将命名的HTML实体转换为数字HTML实体 [英] Converting named HTML entities to numeric HTML entities

问题描述

是否有PHP函数将命名的HTML实体转换为它们各自的数字HTML实体?

Is there a PHP function to convert named HTML entities into their respective numeric HTML entities?

例如:

$str = "Oggi è un bel giorno";
echo entities_to_unicode($str); // Oggi è un bel giorno

预先感谢，祝您有愉快的一天！

Thanks in advance, have a nice day!

推荐答案

echo preg_replace('/[^!-%\x27-;=?-~ ]/e', '"&#".ord("$0").";"', html_entity_decode($str))

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