Add phpcs configuration

See phpmyadmin/sql-parser#112

Signed-off-by: Michal Čihař <michal@cihar.com>

Author: nijel

.gitignore

@@ -1,3 +1,4 @@
 composer.phar
 composer.lock
 /vendor/
+.php_cs.cache

.php_cs

@@ -0,0 +1,20 @@
+<?php
+
+// see https://github.com/FriendsOfPHP/PHP-CS-Fixer
+
+$finder = PhpCsFixer\Finder::create()
+    ->in(array(__DIR__.'/src', __DIR__.'/tests', __DIR__.'/examples'))
+;
+
+return PhpCsFixer\Config::create()
+    ->setRules(array(
+        '@PSR1' => true,
+        '@PSR2' => true,
+        '@Symfony' => true,
+        'array_syntax' => array('syntax' => 'long'),
+        'phpdoc_order' => true,
+        'no_trailing_whitespace' => true,
+        'concat_space' => array('spacing' => 'one'),
+    ))
+    ->setFinder($finder)
+;

composer.json

@@ -22,7 +22,8 @@
         "ext-dbase": "For dbf files parsing"
     },
     "require-dev": {
-        "phpunit/phpunit": "~5.2 || ~4.8"
+        "phpunit/phpunit": "~5.2 || ~4.8",
+        "friendsofphp/php-cs-fixer": "^2.0"
     },
     "autoload": {
         "psr-4": {