#102 Add alternatives for php function is discouraged

Author: diazwatson

Magento2/Sniffs/Functions/DiscouragedFunctionSniff.php

@@ -53,14 +53,14 @@ class DiscouragedFunctionSniff extends ForbiddenFunctionsSniff
         '^dcngettext$' => null,
         '^dgettext$' => null,
         '^dio_.*$' => null,
-        '^dirname$' => null,
+        '^dirname$' => 'Magento\Framework\Filesystem\Io\File->dirname()',
         '^dngettext$' => null,
         '^domxml_.*$' => null,
         '^fbsql_.*$' => null,
         '^fdf_add_doc_javascript$' => null,
         '^fdf_open$' => null,
-        '^fopen$' => null,
-        '^fclose$' => null,
+        '^fopen$' => '\Magento\Framework\Filesystem\Driver\File->fileOpen()',
+        '^fclose$' => '\Magento\Framework\Filesystem\Driver\File->fileClose()',
         '^fsockopen$' => null,
         '^ftp_.*$' => null,
         '^fwrite$' => null,
@@ -194,24 +194,24 @@ class DiscouragedFunctionSniff extends ForbiddenFunctionsSniff
         '^gettype$' => null,
         '^var_dump$' => null,
         '^tempnam$' => null,
-        '^realpath$' => null,
+        '^realpath$' => '\Magento\Framework\Filesystem\Driver\File->getRealPath()',
         '^linkinfo$' => null,
         '^lstat$' => null,
         '^stat$' => null,
         '^lchgrp$' => null,
         '^lchown$' => null,
         '^show_source$' => null,
-        '^is_dir$' => null,
+        '^is_dir$' => '\Magento\Framework\Filesystem\Driver\File->isDirectory()',
         '^is_executable$' => null,
-        '^is_file$' => null,
+        '^is_file$' => '\Magento\Framework\Filesystem\Driver\File->isFile()',
         '^is_link$' => null,
-        '^is_readable$' => null,
-        '^is_writable$' => null,
-        '^is_writeable$' => null,
+        '^is_readable$' => '\Magento\Framework\Filesystem\Driver\File->isReadable()',
+        '^is_writable$' => 'Magento\Framework\Filesystem\Io\File->isWriteable()',
+        '^is_writeable$' => 'Magento\Framework\Filesystem\Io\File->isWriteable()',
         '^is_uploaded_file$' => null,
         '^glob$' => null,
         '^ssh2_.*$' => null,
-        '^delete$' => null,
+        '^delete$' => '\Magento\Framework\Filesystem\Driver\File->deleteFile()',
         '^file.*$' => null,
         '^chop$' => 'rtrim()',
         '^sizeof$' => 'count()',