected function sendRequest($method, $url, $body)
+    {
+        $options = [
+            'headers' => ['Content-Type' => 'application/json'],
+            'body' => $body
+        ];
 
-    try {
-      $response = $this->client->request($method, $url, $options);
-      return json_decode($response->getBody(), true);
-    } catch (ClientException $e) {
-      throw new PredictionIOAPIError($e->getMessage()); 
+        try {
+            $response = $this->client->request($method, $url, $options);
+            return json_decode($response->getBody(), true);
+        } catch (ClientException $e) {
+            throw new PredictionIOAPIError($e->getMessage());
+        }
     }
-  }
 }
-?>
diff --git a/src/predictionio/EngineClient.php b/src/predictionio/EngineClient.php
index f45ac35..a0e6a36 100644
--- a/src/predictionio/EngineClient.php
+++ b/src/predictionio/EngineClient.php
@@ -1,37 +1,36 @@
-<?php
-
-namespace predictionio;
+<?php namespace predictionio;
 
 /**
  * Client for connecting to an Engine Instance
- *
  */
-class EngineClient extends BaseClient {
+class EngineClient extends BaseClient
+{
 
-  /**
-   * @param string Base URL to the Engine Instance. Default is localhost:8000.
-   * @param float Timeout of the request in seconds. Use 0 to wait indefinitely
-   *              Default is 0.
-   * @param float Number of seconds to wait while trying to connect to a server.
-   *              Default is 5.
-   */
-  public function __construct($baseUrl="http://localhost:8000",
-                              $timeout=0, $connectTimeout=5 ) {
-    parent::__construct($baseUrl, $timeout, $connectTimeout);
-  }
+    /**
+     * @param string $baseUrl Base URL to the Engine Instance. Default is localhost:8000.
+     * @param float|int $timeout Timeout of the request in seconds. Use 0 to wait indefinitely
+     *              Default is 0.
+     * @param float|int $timeout Number of seconds to wait while trying to connect to a server.
+     *              Default is 5.
+     * @param float|int $connectTimeout Number of seconds to wait while trying to connect to a server
+     */
+    public function __construct($baseUrl = "http://localhost:8000",
+                                $timeout = 0, $connectTimeout = 5)
+    {
+        parent::__construct($baseUrl, $timeout, $connectTimeout);
+    }
 
-  /**
-   * Send prediction query to an Engine Instance
-   *
-   * @param array Query
-   *
-   * @return array JSON response
-   *
-   * @throws PredictionIOAPIError Request error
-   */
-  public function sendQuery(array $query) {
-    return $this->sendRequest("POST", "/queries.json", json_encode($query));
-  }
+    /**
+     * Send prediction query to an Engine Instance
+     *
+     * @param array $query Query
+     *
+     * @return array JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function sendQuery(array $query)
+    {
+        return $this->sendRequest("POST", "/queries.json", json_encode($query));
+    }
 }
-
-?>
diff --git a/src/predictionio/EventClient.php b/src/predictionio/EventClient.php
index df4286f..4fe961c 100644
--- a/src/predictionio/EventClient.php
+++ b/src/predictionio/EventClient.php
@@ -1,267 +1,274 @@
-<?php
+<?php namespace predictionio;
 
-namespace predictionio;
-use GuzzleHttp\Client;
 use \DateTime;
- 
+
 /**
  * Client for connecting to an Event Server
- *
  */
-class EventClient extends BaseClient {
-  const DATE_TIME_FORMAT = DateTime::ISO8601;
-  private $accessKey;
-  private $eventUrl;
+class EventClient extends BaseClient
+{
+    const DATE_TIME_FORMAT = DateTime::ISO8601;
+    private $accessKey;
+    private $eventUrl;
 
-  /**
-   * @param string Access Key
-   * @param string Base URL to the Event Server. Default is localhost:7070.
-   * @param float Timeout of the request in seconds. Use 0 to wait indefinitely
-   *              Default is 0.
-   * @param float Number of seconds to wait while trying to connect to a server.
-   *              Default is 5.                
-   */
-  public function __construct($accessKey, $baseUrl='http://localhost:7070',
-                              $timeout=0, $connectTimeout=5 ) {
-    parent::__construct($baseUrl, $timeout, $connectTimeout);
-    $this->accessKey = $accessKey;
-    $this->eventUrl = "/events.json?accessKey=$this->accessKey";
-  }
+    /**
+     * @param string $accessKey Access Key
+     * @param string $baseUrl Base URL to the Event Server. Default is localhost:7070.
+     * @param float|int $timeout Timeout of the request in seconds. Use 0 to wait indefinitely
+     *              Default is 0.
+     * @param float|int $connectTimeout Number of seconds to wait while trying to connect to a server.
+     *              Default is 5.
+     */
+    public function __construct($accessKey, $baseUrl = 'http://localhost:7070',
+                                $timeout = 0, $connectTimeout = 5)
+    {
+        parent::__construct($baseUrl, $timeout, $connectTimeout);
+        $this->accessKey = $accessKey;
+        $this->eventUrl = "/events.json?accessKey=$this->accessKey";
+    }
 
-  private function getEventTime($eventTime) {
-    $result = $eventTime;
-    if (!isset($eventTime)) {
-      $result = (new DateTime('NOW'))->format(self::DATE_TIME_FORMAT);
-    } 
+    private function getEventTime($eventTime)
+    {
+        $result = $eventTime;
+        if (!isset($eventTime)) {
+            $result = (new DateTime('NOW'))->format(self::DATE_TIME_FORMAT);
+        }
 
-    return $result;
-  }
+        return $result;
+    }
 
-  /**
-   * Set a user entity
-   *
-   * @param int|string User Id 
-   * @param array Properties of the user entity to set
-   * @param string Time of the event in ISO 8601 format
-   *               (e.g. 2014-09-09T16:17:42.937-08:00).
-   *               Default is the current time.
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-  public function setUser($uid, array $properties=array(), $eventTime=null) {
-    $eventTime = $this->getEventTime($eventTime);
+    /**
+     * Set a user entity
+     *
+     * @param int|string User Id
+     * @param array $properties Properties of the user entity to set
+     * @param string|null $eventTime Time of the event in ISO 8601 format
+     *               (e.g. 2014-09-09T16:17:42.937-08:00).
+     *               Default is the current time.
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function setUser($uid, array $properties = array(), $eventTime = null)
+    {
+        $eventTime = $this->getEventTime($eventTime);
 
-    // casting to object so that an empty array would be represented as {}
-    if (empty($properties)) $properties = (object)$properties;
+        // casting to object so that an empty array would be represented as {}
+        if (empty($properties)) $properties = (object)$properties;
 
-    $json = json_encode([
-        'event' => '$set',
-        'entityType' => 'user',
-        'entityId' => $uid,
-        'properties' => $properties,
-        'eventTime' => $eventTime,
-    ]);
+        $json = json_encode([
+            'event' => '$set',
+            'entityType' => 'user',
+            'entityId' => $uid,
+            'properties' => $properties,
+            'eventTime' => $eventTime,
+        ]);
 
-    return $this->sendRequest('POST', $this->eventUrl, $json);
-  }
+        return $this->sendRequest('POST', $this->eventUrl, $json);
+    }
 
-  /**
-   * Unset a user entity
-   *
-   * @param int|string User Id 
-   * @param array Properties of the user entity to unset
-   * @param string Time of the event in ISO 8601 format
-   *               (e.g. 2014-09-09T16:17:42.937-08:00).
-   *               Default is the current time.
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-  public function unsetUser($uid, array $properties, $eventTime=null) {
-    $eventTime = $this->getEventTime($eventTime);
-    if (empty($properties)) 
-      throw new PredictionIOAPIError('Specify at least one property'); 
+    /**
+     * Unset a user entity
+     *
+     * @param int|string User Id
+     * @param array $properties Properties of the user entity to unset
+     * @param string|null $eventTime Time of the event in ISO 8601 format
+     *               (e.g. 2014-09-09T16:17:42.937-08:00).
+     *               Default is the current time.
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function unsetUser($uid, array $properties, $eventTime = null)
+    {
+        $eventTime = $this->getEventTime($eventTime);
+        if (empty($properties))
+            throw new PredictionIOAPIError('Specify at least one property');
 
-    $json = json_encode([
-        'event' => '$unset',
-        'entityType' => 'user',
-        'entityId' => $uid,
-        'properties' => $properties,
-        'eventTime' => $eventTime,
-    ]);
+        $json = json_encode([
+            'event' => '$unset',
+            'entityType' => 'user',
+            'entityId' => $uid,
+            'properties' => $properties,
+            'eventTime' => $eventTime,
+        ]);
 
-    return $this->sendRequest('POST', $this->eventUrl, $json);
-  }
+        return $this->sendRequest('POST', $this->eventUrl, $json);
+    }
 
-  /**
-   * Delete a user entity
-   *
-   * @param int|string User Id 
-   * @param string Time of the event in ISO 8601 format
-   *               (e.g. 2014-09-09T16:17:42.937-08:00).
-   *               Default is the current time.
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-  public function deleteUser($uid, $eventTime=null) {
-    $eventTime = $this->getEventTime($eventTime);
+    /**
+     * Delete a user entity
+     *
+     * @param int|string User Id
+     * @param string|null $eventTime Time of the event in ISO 8601 format
+     *               (e.g. 2014-09-09T16:17:42.937-08:00).
+     *               Default is the current time.
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function deleteUser($uid, $eventTime = null)
+    {
+        $eventTime = $this->getEventTime($eventTime);
 
-    $json = json_encode([
-        'event' => '$delete',
-        'entityType' => 'user',
-        'entityId' => $uid,
-        'eventTime' => $eventTime,
-    ]);
+        $json = json_encode([
+            'event' => '$delete',
+            'entityType' => 'user',
+            'entityId' => $uid,
+            'eventTime' => $eventTime,
+        ]);
 
-    return $this->sendRequest('POST', $this->eventUrl, $json);
-  }
- 
-  /**
-   * Set an item entity
-   *
-   * @param int|string Item Id 
-   * @param array Properties of the item entity to set
-   * @param string Time of the event in ISO 8601 format
-   *               (e.g. 2014-09-09T16:17:42.937-08:00).
-   *               Default is the current time.
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-   public function setItem($iid, array $properties=array(), $eventTime=null) {
-    $eventTime = $this->getEventTime($eventTime);
-    if (empty($properties)) $properties = (object)$properties;
-    $json = json_encode([
-        'event' => '$set',
-        'entityType' => 'item',
-        'entityId' => $iid,
-        'properties' => $properties,
-        'eventTime' => $eventTime,
-    ]);
+        return $this->sendRequest('POST', $this->eventUrl, $json);
+    }
 
-    return $this->sendRequest('POST', $this->eventUrl, $json);
-  }
+    /**
+     * Set an item entity
+     *
+     * @param int|string Item Id
+     * @param array $properties Properties of the item entity to set
+     * @param string|null $eventTime Time of the event in ISO 8601 format
+     *               (e.g. 2014-09-09T16:17:42.937-08:00).
+     *               Default is the current time.
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function setItem($iid, array $properties = array(), $eventTime = null)
+    {
+        $eventTime = $this->getEventTime($eventTime);
+        if (empty($properties)) $properties = (object)$properties;
+        $json = json_encode([
+            'event' => '$set',
+            'entityType' => 'item',
+            'entityId' => $iid,
+            'properties' => $properties,
+            'eventTime' => $eventTime,
+        ]);
 
-  /**
-   * Unset an item entity
-   *
-   * @param int|string Item Id 
-   * @param array Properties of the item entity to unset
-   * @param string Time of the event in ISO 8601 format
-   *               (e.g. 2014-09-09T16:17:42.937-08:00).
-   *               Default is the current time.
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-  public function unsetItem($iid, array $properties, $eventTime=null) {
-    $eventTime = $this->getEventTime($eventTime);
-    if (empty($properties))
-        throw new PredictionIOAPIError('Specify at least one property'); 
-    $json = json_encode([
-        'event' => '$unset',
-        'entityType' => 'item',
-        'entityId' => $iid,
-        'properties' => $properties,
-        'eventTime' => $eventTime,
-    ]);
+        return $this->sendRequest('POST', $this->eventUrl, $json);
+    }
 
-    return $this->sendRequest('POST', $this->eventUrl, $json);
-  }
+    /**
+     * Unset an item entity
+     *
+     * @param int|string Item Id
+     * @param array $properties Properties of the item entity to unset
+     * @param string|null $eventTime Time of the event in ISO 8601 format
+     *               (e.g. 2014-09-09T16:17:42.937-08:00).
+     *               Default is the current time.
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function unsetItem($iid, array $properties, $eventTime = null)
+    {
+        $eventTime = $this->getEventTime($eventTime);
+        if (empty($properties))
+            throw new PredictionIOAPIError('Specify at least one property');
+        $json = json_encode([
+            'event' => '$unset',
+            'entityType' => 'item',
+            'entityId' => $iid,
+            'properties' => $properties,
+            'eventTime' => $eventTime,
+        ]);
 
-  /**
-   * Delete an item entity
-   *
-   * @param int|string Item Id 
-   * @param string Time of the event in ISO 8601 format
-   *               (e.g. 2014-09-09T16:17:42.937-08:00).
-   *               Default is the current time.
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-  public function deleteItem($iid, $eventTime=null) {
-    $eventTime = $this->getEventTime($eventTime);
+        return $this->sendRequest('POST', $this->eventUrl, $json);
+    }
 
-    $json = json_encode([
-        'event' => '$delete',
-        'entityType' => 'item',
-        'entityId' => $iid,
-        'eventTime' => $eventTime,
-    ]);
+    /**
+     * Delete an item entity
+     *
+     * @param int|string Item Id
+     * @param string|null $eventTime Time of the event in ISO 8601 format
+     *               (e.g. 2014-09-09T16:17:42.937-08:00).
+     *               Default is the current time.
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function deleteItem($iid, $eventTime = null)
+    {
+        $eventTime = $this->getEventTime($eventTime);
 
-    return $this->sendRequest('POST', $this->eventUrl, $json);
-  }
+        $json = json_encode([
+            'event' => '$delete',
+            'entityType' => 'item',
+            'entityId' => $iid,
+            'eventTime' => $eventTime,
+        ]);
 
-  /**
-   * Record a user action on an item
-   *
-   * @param string Event name
-   * @param int|string User Id 
-   * @param int|string Item Id 
-   * @param array Properties of the event
-   * @param string Time of the event in ISO 8601 format
-   *               (e.g. 2014-09-09T16:17:42.937-08:00).
-   *               Default is the current time.
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-   public function recordUserActionOnItem($event, $uid, $iid, 
-                                         array $properties=array(),
-                                         $eventTime=null) {
-    $eventTime = $this->getEventTime($eventTime);
-    if (empty($properties)) $properties = (object)$properties;
-    $json = json_encode([
-        'event' => $event,
-        'entityType' => 'user',
-        'entityId' => $uid,
-        'targetEntityType' => 'item',
-        'targetEntityId' => $iid,
-        'properties' => $properties,
-        'eventTime' => $eventTime,
-    ]);
+        return $this->sendRequest('POST', $this->eventUrl, $json);
+    }
 
-    return $this->sendRequest('POST', $this->eventUrl, $json);
-  }
+    /**
+     * Record a user action on an item
+     *
+     * @param string $event Event name
+     * @param int|string User Id
+     * @param int|string Item Id
+     * @param array $properties Properties of the event
+     * @param string|null $eventTime Time of the event in ISO 8601 format
+     *               (e.g. 2014-09-09T16:17:42.937-08:00).
+     *               Default is the current time.
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function recordUserActionOnItem($event, $uid, $iid,
+                                           array $properties = array(),
+                                           $eventTime = null)
+    {
+        $eventTime = $this->getEventTime($eventTime);
+        if (empty($properties)) $properties = (object)$properties;
+        $json = json_encode([
+            'event' => $event,
+            'entityType' => 'user',
+            'entityId' => $uid,
+            'targetEntityType' => 'item',
+            'targetEntityId' => $iid,
+            'properties' => $properties,
+            'eventTime' => $eventTime,
+        ]);
 
-  /**
-   * Create an event
-   *
-   * @param array An array describing the event
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-  public function createEvent(array $data) {
-    $json = json_encode($data);
+        return $this->sendRequest('POST', $this->eventUrl, $json);
+    }
 
-    return $this->sendRequest('POST', $this->eventUrl, $json);
-  }
+    /**
+     * Create an event
+     *
+     * @param array $data An array describing the event
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function createEvent(array $data)
+    {
+        $json = json_encode($data);
 
-  /**
-   * Retrieve an event
-   *
-   * @param string Event ID
-   *
-   * @return string JSON response
-   * 
-   * @throws PredictionIOAPIError Request error
-   */
-  public function getEvent($eventId) {
-    return $this->sendRequest('GET', 
-      "/events/$eventId.json?accessKey=$this->accessKey", '');
-  }
-}
+        return $this->sendRequest('POST', $this->eventUrl, $json);
+    }
 
-?>
+    /**
+     * Retrieve an event
+     *
+     * @param string $eventId Event ID
+     *
+     * @return string JSON response
+     *
+     * @throws PredictionIOAPIError Request error
+     */
+    public function getEvent($eventId)
+    {
+        return $this->sendRequest('GET',
+            "/events/$eventId.json?accessKey=$this->accessKey", '');
+    }
+}
diff --git a/src/predictionio/Exporter.php b/src/predictionio/Exporter.php
index 35b7a03..4655d2d 100644
--- a/src/predictionio/Exporter.php
+++ b/src/predictionio/Exporter.php
@@ -1,13 +1,12 @@
-<?php
+<?php namespace predictionio;
 
-namespace predictionio;
-
-
-trait Exporter {
 
+trait Exporter
+{
     abstract public function export($json);
 
-    public function jsonEncode($data) {
+    public function jsonEncode($data)
+    {
         return json_encode($data);
     }
 
@@ -25,8 +24,9 @@ public function jsonEncode($data) {
      * @param $eventTime
      */
     public function createEvent($event, $entityType, $entityId,
-                                $targetEntityType=null, $targetEntityId=null, array $properties=null,
-                                $eventTime=null) {
+                                $targetEntityType = null, $targetEntityId = null, array $properties = null,
+                                $eventTime = null)
+    {
 
         if (!isset($eventTime)) {
             $eventTime = new \DateTime();
@@ -59,4 +59,4 @@ public function createEvent($event, $entityType, $entityId,
         $this->export($json);
     }
 
-}
\ No newline at end of file
+}
diff --git a/src/predictionio/FileExporter.php b/src/predictionio/FileExporter.php
index d0ee711..635639e 100644
--- a/src/predictionio/FileExporter.php
+++ b/src/predictionio/FileExporter.php
@@ -1,27 +1,28 @@
-<?php
-
-namespace predictionio;
+<?php namespace predictionio;
 
 /**
  * Class FileExporter writes events to a series of JSON objects in a file for batch import.
  *
  * @package predictionio
  */
-class FileExporter {
-
+class FileExporter
+{
     use Exporter;
 
     private $file;
 
-    public function __construct($fileName) {
+    public function __construct($fileName)
+    {
         $this->file = fopen($fileName, 'w');
     }
 
-    public function export($json) {
+    public function export($json)
+    {
         fwrite($this->file, "$json\n");
     }
 
-    public function close() {
+    public function close()
+    {
         fclose($this->file);
     }
 }
\ No newline at end of file
diff --git a/src/predictionio/PredictionIOAPIError.php b/src/predictionio/PredictionIOAPIError.php
index ca4cacd..26300f8 100644
--- a/src/predictionio/PredictionIOAPIError.php
+++ b/src/predictionio/PredictionIOAPIError.php
@@ -1,9 +1,9 @@
-<?php
-namespace predictionio;
+<?php namespace predictionio;
+
 /**
  * Thrown when there is an error with the request.
  */
-class PredictionIOAPIError extends \Exception {
+class PredictionIOAPIError extends \Exception
+{
 
-}
-?>
+}
\ No newline at end of file