PHP：保留小数点后一位，并且不四舍五入

$total = 1225.49.5;

$total = floor( ($total*0.95)* 10 ) /10;

$total = sprintf('%.1f', (float)$total);

echo $total;

?>

输出结果：1225.4

php保留小数点后一位的几种方法

$total = number_format(2/3,1); // 1表示保留的是小数点后一位，会四舍五入
echo $total ."
";

$total_1 =sprintf( "%.1f ",2/3); // 1f表示小数点后一位
echo $total_1 ."
";

$total_2=printf( "%.1f ",2/3);
echo $total_2."
";

?>