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将™ 存储在数据库中，但也包含实体

[英]Storing ™ within database, but also account for the entity

原文 2019-01-24 12:44:26 9 1 php/ html-entities

I have got an issue within saving the ™/© symbol within my database.在我的数据库中保存 ™/© 符号时遇到问题。

The main issue is that some people will simply paste in the symbol (™, ©), whereas other users will use the correct HTML safe code ( ™ , © )主要问题是有些人会简单地粘贴符号 (™, ©)，而其他用户将使用正确的 HTML 安全代码（ ™ , © ）

This is an issue when attempting to use htmlentities to convert the symbols to the correct code, as if they use ™当尝试使用htmlentities将符号转换为正确的代码时，这是一个问题，就好像它们使用™ this function will convert it to &trade;此函数会将其转换为&trade; . .

Does anyone know a solution to this?有谁知道这个问题的解决方案？

For example detect if the entity was used, if so then I can use htmlentities to convert it.例如检测实体是否被使用，如果是，那么我可以使用htmlentities来转换它。

1 个解决方案

First, set expectations .首先，设定预期。

Your code should expect either plain text or HTML.您的代码应该是纯文本或 HTML。 Your documentation should tell the users which.您的文档应该告诉用户是哪个。

Second, allow people to correct mistakes .第二，允许人们纠正错误。

If a user enters ™如果用户输入™ into a field that expects plain text then it should be treated as &trade .进入一个需要纯文本的字段，那么它应该被视为&trade 。

Show the user a preview.向用户显示预览。

Allow them to edit it after submitting.允许他们在提交后对其进行编辑。

Trying to use heuristics to guess if the user wanted to display ™尝试使用启发式方法来猜测用户是否想要显示™ or ™ is going to lead to false positives.或™将导致误报。 So don't.所以不要。

Finally, we don't live in the 1980s.最后，我们不是生活在 1980 年代。 We have Unicode now .我们现在有了 Unicode 。 There is no need to encode ™ as ™无需将™编码为™ . . So if you are accepting HTML, then just display ™ without encoding it.因此，如果您接受 HTML，则只需显示™而不对其进行编码。