Online PHP editor | output for 9toZ2

@ 2018-02-13T13:09:47Z

<?php

function anonIp($ip)
{
	if (strpos($ip, ".") !== false) {
		$pieces = explode(".", $ip);
		$nPieces = count($pieces);
		$pieces[$nPieces - 1] = $pieces[$nPieces - 2] = "XXX";
		return implode(".", $pieces);
	} else {
		$pieces = explode(":", $ip);
		$nPieces = count($pieces);
		$pieces[$nPieces - 1] = $pieces[$nPieces - 2] = "XXXX";
		return implode(":", $pieces);
	}
}
var_dump(anonIp("207.142.131.005"));
var_dump(anonIp("2001:0db8:0000:08d3:0000:8a2e:0070:7344"));
var_dump(anonIp("207.142.131.5"));
var_dump(anonIp("2001:0db8::8d3::8a2e:7:7344"));
var_dump(anonIp("::1"));
var_dump(anonIp("127.0.0.1"));

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 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 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: string(15) "207.142.XXX.XXX" string(39) "2001:0db8:0000:08d3:0000:8a2e:XXXX:XXXX" string(15) "207.142.XXX.XXX" string(30) "2001:0db8::8d3::8a2e:XXXX:XXXX" string(10) ":XXXX:XXXX" string(13) "127.0.XXX.XXX"
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(15) "207.142.XXX.XXX" string(39) "2001:0db8:0000:08d3:0000:8a2e:XXXX:XXXX" string(15) "207.142.XXX.XXX" string(30) "2001:0db8::8d3::8a2e:XXXX:XXXX" string(10) ":XXXX:XXXX" string(13) "127.0.XXX.XXX"

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