{
  "name": "array_all",
  "type": "function",
  "description": "Returns true if an array contains the all values of a given array.",
  "arguments": [ {"arg":"array_a","description":"an array"},
                 {"arg":"array_b","description":"the array of values to search"}],
  "examples": [ { "expression":"array_all(array(1,2,3),array(2,3))", "returns":"true"},
                { "expression":"array_all(array(1,2,3),array(1,2,4))", "returns":"false"}]
}