php中的回合数取决于值

I know the following code will remove the numbers are the point. round($number);

I want to round the numbers as follows if number is 20.123 I want result 20, If number is 20.567 I want result 21

Means if value is below .5 , it should remove that value. If value if .5 or above it should round up. How ? Anyone help ?

round($number) will do what you want:

round(20.156); // 20
round(20.651); // 21

Live example

Try this:

use the ceil, floor, explode and substr function to achieve you value.

$num = "20.123";
$arr = explode(".", $num);

if(substr($arr[1], 0, 1) >= 5){
    $num = ceil($num);
}else{
    $num = floor($num);
}
echo $num;

Result:

20

Also you can use the round function.

round(20.156); // 20
round(20.651); // 21

I am sure it's working well.

<?php
$var = 22.443;
$var = number_format($var, 0, '.', ''); 
echo $var;
?>

function get_decimal_num($number){
    $num = explode('.', $number);
    return $num[1];
}
$num = 10.5 ; // for example

$val = get_decimal_num($num);

if($val >= 5)
{
  $value = (int) $num;
  echo $value = $value + 1;
}
if($val < 5)
{
  echo $num;
}

Plese check it...