php格式化数字的小例子number_format函数的用法举例

2. print number_format(100000.56 );
3. ?>

例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.

2. echo "Total charge is ", number_format($total, 2, ".", ","), " Euros";
3. ?>

例3，number_format函数用于English format and Italian format

3. $a = 1232322210.44;

4. echo number_format ($a, 2); // English format
5. echo "\n";
6. echo number_format ($a, 2, ',', '.'); // Italian format
7. echo "\n";
8. ?>

例4，输出格式化的数字形式

2. print "The population of the US is about:";
3. print number_format(285266237);
4. ?>