Online PHP editor | output for kBBE9

@ 2015-06-13T20:49:43Z

<?php

//Используется так:

function net_match ( $network , $ip ) {
 $ip_arr = explode ( '/' , $network );
 $network_long = ip2long ( $ip_arr [ 0 ]);

 $x = ip2long ( $ip_arr [ 1 ]);
 $mask = long2ip ( $x ) == $ip_arr [ 1 ] ? $x : 0xffffffff << ( 256 - $ip_arr [ 1 ]);
 $ip_long = ip2long ( $ip );

    // echo ">".$ip_arr[1]."> ".decbin($mask)."\n";
 return ( $ip_long & $mask ) == ( $network_long & $mask );
}

echo net_match ( '193.168.0.0/143', '192.168.0.144' );

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 1
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 1

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