2024-04-11
on PHP52IIS (PHP version is 5.2)
This PHP version(v5.2) does not assume the file is UTF-8

The folloinwg part which contains UTF-8 in population.php caused the problem(a blank page)

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<?php require_once(dirname(dirname(__FILE__))."/HObfus.inc.php"); ?>
<!--╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ 
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The solution is add <meta charset="utf-8"> to the top of the page

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<meta charset="utf-8">
<?php require_once(dirname(dirname(__FILE__))."/HObfus.inc.php"); ?>
<!--╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ ╳ 
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