Add support for coveralls.io (#153)

* Add support for coveralls.io

* Generate coverage report only on php 7.2 build

* Fix osx travis build and move tools to bin dir

* Update php version badge

* Fix travis conditional statement

* Fix travis conditional statement

* 🤦 fix bin path

.gitignore

@@ -4,3 +4,5 @@ humbuglog.*
 .coverage
 .php_cs.cache
 /bin/php-cs-fixer
+/bin/coveralls
+/build

.travis.yml

@@ -6,9 +6,11 @@ matrix:
   include:
     - os: linux
       php: '7.1'
+      env: DISABLE_XDEBUG="true"
 
     - os: linux
       php: '7.2'
+      env: PHPUNIT_FLAGS="--coverage-clover build/logs/clover.xml"
 
     - os: osx
       osx_image: xcode7.3
@@ -18,12 +20,19 @@ matrix:
         - _PHP: php71
 
 before_install:
-  - if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then /usr/bin/env bash tools/prepare_osx_env.sh ; fi
+  - if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then /usr/bin/env bash bin/prepare_osx_env.sh ; fi
+  - if [[ DISABLE_XDEBUG == "true" ]]; then phpenv config-rm xdebug.ini; fi
 
 install:
-  - if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then /usr/bin/env bash tools/handle_brew_pkg.sh "${_PHP}" ; fi
+  - if [[ "${TRAVIS_OS_NAME}" == "osx" ]]; then /usr/bin/env bash bin/handle_brew_pkg.sh "${_PHP}" ; fi
   - curl -s http://getcomposer.org/installer | php
   - php composer.phar install --dev --no-interaction --ignore-platform-reqs
 
 script:
-  - bin/phpunit
+  - bin/phpunit $PHPUNIT_FLAGS
+
+after_success:
+  - |
+    if [[ $PHPUNIT_FLAGS != "" ]]; then
+      php bin/coveralls -v
+    fi

README.md

@@ -1,11 +1,12 @@
 # PHP-ML - Machine Learning library for PHP
 
-[![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%207.0-8892BF.svg)](https://php.net/)
+[![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%207.1-8892BF.svg)](https://php.net/)
 [![Latest Stable Version](https://img.shields.io/packagist/v/php-ai/php-ml.svg)](https://packagist.org/packages/php-ai/php-ml)
 [![Build Status](https://scrutinizer-ci.com/g/php-ai/php-ml/badges/build.png?b=master)](https://scrutinizer-ci.com/g/php-ai/php-ml/build-status/master)
 [![Documentation Status](https://readthedocs.org/projects/php-ml/badge/?version=master)](http://php-ml.readthedocs.org/)
 [![Total Downloads](https://poser.pugx.org/php-ai/php-ml/downloads.svg)](https://packagist.org/packages/php-ai/php-ml)
 [![License](https://poser.pugx.org/php-ai/php-ml/license.svg)](https://packagist.org/packages/php-ai/php-ml)
+[![Coverage Status](https://coveralls.io/repos/github/php-ai/php-ml/badge.svg?branch=coveralls)](https://coveralls.io/github/php-ai/php-ml?branch=coveralls)
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/php-ai/php-ml/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/php-ai/php-ml/?branch=master)
 
 <a href="http://www.yegor256.com/2016/10/23/award-2017.html">

composer.json

@@ -21,7 +21,8 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^6.0",
-        "friendsofphp/php-cs-fixer": "^2.4"
+        "friendsofphp/php-cs-fixer": "^2.4",
+        "php-coveralls/php-coveralls": "^1.0"
     },
     "config": {
         "bin-dir": "bin"

docs/index.md

@@ -1,11 +1,12 @@
 # PHP-ML - Machine Learning library for PHP
 
-[![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%207.0-8892BF.svg)](https://php.net/)
+[![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%207.1-8892BF.svg)](https://php.net/)
 [![Latest Stable Version](https://img.shields.io/packagist/v/php-ai/php-ml.svg)](https://packagist.org/packages/php-ai/php-ml)
 [![Build Status](https://scrutinizer-ci.com/g/php-ai/php-ml/badges/build.png?b=master)](https://scrutinizer-ci.com/g/php-ai/php-ml/build-status/master)
 [![Documentation Status](https://readthedocs.org/projects/php-ml/badge/?version=master)](http://php-ml.readthedocs.org/)
 [![Total Downloads](https://poser.pugx.org/php-ai/php-ml/downloads.svg)](https://packagist.org/packages/php-ai/php-ml)
 [![License](https://poser.pugx.org/php-ai/php-ml/license.svg)](https://packagist.org/packages/php-ai/php-ml)
+[![Coverage Status](https://coveralls.io/repos/github/php-ai/php-ml/badge.svg?branch=coveralls)](https://coveralls.io/github/php-ai/php-ml?branch=coveralls)
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/php-ai/php-ml/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/php-ai/php-ml/?branch=master)
 
 <a href="http://www.yegor256.com/2016/10/23/award-2017.html">