A small example of formatting numbers in PHP. Example of how to use the number_format function.

print number_format(100000.56);
?>

Example 2, number_format($n, $p, $t, $d) rounds $n to $ p decimal places, using $t as the thousands separator and $d as the decimal separator.

 echo "Total charge is ", number_format($total, 2, ".", ","), " Euros";
?>

Example 3. The number_format function is used in English format and Italian format

 $a = 1232322210.44;
 echo number_format ($a, 2); // English format
 echo "n";
 echo number_format ($a, 2, ',', '.'); // Italian format
 echo "n";
?>

Example 4, output formatted number form

print "The population of the US is about:";
print number_format(285266237);
?>