iterating through a stdClass object in PHP

问题

I have an object like this:

stdClass Object
(
    [_count] => 10
    [_start] => 0
    [_total] => 37
    [values] => Array
        (
            [0] => stdClass Object
                (
                    [_key] => 50180
                    [group] => stdClass Object
                        (
                            [id] => 50180
                            [name] => CriticalChain
                        )

                )

            [1] => stdClass Object
                (
                    [_key] => 2357895
                    [group] => stdClass Object
                        (
                            [id] => 2357895
                            [name] => Data Modeling
                        )

                )

            [2] => stdClass Object
                (
                    [_key] => 1992105
                    [group] => stdClass Object
                        (
                            [id] => 1992105
                            [name] => SQL Server Users in Israel
                        )

                )

            [3] => stdClass Object
                (
                    [_key] => 37988
                    [group] => stdClass Object
                        (
                            [id] => 37988
                            [name] => CDO/CIO/CTO Leadership Council
                        )

                )

            [4] => stdClass Object
                (
                    [_key] => 4024801
                    [group] => stdClass Object
                        (
                            [id] => 4024801
                            [name] => BiT-HR, BI & IT Placement Agency
                        )

                )

            [5] => stdClass Object
                (
                    [_key] => 37845
                    [group] => stdClass Object
                        (
                            [id] => 37845
                            [name] => Israel Technology Group
                        )

                )

            [6] => stdClass Object
                (
                    [_key] => 51464
                    [group] => stdClass Object
                        (
                            [id] => 51464
                            [name] => Israel DBA's
                        )

                )

            [7] => stdClass Object
                (
                    [_key] => 66097
                    [group] => stdClass Object
                        (
                            [id] => 66097
                            [name] => SQLDBA
                        )

                )

            [8] => stdClass Object
                (
                    [_key] => 4462353
                    [group] => stdClass Object
                        (
                            [id] => 4462353
                            [name] => Israel High-Tech Group
                        )

                )

            [9] => stdClass Object
                (
                    [_key] => 4203807
                    [group] => stdClass Object
                        (
                            [id] => 4203807
                            [name] => Microsoft Team Foundation Server
                        )

                )

        )

)

I need to get the id and name in an HTML table, but I seem to have a hard time iterating through this object. TIA. I understand that I need to get to the Values Array, and then to the group object, but I trip over the transitions between object and array and foreach vs index based iteration.

For example I tried this:

foreach ($res as $values) { print "\n"; print_r ($values); } 

It iterates trough the object, but it also gives me useless

10 0 37

回答1:

echo "<table>"

foreach ($object->values as $arr) {
    foreach ($arr as $obj) {
        $id   = $obj->group->id;
        $name = $obj->group->name;

        $html  = "<tr>";
        $html .=    "<td>Name : $name</td>";
        $html .=    "<td>Id   : $id</td>";
        $html .= "</tr>";
    }
}

echo "</table>";

回答2:

function objectToArray( $data ) 
{
    if ( is_object( $data ) ) 
        $d = get_object_vars( $data );
}

Convert the Object to array first like:

$results = objectToArray( $results );

and use

foreach( $results as result ){... ...}

回答3:

foreach($res->values as $value) {
    print_r($value);
}

回答4:

I know it's an old post , but for sake of others: when working with stdClass you should use Reflections:

  $obj = new ReflectionObject($object);

  $propeties = $obj->getProperties();

      foreach($properties as $property) {
        $name = $property->getName();  <-- this is the reflection class
        $value = $object->$name;       <--- $object is your original $object

            here you need to handle the result (store in array etc)



        }

来源：https://stackoverflow.com/questions/16287782/iterating-through-a-stdclass-object-in-php