[imedia]

Подскажите как получить нормальный многомерный массив из этой строки
===>[{"id":"1","field_name":"1","xx":"4","yy":"4"},{"id ":"2","field_name":"1","xx":"5","yy":"5"},{"id":"3 ","field_name":"1","xx":"8","yy":"8"},{"id":"4","f ield_name":"1","xx":"19","yy":"4"}]<===(string)