Question

I got a string value in number, like 2345.567, I want to keep only one character after the decimal. I dont want to use any Number function, I just want to remove any number of character after the period (dot)?

Answer 1

<?php
$str =  "2345.567";
$ip = explode('.',$str);
echo $ip[0].".".substr($ip[1],0,1)
?>

after edit:

<?php
// case:  if there is no decimal place
echo $ip[0]."".($ip[1]?".".substr($ip[1],0,1):'');
?>