Online PHP editor | output for T846U

<?php error_reporting(0); function x($v){ $argv[1] = $v; echo strlen((explode('.',$t=trim('-'==($_=$argv[1])[0]?$n=$_=trim($_,'-'):$_,0)))[1]).($t!==$_?($n?' -':' ').$t:''); echo "\n"; echo strlen((explode('.',$t=trim('-'==($_=$argv[1])[0]?$n=$_=trim($_,'-'):$_,0)))[1]).($t!==$_?($n?' -':' ').('.'==$t[0]?0:'').$t:''); echo "\n"; } x('-12.32'); x('32'); x('3231.432'); x('-34.0'); x('023'); x('00324.230'); x('10'); x('00.3'); x('0'); x('-0'); x('-04.8330'); x('-000000000012345678901234567890000.000012345678901234567890000');