refs #12895 , php error.
refs #12895
refs #12895 , custom search reference error.
refs #12895 , passed by assign new object error
refs #12895 , CRM-8388, Assigning the return value of new by reference
deprecated
refs #12895 , CRM-8388, Assigning the return value of new by reference deprecated
refs #12895 , format coding standard using coder-format