Multidimensional array loop not displaying the result for objects - php

Question

I am getting the result from the SOAP client as an response. I just have to analyze the structure of the parameter and display the results accordingly. I have the following srucutre for SerialEquipment and i am getting the results peoperly for all the parameters except the Esaco parameter. The Esaco parameter is an array object and it resides inside the SerialEquipment array. I am trying to fetch the response from Esaco array object but getting an error as Invalid arguments supplied for foreach. I am not understanding how to get the results for Esaco Parameter by looping properly.Just a small mistake i am doing in looping the array.
Code:
foreach($Serial as $key => $obj)
{
echo "<b>"."Serial Equipment=>" . $key . "</b>"."<br>";
echo "Code=>". $obj->Code . "<br>";
echo "Desc Short=>". $obj->Desc_Short . "<br>";
echo "Desc Long=>". $obj->Desc_Long . "<br>";
foreach($obj->Esaco as $key2 => $obj2)
{
if($obj2 === null){
// doesn't contain Esaco
break;
}
else{
echo "<b>"."Esaco=>" . $key2 . "</b>"."<br>";
echo "EsacoMainGroupCode=>". $obj2->EsacoMainGroupCode . "<br>";
echo "EsacoMainGroupDesc=>". $obj2->EsacoMainGroupDesc . "<br>";
echo "EsacoSubGroupCode=>". $obj2->EsacoSubGroupCode . "<br>";
echo "EsacoSubGroupCode=>". $obj2->EsacoSubGroupDesc . "<br>";
echo "EsacoSubGroupCode=>". $obj2->EsacoGroupCode . "<br>";
echo "EsacoSubGroupCode=>". $obj2->EsacoGroupDesc . "<br>";
}
}
}
if($parameter['aktion'] == 'getVehicle')
{
$vehicle = getVehicleValuation();
$Serial=$vehicle['SerialEquipment'];
$VehicleFuel=$vehicle['VehicleFuel'];
foreach($VehicleFuel as $key => $obj2)
{
echo "Fuel Type=>". $obj2->Fuel_Type . "<br>";
echo "Fuel Type Code=>". $obj2->Fuel_Type_Code . "<br>";
echo "ECE_Unit=>". $obj2->ECE_Unit . "<br>";
echo "ECE_In=>". $obj2->ECE_In . "<br>";
echo "ECE_Out=>". $obj2->ECE_Out . "<br>";
echo "ECE_All=>". $obj2->ECE_All . "<br>";
echo "ECE_CO2=>". $obj2->ECE_CO2 . "<br>";
}
}
This is my structure for SerialEquipment:

Answer 1

if($parameter['aktion'] == 'getVehicle')
{
$vehicle = getVehicleValuation();
if(($serials = $vehicle['SerialEquipment']) === null){
// doesn't contain SerialEquipment
break;
}
foreach($serials as $serial){
print "Code =>" . $serial->Code . "<br>";
print "Desc Short =>" . $serial->Desc_Short . "<br>";
//...
foreach($serial->Esaco as $esaco){
print "EsacoMainGroupCode =>" . $esaco->EsacoMainGroupCode. "<br>";
print "EsacoMainGroupDesc =>" . $esaco->EsacoMainGroupDesc. "<br>";
//...
}
}
}
And for the VehicleFuel:
if($parameter['aktion'] == 'getVehicle')
{
$vehicle = getVehicleValuation();
$Serial=$vehicle['SerialEquipment'];
$VehicleFuel=$vehicle['VehicleFuel'];
$fuelType = $VehicleFuel->Fuel_Type;
// if there is only going to be one VehicleFuel object Vehicle, then just do..
echo "Fuel Type =>". fuelType->Fuel_Type . "<br>";
echo "Fuel Type Code =>". $fuelType->Fuel_Type_Code . "<br>";
// if there will be more than one, you will want to use a loop...
foreach($fuelType as $obj)
{
echo "Fuel Type=>". $obj->Fuel_Type . "<br>";
echo "Fuel Type Code=>". $obj->Fuel_Type_Code . "<br>";
echo "ECE_Unit=>". $obj->ECE_Unit . "<br>";
echo "ECE_In=>". $obj->ECE_In . "<br>";
echo "ECE_Out=>". $obj->ECE_Out . "<br>";
echo "ECE_All=>". $obj->ECE_All . "<br>";
echo "ECE_CO2=>". $obj->ECE_CO2 . "<br>";
}
}

Answer 2

The key Esaco is an object not an array. You should change your second foreach.
foreach($Serial as $key => $obj) {
echo "Serial Equipment=>" . $key . "<br>";
echo "Code=>". $obj->Code . "<br>";
echo "Desc Short=>". $obj->Desc_Short . "<br>";
echo "Desc Long=>". $obj->Desc_Long . "<br>";
foreach($obj->Esaco as $key2 => $obj2) {
echo $obj2;
//...
}
}