如何在codeigniter中解析rest api数组并插入数据库

Question

在codeigniter中，当值为多个数组时，如何将此值插入数据库

 {tat=6, 
    sId=up, 
    muid=2, 
    cId=msVK,
    photo=, 
    Id=564564, 
    questions={34=Yes, 46=good, 48=NA, 29=Yes, 45=ravi, 49=Negative , 43=1 BHK, 35=Neighbour, 38=14, 39=9, 27=1, 
    41=Married, 52=v@mm.com, 47=good, 31=Bunglow, 33=Middle Class, 37=Owned By Parents, 30=good, 50=easy, 
    51=comments, 32=No, 44=[MusicSystem , PC, Refrigerator, Airconditioner]}}