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Fix PHP 5.3.0 problem with numeric indices causing -0 problem.
Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
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@ -21,11 +21,14 @@ class HTMLPurifier_AttrDef_HTML_Class extends HTMLPurifier_AttrDef_HTML_Nmtokens
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foreach ($tokens as $token) {
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foreach ($tokens as $token) {
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if (
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if (
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($allowed === null || isset($allowed[$token])) &&
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($allowed === null || isset($allowed[$token])) &&
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!isset($forbidden[$token])
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!isset($forbidden[$token]) &&
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// We need this O(n) check because of PHP's array
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// implementation that casts -0 to 0.
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!in_array($token, $ret, true)
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) {
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) {
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$ret[$token] = true;
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$ret[] = $token;
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}
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}
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}
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}
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return array_keys($ret);
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return $ret;
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}
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}
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}
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}
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