3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(bin2hex(inet_pton('2001:0db8:85a3:08d3:1319:8a2e:0370:7344'))); var_dump(bin2hex(inet_pton('::1'))); var_dump(bin2hex(inet_pton('::ffff:127.0.0.1')));

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36.43 ms | 402 KiB | 5 Q