Introducing coding standards validation.

vendor/phpcompatibility/php-compatibility/PHPCompatibility/Sniffs/Syntax/NewShortArraySniff.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * \PHPCompatibility\Sniffs\Syntax\NewShortArray.
+ *
+ * PHP version 5.4
+ *
+ * @category PHP
+ * @package  PHPCompatibility
+ * @author   Alex Miroshnikov <unknown@example.com>
+ */
+
+namespace PHPCompatibility\Sniffs\Syntax;
+
+use PHPCompatibility\Sniff;
+use PHP_CodeSniffer_File as File;
+
+/**
+ * \PHPCompatibility\Sniffs\Syntax\NewShortArray.
+ *
+ * Short array syntax is available since PHP 5.4
+ *
+ * PHP version 5.4
+ *
+ * @category PHP
+ * @package  PHPCompatibility
+ * @author   Alex Miroshnikov <unknown@example.com>
+ */
+class NewShortArraySniff extends Sniff
+{
+
+    /**
+     * Returns an array of tokens this test wants to listen for.
+     *
+     * @return array
+     */
+    public function register()
+    {
+        return array(
+            T_OPEN_SHORT_ARRAY,
+            T_CLOSE_SHORT_ARRAY,
+        );
+    }
+
+
+    /**
+     * Processes this test, when one of its tokens is encountered.
+     *
+     * @param \PHP_CodeSniffer_File $phpcsFile The file being scanned.
+     * @param int                   $stackPtr  The position of the current token in
+     *                                         the stack passed in $tokens.
+     *
+     * @return void
+     */
+    public function process(File $phpcsFile, $stackPtr)
+    {
+        if ($this->supportsBelow('5.3') === false) {
+            return;
+        }
+
+        $tokens = $phpcsFile->getTokens();
+        $token  = $tokens[$stackPtr];
+
+        $error = '%s is available since 5.4';
+        $data  = array();
+
+        if ($token['type'] === 'T_OPEN_SHORT_ARRAY') {
+            $data[] = 'Short array syntax (open)';
+        } elseif ($token['type'] === 'T_CLOSE_SHORT_ARRAY') {
+            $data[] = 'Short array syntax (close)';
+        }
+
+        $phpcsFile->addError($error, $stackPtr, 'Found', $data);
+    }
+}