local1

local t = {employees=
{employee= {
      {
        id= "1",
        firstName= "Tom",
        lastName= "Cruise",
        ["photo"]= "https=//jsonformatter.org/img/tom-cruise.jpg"
      },
      {
        id= "2",
        firstName= "Maria",
        lastName= "Sharapova",
        ["photo"]= "https=//jsonformatter.org/img/Maria-Sharapova.jpg"
      },
      {
        id= "3",
        firstName= "Robert",
        lastName= "Downey Jr.",
        ["photo"]= "https=//jsonformatter.org/img/Robert-Downey-Jr.jpg"
      }
    }
  }
}

function containsKey(t, key, value)
--print("containsKey", key, value)
for _, k in ipairs(t) do
if k == key then
print(k, "matches", key)
return true
end
end
end
function containsValue(t, key, value)
--print("containsValue", key, value)
for _, v in ipairs(t) do
if v == value then
--print(k, "matches", value)
return true
end
end
end
function printTable(t1, tab, skipValues, callback)
if not skipValues then
skipValues = {}
end
	if tab then
		tab = tab .. "\t"
	else
		tab = ""
	end
	for k, v in pairs(t1) do
if callback(skipValues, k) then
--print(tab, k, "= skipped")
return v
else
		if type(v) == "table" then
			--print(tab, k, "{")
			rv = printTable(v, tab, skipValues, callback)
if rv then
return rv
end
--print(tab, "}")
		else
if callback(skipValues, k, v) then
--print(tab, k, "= skipped")
return v
else
			--print(tab, k, "=", v)
end
		end
end
	end
end

rv = printTable(t, nil, {"employee"}, containsKey)
if type(rv) == "table" then
rv = printTable(rv, nil, {"Cruise"}, containsValue)
end

print("final:", rv)

local2

local t = {employees=
{employee= {
      {
        id= "1",
        firstName= "Tom",
        lastName= "Tom Cruise",
        ["photo"]= "https=//jsonformatter.org/img/tom-cruise.jpg"
      },
      {
        id= "2",
        firstName= "Eve Maria",
        lastName= "Sharapova",
        ["photo"]= "https=//jsonformatter.org/img/Maria-Sharapova.jpg"
      },
      {
        id= "3",
        firstName= "Robert",
        lastName= "Downey Jr.",
        ["photo"]= "https=//jsonformatter.org/img/Robert-Downey-Jr.jpg"
      }
    }
  }
}

function containsKey(t, key, value)
--print("containsKey", key, value)
for _, k in ipairs(t) do
if k == key then
print(k, "matches", key)
return true
end
end
end
function containsValue(t, key, value)
--print("containsValue", key, value)
for _, v in ipairs(t) do
if value and string.match(value, v) then
--print(k, "matches", value)
return true
end
end
end
function printTable(t1, tab, skipValues, callback)
if not skipValues then
skipValues = {}
end
	if tab then
		tab = tab .. "\t"
	else
		tab = ""
	end
	for k, v in pairs(t1) do
if callback(skipValues, k) then
--print(tab, k, "= skipped")
return v
else
		if type(v) == "table" then
			--print(tab, k, "{")
			rv = printTable(v, tab, skipValues, callback)
if rv then
return rv
end
--print(tab, "}")
		else
if callback(skipValues, k, v) then
--print(tab, k, "= skipped")
return v
else
			--print(tab, k, "=", v)
end
		end
end
	end
end

rv = printTable(t, nil, {"employee"}, containsKey)
if type(rv) == "table" then
rv = printTable(rv, nil, {"Maria"}, containsValue)
end

print("final:", rv)