CS var names in camelCase

lib/autoload.php

@@ -16,12 +16,12 @@ if (file_exists($composerPath)) {
  */
 spl_autoload_register(function ($class) {
     // project-specific namespace prefix and base directory with trailing /
-    $namespace_map = [
+    $namespaceMap = [
         'Redmine\\'        => __DIR__.'/Redmine/',
         'Redmine\\Tests\\' => __DIR__.'/../tests/',
     ];
 
-    foreach ($namespace_map as $prefix => $base_dir) {
+    foreach ($namespaceMap as $prefix => $baseDir) {
         // does the class use the namespace prefix?
         $len = strlen($prefix);
         if (strncmp($prefix, $class, $len) !== 0) {
@@ -30,12 +30,12 @@ spl_autoload_register(function ($class) {
         }
 
         // get the relative class name
-        $relative_class = substr($class, $len);
+        $relativeClass = substr($class, $len);
 
         // replace the namespace prefix with the base directory, replace namespace
         // separators with directory separators in the relative class name, append
         // with .php
-        $file = $base_dir.str_replace('\\', '/', $relative_class).'.php';
+        $file = $baseDir.str_replace('\\', '/', $relativeClass).'.php';
 
         // if the file exists, require it
         if (file_exists($file)) {