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<?php $a = iconv("UTF-8", "GBK", '今天写了个小模块，调试的过程中发现一个错误'); var_dump($a); var_dump(htmlspecialchars($a, ENT_QUOTES, 'UTF-8'));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: iconv(): Wrong encoding, conversion from "UTF-8" to "GBK" is not allowed in /in/Dq4BS on line 2 bool(false) string(0) ""

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