lib: Introduce function `String::cname()'

library/Icinga/Util/String.php

@@ -21,4 +21,18 @@ class String
     {
         return array_map('trim', explode($delimiter, $value));
     }
+
+    /**
+     * Uppercase the first character of each word in a string assuming and removing the underscore as word separator
+     *
+     * Converts 'first_name' to 'firstName' for example.
+     *
+     * @param   string $name
+     *
+     * @return  string
+     */
+    public static function cname($name)
+    {
+        return str_replace(' ', '', ucwords(str_replace('_', ' ', strtolower($name))));
+    }
 }