[PIO-163] Stack upgrade and doc fix

.gitignore

@@ -1,6 +1,5 @@
 build
 composer.phar
-composer.lock
 docs
 vendor
 .idea

.travis.yml

@@ -1,8 +1,9 @@
 language: php
 php:
+  - 7.2
+  - 7.1
   - 7.0
   - 5.6
-  - 5.5
 before_script:
   - pear channel-discover pear.phing.info
   - pear install phing/phing

README.md

@@ -1,11 +1,11 @@
 # Apache PredictionIO PHP SDK
 
-
-[![Build Status](https://travis-ci.org/apache/incubator-predictionio-sdk-php.svg?branch=develop)](https://travis-ci.org/apache/incubator-predictionio-sdk-php)
+[![Build
+Status](https://travis-ci.org/apache/predictionio-sdk-php.svg?branch=develop)](https://travis-ci.org/apache/predictionio-sdk-php)
 
 ## Prerequisites
 
-* PHP 5.4+ (http://php.net/)
+* PHP 5.6+ (http://php.net/)
 * PHP: cURL (http://php.net/manual/en/book.curl.php)
 * Phing (http://www.phing.info/)
 * ApiGen (http://apigen.org/)
@@ -14,9 +14,11 @@ Note: This SDK only supports Apache PredictionIO version 0.8.2 or higher.
 
 ## Getting Started
 
-The easiest way to install PredictionIO PHP client is to use [Composer](http://getcomposer.org/).
+The easiest way to install PredictionIO PHP client is to use
+[Composer](http://getcomposer.org/).
 
-1. `predictionio` is available on [Packagist](https://packagist.org) and can be installed using [Composer](https://getcomposer.org/):
+1. `predictionio` is available on [Packagist](https://packagist.org) and can be
+installed using [Composer](https://getcomposer.org/):
 
         composer require predictionio/predictionio
 
@@ -75,19 +77,22 @@ print_r($response);
 
 ## Bugs and Feature Requests
 
-Use [Apache JIRA](https://issues.apache.org/jira/browse/PIO) to report bugs or request new features.
+Use [Apache JIRA](https://issues.apache.org/jira/browse/PIO) to report bugs or
+request new features.
 
 ## Community
 
 Keep track of development and community news.
 
-*   Subscribe to the user mailing list <mailto:user-subscribe@predictionio.apache.org>
-    and the dev mailing list <mailto:dev-subscribe@predictionio.apache.org>
+*   Subscribe to the [user mailing
+    list](mailto:user-subscribe@predictionio.apache.org) and the [dev mailing
+    list](mailto:dev-subscribe@predictionio.apache.org).
 *   Follow [@PredictionIO](https://twitter.com/PredictionIO) on Twitter.
 
 ## Contributing
 
-Read the [Contribute Code](http://predictionio.apache.org/community/contribute-code/) page.
+Read the [Contribute
+Code](http://predictionio.apache.org/community/contribute-code/) page.
 
 ## License
 

build.xml

@@ -10,8 +10,10 @@
       </then>
       <else>
         <echo message="Installing composer" />
-        <exec command="curl -s http://getcomposer.org/installer | php" passthru="true" />
-        <exec command="php composer.phar install --dev" passthru="true" />
+        <exec command="php -r &quot;copy('https://getcomposer.org/installer', 'composer-setup.php');&quot;" passthru="true" />
+        <exec command="php -r &quot;if (hash_file('SHA384', 'composer-setup.php') === '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;&quot;" passthru="true" />
+        <exec command="php composer-setup.php" passthru="true" />
+        <exec command="php -r &quot;unlink('composer-setup.php');&quot;" passthru="true" />
       </else>
     </if>
   </target>
@@ -26,7 +28,11 @@
   </target>
 
   <target name="apigen">
-    <exec command="apigen -s src -d docs --title 'PredictionIO API PHP Client'" passthru="true" />
+    <exec command="vendor/apigen/apigen/bin/apigen generate -s src -d docs --title 'PredictionIO API PHP Client'" passthru="true" />
+  </target>
+
+  <target name="test">
+    <exec command="vendor/phpunit/phpunit/phpunit" passthru="true" />
   </target>
 
 </project>

composer.json

@@ -15,17 +15,18 @@
     "authors": [
         {
             "name": "Apache PredictionIO",
-            "email": "user@predictionio.apache.org",
+            "email": "dev@predictionio.apache.org",
             "homepage": "http://predictionio.apache.org"
         }
     ],
     "require": {
-        "php": ">=5.5.0",
+        "php": ">=5.6.0",
         "guzzlehttp/guzzle": "^6.1"
     },
     "require-dev": {
-        "symfony/class-loader": "~2.3",
-        "phpunit/phpunit": "^4.7"
+        "symfony/class-loader": "^2.3",
+        "phpunit/phpunit": "^4.7",
+        "apigen/apigen": "^4.1.2"
     },
     "autoload": {
         "psr-4": {