在URL中转换UTF-8字符以在PHP中进行SQL查询

Question

I am running a SQL query on a Wordpress blog to a get json feed of posts. Here is my code: http://pastebin.com/jvaM9ySr

It works fine but some of the post url's are coming through with what I think are UTF-8 special characters like

ranking-of-the-country%e2%80%99s-101-best-desserts

where I guess a blog editor pasted in a fancy apostrophe.

other examples have %e2%84%a2 in the middle of the url for the trademark symbol and even %cf%83 for the greek sigma letter.

I'd like to convert these to show what the actual special character is in the json feed.

I am using this to match the urls in the Google Analytics API and the corresponding Analytics urls contain the special character itself and not code like:

 ranking-of-the-country’s-101-best-desserts

so these few cases aren't matching because of this special character issue.

I've tried to use utf8_encode and utf8_decode in various places in the code that is in the pastebin with no luck.

Any one have any ideas? Thanks!

Answer 1

All you need is

$text = "ranking-of-the-country%e2%80%99s-101-best-desserts";
echo 'TRANSLIT : ', iconv("UTF-8", "ISO-8859-1//TRANSLIT", $text), PHP_EOL;

Answer 2

I have had the similar problem like you in another programming language.

This is not utf8 encode but url encode .

Try to use:

urlencode(string)

and

urldecode(string)

In the 2 cases (with decoding all the %char change with the correct utf char).

Here you can find more information and examples: http://php.net/manual/en/function.urlencode.php

UPDATE : for your code: I haven't tested, but you must or decoding the url when you store the response value here

    while($r = mysql_fetch_assoc($sth)) {
    if $r is a url
    $rows = decode($r);
    else
    $rows[] = $r;   
    }

OR differentiate the printing at the end of your code (something like the code before): doing for each variable in the array the appropriate printing (and when you "catch" the "url" you do the decoding), here:

print strip_tags(json_encode($rows));