Web site Shorten and restore base62-PHP source code

URL shortening and restoration base62 URL shortening and restoration base62

function enbase62($number,$encode = ''){    $base62 = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';    while($number > 0){        $mod = bcmod($number, 62);        $encode .= $base62[$mod];        $number = bcp(bcsub($number, $mod), 62);    }    return strrev($encode);}function debase62($encode, $number = 0){    $base62 = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';    $length = strlen($encode);    $baselist = array_flip(str_split($base62));    for($i = 0; $i < $length; $i++){        $number = bcadd($number, bcmul($baselist[$encode[$i]], bcpow(62, $length - $i - 1)));    }    return $number;}

2.[SQL] code

Create table 'waoo _ empty url' ('Short _ id' int (12) not null AUTO_INCREMENT COMMENT 'auto-incrementing ID', 'short _ name' varchar (50) default null comment 'Alias ', 'title' varchar (100) default null comment' title', 'link' varchar (800) default null comment' URL link ', 'create _ time' datetime default null comment' creation time', 'uid' int (10) default null comment 'owner ', 'status' tinyint (1) DEFAULT '1' COMMENT '1 valid, 0 block-1 delete', 'Top _ domain' varchar (100) default null comment 'top-level domain name ', 'All _ domain 'varchar (100) not null comment 'domain name full', 'create _ IP' varchar (15) not null comment 'IP ', primary key ('Short _ id'), unique key 'short _ name' ('Short _ name') ENGINE = MyISAM AUTO_INCREMENT = 12 default charset = utf8

3.[C/C ++] code

 
    Options +FollowSymlinks  RewriteEngine On  RewriteRule /d/(?!index)(.*) /d/index/?short_id=$1 [L,NC]  RewriteRule /s/(?!index)(.*) /s/index/?short_name=$1 [L,NC]    RewriteCond %{REQUEST_FILENAME} !-d  RewriteCond %{REQUEST_FILENAME} !-f  RewriteRule ^(.*)$ index.php/$1 [QSA,PT,L]
 

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