- array_map: documentation ( source)
- var_dump: documentation ( source)
<?php
$organizations = array(
(object)array(
'id' => 1
),
(object)array(
'id' => 2
),
(object)array(
'id' => 3
),
);
$organizationIds = array_map(function ($organization) {
return $organization->id;
}, $organizations);
var_dump($organizationIds);