PHP urlencode charset encoding issue

Question

I got this php script:

$str = "ú";
echo $str . ' -> ' . urlencode($str) . "\n" ;

Expected Result:

ú -> %FA

Reference: http://www.w3schools.com/tags/ref_urlencode.asp

Actual Result

ú -> %C3%BA

@texai: It does, but not for every ú - computers differ how any character is represented, depending on the charset encoding. For LATIN-1 it does (%FA), for UTF-8 it does not (%C3%BA). — hakre
– hakre, Commented Feb 15, 2012 at 14:27

Jeremy Harris · Accepted Answer · 2012-02-15 14:25:29Z

4

Try this:

urlencode(utf8_decode($str));

That should give you the expected result.

answered Feb 15, 2012 at 14:25

Jeremy Harris

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hakre · Accepted Answer · 2012-02-15 14:32:03Z

2

You encode the ú as UTF-8 (check the encoding of your example code), so urlencode does correctly encode it as %C3%BA.

You were more or less referring to this:

$str = "\xFA"; # ú in LATIN-1
echo $str . ' -> ' . urlencode($str) . "\n" ;

Which gives you your expected result, regardless how you encode the php-code/-file:

ú -> %FA

Demo, that site is using UTF-8 to store the source-code. If you want the output displayed as LATIN-1, this additional example signals the browser the LATIN-1 charset:

header('Content-Type: text/html; charset=latin-1');
$str = "\xFA"; # ú in LATIN-1
echo $str . ' -> ' . urlencode($str) . "\n" ;

edited Feb 15, 2012 at 14:32

answered Feb 15, 2012 at 14:25

hakre

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