Problème avec un tableau

[arenaTeams] => Array
                (
                    [0] => stdClass Object
                        (
                            [name] => Ragna nous tuera
                            [personalRating] => 1656
                            [teamRating] => 1655
                            [size] => 2v2
                        )

                    [1] => stdClass Object
                        (
                            [name] => nul en pve nul en pvp
                            [personalRating] => 1835
                            [teamRating] => 1835
                            [size] => 3v3
                        )

                )

<?php
function get_arena_personalRating($api, $size)
{
	$profile = $api->pull_JSON();

	foreach($profile->pvp->arenaTeams as $team)
	{
		echo '<pre>';
		p($team);
		echo '</pre>';

		if($team->size === $size)
			return $team->personalRating;

		else
			return 0;
	}

	return null;
}
?>

<?php
echo '2v2 - '.get_arena_personalRating($api, '2v2').'<br />';
echo '3v3 - '.get_arena_personalRating($api, '3v3').'<br />';
echo '5v5 - '.get_arena_personalRating($api, '5v5');
?>

stdClass Object
(
    [name] => Ragna nous tuera
    [personalRating] => 1656
    [teamRating] => 1655
    [size] => 2v2
)

2v2 - 1656

stdClass Object
(
    [name] => Ragna nous tuera
    [personalRating] => 1656
    [teamRating] => 1655
    [size] => 2v2
)

3v3 - 0

stdClass Object
(
    [name] => Ragna nous tuera
    [personalRating] => 1656
    [teamRating] => 1655
    [size] => 2v2
)

5v5 - 0

stdClass Object
(
    [name] => Ragna nous tuera
    [personalRating] => 1656
    [teamRating] => 1655
    [size] => 2v2
)

2v2 - 1656

stdClass Object
(
    [name] => nul en pve nul en pvp
    [personalRating] => 1835
    [teamRating] => 1835
    [size] => 3v3
)

3v3 - 1835

5v5 - 0

		if($team->size [color=red]===[/color] $size)
			return $team->personalRating;

		else