Multiple date selector used in the same id in php

For the date of the month

                                            
<input type = "text" id = "datep" placeholder = "DD-MM-YYYY" class = "form control" name = "For_Month_Date" value = "">
                                            
<input type = "text" id = "datep" placeholder = "DD-MM-YYYY" class = "form control" name = "For_Month_Date" value = "">