Move split function.

src/wordclock_esp8266.cpp

@@ -939,37 +939,6 @@ void handle_command()
     webserver.send(204, "text/plain", "No Content"); // this page doesn't send back content --> 204
 }
 
-/**
- * @brief Splits a string at given character and return specified element
- *
- * @param s string to split
- * @param parser separating character
- * @param index index of the element to return
- * @return String
- */
-String split(String s, char parser, int index)
-{
-    String rs = "";
-    int parser_cnt = 0;
-    int r_from_index = 0, r_to_index = -1;
-    while (index >= parser_cnt)
-    {
-        r_from_index = r_to_index + 1;
-        r_to_index = s.indexOf(parser, r_from_index);
-        if (index == parser_cnt)
-        {
-            if (r_to_index == 0 || r_to_index == -1)
-            {
-                return "";
-            }
-            return s.substring(r_from_index, r_to_index);
-        }
-        else
-            parser_cnt++;
-    }
-    return rs;
-}
-
 /**
  * @brief Handler for GET requests
  *