i want my foreach loop test specefic $key of "age"from my associative decoded json data for example and ascending or descendig sort whole array by value of "age" can anyone help me?
[
  {
    "number": 1,
    "name": "masoud ahmadi",
    "age": 16,
    "school": "Amir kabir"
  },
  {
    "number": 2,
    "name": "mohammad hosseini",
    "age": 14,
    "school": "Andishe"
  },
  {
    "number": 3,
    "name": "Mohammad hosseini",
    "age": 14,
    "school": "Allame"
  },
  {
    "number": 4,
    "name": "ali akabr",
    "age": 16,
    "school": "Allame"
  }
]
 
    