php float 2 digits code example

Example 1: php float 2 decimais

$foo = "105";
echo number_format((float)$foo, 2, '.', '');

Example 2: php number format

$num = 12345.6789;
echo number_format($num, 2, '.', '') //12345.67
echo number_format($num, 3, ',', '.') //12.345,678