How to keep one decimal place in PHP without rounding

PHP method of retaining one decimal point and not rounding: 1. Use the function [number_format], the code is [$total=number_format(2/3,1)]; 2. Use the function [$total_1 =sprintf( "%.1f ",2/3)].

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PHP retains decimal points The last digit and not rounded method:

Commonly used methods are as follows:

<?php 
$total = 1225.49.5;
$total = floor( ($total*0.95)* 10 ) /10;      // $total = floor( $total * 9.5 ) /10;  这样写得到的值更精确            
$total = sprintf(&#39;%.1f&#39;, (float)$total); 
echo $total;
?>

Output result: 1225.4

php retains the decimal point Several methods for one person

<?php 
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 $total ."<br/>";
方法：$total_1 =sprintf( "%.1f ",2/3);      // 1f表示小数点后一位
echo $total_1 ."<br/>";
$total_2=printf( "%.1f ",2/3); 
echo $total_2."<br/>";
?>

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