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  • \$\begingroup\$ Counting the PHP open tag is not needed when the code can be run as php -r '…' (where -r is for free). And definitely no need for the long form, as short_open_tag is on by default. \$\endgroup\$ Commented Sep 12, 2016 at 9:55
  • \$\begingroup\$ As far as I know $argv doesn't work with -r so this can't be run like that anyway. That said changing it to readline() or fgets(STDIN) if you're on windows and running without the tag is probably shorter anyway. \$\endgroup\$ Commented Sep 12, 2016 at 13:56
  • \$\begingroup\$ -r and $argv are working well together: pastebin.com/vcgb5pT2 \$\endgroup\$ Commented Sep 12, 2016 at 14:19
  • \$\begingroup\$ Huh. Well it doesn't work for me, I just get undefined variable notices, I wonder if it's a setting or if it's just windows as per usual. \$\endgroup\$ Commented Sep 12, 2016 at 15:41
  • \$\begingroup\$ You can still replace <?php with <? to save three bytes. \$\endgroup\$ Commented Sep 12, 2016 at 18:24