Online PHP editor | output for 2J3FH

@ 2017-09-05T08:03:41Z

<?php



function from62to10($num) {
    $from = 62;
    $num = strval($num);
    $dict = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $len = strlen($num);
    $dec = 0;
    for($i = 0; $i < $len; $i++) {
        $pos = strpos($dict, $num[$i]);
        $dec = bcadd(bcmul(bcpow($from, $len - $i - 1), $pos), $dec);
    }
    return $dec;
}

function decode($url) {
    $file = basename($url,'.jpg');
    $code = substr($file, 0, 8);
    if (substr($code, 0, 2) == '00') {
        return from62to10($code);
    } else {
        return hexdec($code);
    }
}

$url = 'http://ww3.sinaimg.cn/large/0060lm7Tly1fj8dcbq7bcj30f0076jr7.jpg';

$weibo = 'http://weibo.com/u/' . decode($url);

echo $weibo;

Output for 7.0.0 - 7.0.23, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: http://weibo.com/u/5501886937
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 http://weibo.com/u/5501886937
Output for 7.3.32 - 7.3.33, 7.4.33, 8.0.13: Fatal error: Uncaught Error: Call to undefined function bcadd() in /in/2J3FH:13 Stack trace: #0 /in/2J3FH(22): from62to10('0060lm7T') #1 /in/2J3FH(30): decode('http://ww3.sina...') #2 {main} thrown in /in/2J3FH on line 13
Process exited with code 255.

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