รูปแบบนี้<td><?=$budget['money'];?></td> ใช้ number_format ยังครับ ให้ออกเลข x,000.00

number_format($budget['money'],2);
echo number_format($sumBudget,2);

<?php

$number = 1234.56;

// english notation (default)
$english_format_number = number_format($number);
// 1,235

// French notation
$nombre_format_francais = number_format($number, 2, ',', ' ');
// 1 234,56

$number = 1234.5678;

// english notation without thousands separator
$english_format_number = number_format($number, 2, '.', '');
// 1234.57

?>