Online PHP editor | refs for t8eb4

<?php function IP2number($ip) { return sprintf('%u', ip2long($ip)); } echo ip2long('0.0.0.0'),"\r\n"; echo ip2long('0.0.0.1'),"\r\n"; echo ip2long('255.255.255.254'),"\r\n"; echo ip2long('255.255.255.255'),"\r\n"; echo "\r\n"; echo IP2number('0.0.0.0'),"\r\n"; echo IP2number('0.0.0.1'),"\r\n"; echo IP2number('255.255.255.254'),"\r\n"; echo IP2number('255.255.255.255'),"\r\n";