遍历PHP中的数组和子集

Question

I have the following array:

Array ( [@attributes] => Array ( [version] => 010 [release] => 006 ) [Header] => Array ( [To] => 6891118750001 [From] => 9911557 [MessageID] => 306b197fff044421b31c0a2a15e356c1 [RelatesToMessageID] => Resolution [SentTime] => 2014-09-16T12:19:50.8Z [Security] => Array ( [Sender] => Array ( [TertiaryIdentification] => 165 ) [Receiver] => Array ( [TertiaryIdentification] => 2341 ) ) [RxReferenceNumber] => RxRef# REFREQ 2.1 [PrescriberOrderNumber] => 13 ) [Body] => Array ( [RefillRequest] => Array ( [Pharmacy] => Array ( [Identification] => Array ( [NCPDPID] => 9911557 [NPI] => 1801849179 ) [StoreName] => CA Pharmacy 10.6MU [Address] => Array ( [AddressLine1] => 65432 Cabernet Turn [City] => Sonoma [State] => CA [ZipCode] => 95476 ) [CommunicationNumbers] => Array ( [Communication] => Array ( [Number] => 7075557071 [Qualifier] => TE ) ) ) [Prescriber] => Array ( [Identification] => Array ( [NPI] => 1234567893 ) [Name] => Array ( [LastName] => Jefferson ) [Address] => Array ( [AddressLine1 ] => 5555 Labelle Lane [City] => Gaithersburg [State] => MD [ZipCode] => 20877 ) [CommunicationNumbers] => Array ( [Communication] => Array ( [0] => Array ( [Number] => 3105551515 [Qualifier] => TE ) [1] => Array ( [Number] => 3015551516 [Qualifier] => FX ) ) ) ) [Patient] => Array ( [Name] => Array ( [LastName] => Li [FirstName] => Ci ) [Gender] => U [DateOfBirth] => Array ( [Date] => 1923-10-18 ) ) [MedicationPrescribed] => Array ( [DrugDescription] => ZIOPTAN 0.0015% Ophthalmic Solution [DrugCoded] => Array ( [ProductCode] => 00006393130 [ProductCodeQualifier] => ND ) [Quantity] => Array ( [Value] => 1 [CodeListQualifier] => 38 [UnitSourceCode] => AC [PotencyUnitCode] => C54702 ) [Directions] => D [Substitutions] => 0 [WrittenDate] => Array ( [Date] => 2014-04-01 ) ) [MedicationDispensed] => Array ( [DrugDescription] => ZIOPTAN 0.0015% Ophthalmic Solution [DrugCoded] => Array ( [ProductCode] => 00006393130 [ProductCodeQualifier] => ND [DrugDBCode] => 1244616 [DrugDBCodeQualifier] => SBD ) [Quantity] => Array ( [Value] => 1 [CodeListQualifier] => 38 [UnitSourceCode] => AC [PotencyUnitCode] => C54702 ) [Directions] => D [Substitutions] => 0 [WrittenDate] => Array ( [Date] => 2014-04-01 ) [LastFillDate] => Array ( [Date] => 2014-04-02 ) ) ) ) ) version = 010

but when I loop through it with this code:

function displayArrayRecursively($arr, $indent='') {
    if ($arr) {
        foreach ($arr as $value) {

            if (is_array($value)) {

                displayArrayRecursively($value, $indent . '');
            } else {
                echo key($arr) . " = $value<br>";
            }
        }
    }
}

displayArrayRecursively($arrXml);

It prints all the values but not all the correct subset key names are associated. Any ideas?

Thanks!

NCoder

Answer 1

Don't use the key() function but access your array key directly with the variable $key (or whatever name) of foreach() . Also, you weren't even using the variable $indent , so I added the piece of code you needed. This is the function you are looking for:

function displayArrayRecursively($arr, $indent='')
{
    if ($arr)
        foreach ($arr as $key => $value)
            if (is_array($value))
                displayArrayRecursively($value, $indent.'--');
            else
                echo $indent.$key." = $value<br>";
}