Code generated for a php short URL (like Weibo short URL)-PHP source code

This article mainly introduces the code for generating a php short URL (similar to Weibo short URL ), for more information, see the next article. This article mainly introduces the code generated for a php short URL (similar to a Weibo short URL). For more information, see

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The code is as follows:

UrlShort





Header ("Content-Type: text/html; charset = UTF-8 ");
Function base62 ($ x ){
$ Show = '';
While ($ x> 0 ){
$ S = $ x % 62;
If ($ s> 35 ){
$ S = chr ($ s + 61 );
} Else if ($ s> 5 & $ S <= 35 ){
$ S = chr ($ s + 55 );
} Www.jb51.net
$ Show. = $ s;
$ X = floor ($ x/62 );
}
Return $ show;
}
// Generate a short URL
Function url_short ($ url ){
$ Url = crc32 ($ url );
$ Result = sprintf ("% u", $ url );
Return base62 ($ result );
}

Echo ("generate a short url:". url_short ($ _ POST ['URL']). "");