Character encoding issues - UTF-8 / Issue while transmitting data on the internet?
Question
I've got data being sent from a client side which is sending it like this:
// $booktitle = "Comí habitación bailé"
$xml_obj = new DOMDocument('1.0', 'utf-8');
// node created with booktitle and added to xml_obj
// NO htmlentities / other transformations done
$returnHeader = drupal_http_request($url, $headers = array("Content-Type: text/xml; charset=utf-8"), $method = 'POST', $data = $xml_data, $retry = 3);
When I receive it at my end (via that drupal_http_request) and I do htmlentities on it, I get the following:
Comí habitación bailé
Which when displayed looks like gibberish:
Comà Habitación Bailé
What is going wrong?
Edit 1)
<?php
$title = "Comí habitación bailé";
echo "title=$title\n";
echo 'encoding is '.mb_detect_encoding($title);
$heutf8 = htmlentities($title, ENT_COMPAT, "UTF-8");
echo "heutf8=$heutf8\n";
?>
Running this test script on a Windows machine and redirecting to a file shows:
title=Comí habitación bailé
encoding is UTF-8heutf8=
Running this on a linux system:
title=Comí habitación bailé
encoding is UTF-8PHP Warning: htmlentities(): Invalid multibyte sequence in argument in /home/testaccount/public_html/test2.php on line 5
heutf8=
3 answers
solution1
2 2011-07-21 12:42:56
I think you shouldn't encode the entities with htmlentities just for outputting it correctly (you should as stated in the comments use htmlspecialchars to avoid cross side scripting), just set the correct headers and meta end echo the values normally:
<?php
header ('Content-type: text/html; charset=utf-8');
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
</body>
</html>
solution2
0 2011-07-21 12:53:35
Try passing headers information in a key/value array format.
Something like
$headers = array("Content-Type" => "text/xml; charset=utf-8"")
solution3
0 ACCPTED 2011-07-21 13:01:47
htmlentities interprets its input as ISO-8859-1 by default; are you passing UTF-8 for the charset parameter?
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