从UTF-8字符串中删除非法的XML字符

Posted 2021-02-26

Some valid UTF-8 characters are illegal in XML:
http://www.w3.org/TR/REC-xml/#charsets

This statement strips them from your strings.

preg_replace('/[^\x0009\x000A\x000D\x0020-\xD7FF\xE000-\xFFFD]/', ' ', $string);