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Merge pull request #121 from Macil/morertlfix

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Remove all RTL and LTR control codes in bidi_cleanup.
This commit is contained in:
Michael 2013-07-15 21:59:24 -07:00
commit 1cabad1282
1 changed files with 2 additions and 16 deletions
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18
inc/display.php
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@ -214,7 +214,7 @@ function truncate($body, $url, $max_lines = false, $max_chars = false) {
}
function bidi_cleanup($str){
# Closes all embedded RTL and LTR unicode formatting blocks in a string so that
# Removes all embedded RTL and LTR unicode formatting blocks in a string so that
# it can be used inside another without controlling its direction.
# More info: http://www.iamcal.com/understanding-bidirectional-text/
#
@ -228,21 +228,7 @@ function bidi_cleanup($str){
$explicits = '\xE2\x80\xAA|\xE2\x80\xAB|\xE2\x80\xAD|\xE2\x80\xAE';
$pdf = '\xE2\x80\xAC';
$stack = 0;
$str = preg_replace_callback("!(?<explicits>$explicits)|(?<pdf>$pdf)!", function($match) use (&$stack) {
if (isset($match['explicits']) && $match['explicits']) {
$stack++;
} else {
if ($stack)
$stack--;
else
return '';
}
return $match[0];
}, $str);
for ($i=0; $i<$stack; $i++){
$str .= "\xE2\x80\xAC";
}
$str = preg_replace("!(?<explicits>$explicits)|(?<pdf>$pdf)!", '', $str);
return $str;
}