Description:
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When a PHP error occurs inside a invisible html tag like `title` it is not able to notify us about this... The html table with error is there but it stay inside that html tag and so it does not take effect.

Test script:
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1. <title><?= ClassName::method(); ?></title>
2. <title><?= ClassName; ?></title>
3. <title><?= function_name(); ?></title>
4. <title><?= $variable_name; ?></title>

5. <title><?= $123; ?></title> (works, the error is shown and out of html tag)