superficial bits in preparation for #503

Author: shish

generator/src/FileCreator.php

@@ -28,14 +28,21 @@ public function generatePhpFile(array $functions, string $path): void
 
         foreach ($phpFunctionsByModule as $module => $phpFunctions) {
             $lcModule = \lcfirst($module);
+            if (!is_dir($path)) {
+                \mkdir($path);
+            }
             $stream = \fopen($path.$lcModule.'.php', 'w');
             if ($stream === false) {
                 throw new \RuntimeException('Unable to write to '.$path);
             }
+
+            // Write file header
             \fwrite($stream, "<?php\n
 namespace Safe;
 
 use Safe\\Exceptions\\".self::toExceptionName($module). ';');
+
+            // Write file header
             foreach ($phpFunctions as $phpFunction) {
                 \fwrite($stream, "\n".$phpFunction);
             }

generator/src/GenerateCommand.php

@@ -23,6 +23,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
     {
 
         $this->rmGenerated();
+
         // Let's build the DTD necessary to load the XML files.
         DocPage::buildEntities();
         $scanner = new Scanner(__DIR__ . '/../doc/doc-en/en/reference/');