Online PHP editor | output for j0Frv

@ 2015-12-18T12:15:55Z

<?php

    function getNearestMatch($number) {
        $arr = array_values([2, 4,4, 8, 16,16, 23]);
        sort($arr);
        $key = 0;

        while(isset($arr[$key+1]) && $arr[$key] < $number)
            $key++;

        if($arr[$key] == $number || !isset($arr[$key-1]) || $arr[$key] - $number < $number - $arr[$key-1]) 
            return $arr[$key]; 
        else
            return $arr[$key-1];

    }

    //To test it we pass some values to the function
    foreach([0, 2, 3, 4, 8, 12, 22, 23, 24] as $v)
        echo getNearestMatch($v) . PHP_EOL;

Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4, 8.3.6: 2 2 2 4 8 8 23 23 23
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 2 2 2 4 8 8 23 23 23

preferences:dark modelive preview