PHP Decode

--TEST--
Test array_column() function: testing with objects
--FILE--
<?php

class User
{
    public $id, $first_name, $last_name;

    public function __construct($id, $first_name, $last_name)
    {
        $this->id = $id;
        $this->first_name = $first_name;
        $this->last_name = $last_name;
    }
}

function newUser($id, $first_name, $last_name)
{
    $o = new stdClass;
    $o->{0} = $id;
    $o->{1} = $first_name;
    $o->{2} = $last_name;

    return $o;
}

class Something
{
    public function __isset($name)
    {
        return $name == 'first_name';
    }

    public function __get($name)
    {
        return new User(4, 'Jack', 'Sparrow');
    }
}

$records = array(
    newUser(1, 'John', 'Doe'),
    newUser(2, 'Sally', 'Smith'),
    newUser(3, 'Jane', 'Jones'),
    new User(1, 'John', 'Doe'),
    new User(2, 'Sally', 'Smith'),
    new User(3, 'Jane', 'Jones'),
    new Something,
);

echo "*** Testing array_column() : object property fetching (numeric property names) ***\n";

echo "-- first_name column from recordset --\n";
var_dump(array_column($records, 1));

echo "-- id column from recordset --\n";
var_dump(array_column($records, 0));

echo "-- last_name column from recordset, keyed by value from id column --\n";
var_dump(array_column($records, 2, 0));

echo "-- last_name column from recordset, keyed by value from first_name column --\n";
var_dump(array_column($records, 2, 1));

echo "*** Testing array_column() : object property fetching (string property names) ***\n";

echo "-- first_name column from recordset --\n";
var_dump(array_column($records, 'first_name'));

echo "-- id column from recordset --\n";
var_dump(array_column($records, 'id'));

echo "-- last_name column from recordset, keyed by value from id column --\n";
var_dump(array_column($records, 'last_name', 'id'));

echo "-- last_name column from recordset, keyed by value from first_name column --\n";
var_dump(array_column($records, 'last_name', 'first_name'));

echo "Done\n";
?>
--EXPECT--
*** Testing array_column() : object property fetching (numeric property names) ***
-- first_name column from recordset --
array(3) {
  [0]=>
  string(4) "John"
  [1]=>
  string(5) "Sally"
  [2]=>
  string(4) "Jane"
}
-- id column from recordset --
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
}
-- last_name column from recordset, keyed by value from id column --
array(3) {
  [1]=>
  string(3) "Doe"
  [2]=>
  string(5) "Smith"
  [3]=>
  string(5) "Jones"
}
-- last_name column from recordset, keyed by value from first_name column --
array(3) {
  ["John"]=>
  string(3) "Doe"
  ["Sally"]=>
  string(5) "Smith"
  ["Jane"]=>
  string(5) "Jones"
}
*** Testing array_column() : object property fetching (string property names) ***
-- first_name column from recordset --
array(4) {
  [0]=>
  string(4) "John"
  [1]=>
  string(5) "Sally"
  [2]=>
  string(4) "Jane"
  [3]=>
  object(User)#8 (3) {
    ["id"]=>
    int(4)
    ["first_name"]=>
    string(4) "Jack"
    ["last_name"]=>
    string(7) "Sparrow"
  }
}
-- id column from recordset --
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
}
-- last_name column from recordset, keyed by value from id column --
array(3) {
  [1]=>
  string(3) "Doe"
  [2]=>
  string(5) "Smith"
  [3]=>
  string(5) "Jones"
}
-- last_name column from recordset, keyed by value from first_name column --
array(3) {
  ["John"]=>
  string(3) "Doe"
  ["Sally"]=>
  string(5) "Smith"
  ["Jane"]=>
  string(5) "Jones"
}
Done