php - Convert unicode URL to ASCII -


i'm writing php application accepts url user, , processes making calls binaries system()*. however, avoid many complications arise this, i'm trying convert url, may contain unicode characters, ascii characters.

let's have following url:

https://täst.de:8118/news/zh-cn/新闻动态/2015/

here 2 parts need dealt with: hostname , path.

  • for hostname, can call idn_to_ascii().
  • however, can't call urlencode() on path, each of characters need remain unmodified converted (e.g. news/zh-cn/新闻动态/2015/ -> news%2fzh-cn%2f%e6%96%b0%e9%97%bb%e5%8a%a8%e6%80%81%2f2015%2f opposed news/zh-cn/%e6%96%b0%e9%97%bb%e5%8a%a8%e6%80%81/2015/).

how should approach problem?

*i'd rather not deal system() calls , resulting complexity, given functionality available calling binaries, unfortunately have no choice.

split url / urlencode() part put together

$url = explode("/", $url); $url[2] = idn_to_ascii($url[2]); $url[5] = urlencode($url[5]); $url = join("/", $url);

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