Online PHP editor | output for 4E07h

<?php $argv[1] = '-0000100.123400000'; echo '-'==($_=$argv[1])[0]?$n=$_=trim($_,'-'):$_,0); exit; error_reporting(0); function x($v){ $argv[1] = $v; echo strlen((explode('.',$t=trim('-'==($_=$argv[1])[0]?$n=$_=trim($_,'-'):$_,0)))[1]).($t!==$_?($n?' -':' ').('.'==$t[0]?0:'').trim($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('-0.0'); x('-04.8330'); x('-000000000012345678901234567890000.000012345678901234567890000');