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Remove unnecessary reference assigment (#301)
* Remove unnecessary reference assigment Proposed code is PHP5 and PHP7 compatible. PHP5 interpreted `$e->$type[$attr]` as `$e->{$type[$attr]}`, but the expected behavior based on workaround is consistent with PHP7 interpretation: `($e->$type)[$attr]`. By using curly braces `{$e->$type}[$attr]` there is a forced interpretation order working for both versions. Details can be found on https://www.php.net/manual/en/migration70.incompatible.php (section "Changes to the handling of indirect variables, properties, and methods") * Fix syntax Use correct syntax for indirect variable evaluation order change.
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@ -146,10 +146,7 @@ class HTMLPurifier_HTMLModule_Tidy extends HTMLPurifier_HTMLModule
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$type = "info_$type";
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$e = $this;
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}
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// PHP does some weird parsing when I do
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// $e->$type[$attr], so I have to assign a ref.
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$f =& $e->$type;
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$f[$attr] = $fix;
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$e->{$type}[$attr] = $fix;
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break;
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case 'tag_transform':
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$this->info_tag_transform[$params['element']] = $fix;
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