Почему не отображаются аватарки?

<div class="panel panel-default">
	<?php	
		include("db_connect.php");
		$usersData = [];
		$steamIds = [];
        $query = "SELECT steam_id FROM users_profiles ORDER BY `id` DESC limit 15";
        $result = mysql_query($query)or die("MySQL Error");
        if (mysql_num_rows($result) > 0) {
            while ($row = mysql_fetch_assoc($result)) {
                $usersData[$row['steam_id']] = $row;
				$steamIds = $row['steam_id'];
            }
        }

		$url = "http://api.steampowered.com/ISteamUser/GetPlayerSummaries/v0002/?key=".$steamauth['apikey']."&steamids=" . join(',', $steamIds);
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
		curl_setopt($ch, CURLOPT_URL,$url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
		$result=curl_exec($ch);
		curl_close($ch);
		$steamData = json_decode($result, true);
		
		foreach($steamData['response']['players'] as &$player) {
			$usersData[$player['steamid']]['steam_avatar'] = $player['avatarfull'];
			$usersData[$player['steamid']]['steam_name'] = $player['personaname'];
		}
		
		$chunked = array_chunk($usersData, 3);	
	?>
	  
  <table class="table table-striped table-responsive table-bordered">
	<tbody>
		<?php foreach($chunked as &$chunked_row): ?>
			<tr>
				<?php foreach($chunked_row as &$chunked_cell): ?>
					<td>
						<center>
							<img src="<?= htmlspecialchars($chunked_cell['steam_avatar']); ?>" width="50px" height="50px"/>
							<?= htmlspecialchars($chunked_cell['steam_avatar']); ?>
						</center>
					</td>
				<?php endforeach; ?>
			</tr>
		<?php endforeach; ?>
    </tbody>
  </table>
</div>

<div class="panel panel-default">
	<div class="panel-body">
		<div class="col-md-12">
			<center>
				<div class="col-md-4">
					<h2><i class='fa fa-area-chart fa-2x'></i> All statistics</h2>
					All CS:GO statistics are available here.
				</div>
				<div class="col-md-4">
					<h2><i class='fa fa-fighter-jet fa-2x'></i> Fast response</h2>
					Statistics are shown really fast, but also you need a good internet speed.
				</div>
				<div class="col-md-4">
					<h2><i class='fa fa-lock fa-2x'></i> Security</h2>
					All is secure. We don't use database for anything.<br /> We will never ask for your Steam password.
				</div>
			</center>
		</div>
	</div>
</div>