3v4l.org

run code in 300+ PHP versions simultaneously

@ 2016-10-25T06:13:13Z

<?php

$a = array(
    '192.168.11.12/24',
    '62.10.11.12/32',
    '128.10.11.12/8',
    '96.50.51.52/16'
);

$b = array(
    '192.168.128.0',   // kein Treffer
    '192.168.11.255',  // Treffer
    '62.10.11.255',    // kein Treffer
    '62.10.11.12',     // Treffer
    '128.255.255.255', // Treffer
    '129.255.255.255', // kein Treffer
    '96.50.255.255',   // Treffer
    '97.50.51.52'      // kein Treffer
);

function f(array $a)
{
    $new = array();

    foreach ($a as $item) {
        list($ipv4, $cidr) = explode('/', $item);
        $index = implode('.', array_slice(explode('.', $ipv4), 0, $cidr >> 3));
        $new[$index] = true;
    }

    return $new;
}

function g(array $a2, array $b)
{
    foreach ($b as $item) {
        $parts = explode('.', $item);
        $tmp = '';

        for ($i = 0; $i <= 3; $i++) {
            $tmp .= (('' !== $tmp) ? '.' : '') . $parts[$i];

            if (isset($a2[$tmp])) {
                echo $item . '- Treffer' . "\n";
                continue 2;
            }
        }

        echo $item . ' - kein Treffer' . "\n";
    }
}

$a2 = f($a);
g($a2, $b);

Output for 5.6.0 - 5.6.27, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 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: 192.168.128.0 - kein Treffer 192.168.11.255- Treffer 62.10.11.255 - kein Treffer 62.10.11.12- Treffer 128.255.255.255- Treffer 129.255.255.255 - kein Treffer 96.50.255.255- Treffer 97.50.51.52 - kein Treffer
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 0 192.168.128.0 - kein Treffer 192.168.11.255- Treffer 62.10.11.255 - kein Treffer 62.10.11.12- Treffer 128.255.255.255- Treffer 129.255.255.255 - kein Treffer 96.50.255.255- Treffer 97.50.51.52 - kein Treffer

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171.72 ms | 402 KiB | 188 Q