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Fix E_NOTICE from indexing into empty string.

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Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
This commit is contained in:
Edward Z. Yang
2011-03-17 17:33:11 +00:00
parent b4469f17aa
commit ee9c70ab7f
3 changed files with 15 additions and 7 deletions
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16
library/HTMLPurifier/TagTransform/Font.php
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@@ -63,13 +63,15 @@ class HTMLPurifier_TagTransform_Font extends HTMLPurifier_TagTransform
// handle size transform
if (isset($attr['size'])) {
// normalize large numbers
if ($attr['size']{0} == '+' || $attr['size']{0} == '-') {
$size = (int) $attr['size'];
if ($size < -2) $attr['size'] = '-2';
if ($size > 4) $attr['size'] = '+4';
} else {
$size = (int) $attr['size'];
if ($size > 7) $attr['size'] = '7';
if ($attr['size'] !== '') {
if ($attr['size']{0} == '+' || $attr['size']{0} == '-') {
$size = (int) $attr['size'];
if ($size < -2) $attr['size'] = '-2';
if ($size > 4) $attr['size'] = '+4';
} else {
$size = (int) $attr['size'];
if ($size > 7) $attr['size'] = '7';
}
}
if (isset($this->_size_lookup[$attr['size']])) {
$prepend_style .= 'font-size:' .