3v4l.org

run code in 300+ PHP versions simultaneously
<?php $argv[1] = '-040.010'; $argv[1] = '-0000100.123400000'; $_=$argv[1];$t=trim('-'==$_[0]?$n=$_=trim($_,'-'):$_,0); $t=trim('-'==($_=$argv[1])[0]?$n=$_=trim($_,'-'):$_,0); $R = explode('.',$t); echo strlen($R[1]).($t!==$_?($n?' -':' ').$t:'');

preferences:
36.62 ms | 402 KiB | 5 Q