3v4l.org

run code in 300+ PHP versions simultaneously
<?php $argv[1] = "-00010.1"; if('-'==($_=$argv[1])[0])$s=1||$_[0]=0; echo strlen(explode('.',$t=trim($_=$argv[1],0))[1]).($_!==$t?' '.$s?'-':''.(float)$t:''); exit;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
1
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected '[' in /in/pXY9v on line 5
Process exited with code 255.
preferences:
213.19 ms | 402 KiB | 215 Q