3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x($v){ $argv[1] = $v; echo strlen((explode('.',$t=trim('-'==($_=$argv[1])[0]?$n=$_=trim($_,'-'):$_,0)))[1]).($t!==$_?($n?' -':' ').$t:''); echo "\n"; } x('-12.32');

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41.89 ms | 402 KiB | 5 Q