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Remove $a = array($a) which is miscompiled by Zend OpCache.

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Fixes #108.

Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
This commit is contained in:
Edward Z. Yang 2017-01-04 14:35:52 -05:00
parent 5070404376
commit 1b7d684d07
1 changed files with 7 additions and 2 deletions
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9
library/HTMLPurifier/Strategy/MakeWellFormed.php
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@ -534,12 +534,17 @@ class HTMLPurifier_Strategy_MakeWellFormed extends HTMLPurifier_Strategy
*/
protected function processToken($token, $injector = -1)
{
// Zend OpCache miscompiles $token = array($token), so
// avoid this pattern. See: https://github.com/ezyang/htmlpurifier/issues/108
// normalize forms of token
if (is_object($token)) {
$token = array(1, $token);
$tmp = $token;
$token = array(1, $tmp);
}
if (is_int($token)) {
$token = array($token);
$tmp = $token;
$token = array($tmp);
}
if ($token === false) {
$token = array(1);