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PHP 的过来 帮看看
source link: https://www.v2ex.com/t/885473
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function code62($x) {
$show = '';
while ( $x > 0 ) {
$s = $x % 62;
if ($s > 35) {
$s = chr ( $s + 61 );
} elseif ($s > 9 && $s <= 35) {
$s = chr ( $s + 55 );
}
$show .= $s;
$x = floor ( $x / 62 );
}
return $show;
}
function shorturl($url) {
$url = crc32 ( $url );
$result = sprintf ( "%u", $url );
return code62($result);
}
直接 echo shorturl("https://baidu.com"); = dXr5x1
这是某个短网址的缩短方法
请问有解析的方法不，比如根据 dXr5x1 解出 https://baidu.com ，而不是去数据库查找。根据上面这个怎么写出一个？谢谢求 demo
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