将utf-8字符将FDF/XFDF表单展平为PHP的PDF [英] Flatten FDF / XFDF forms to PDF in PHP with utf-8 characters

问题描述

我的情况:

• 具有formfields的PDF模板:template.pdf
• 一个XFDF文件，其中包含要填充的数据:fieldData.xfdf

现在我需要将这些文件合并到&扁平化. pdftk可以轻松地在php中完成这项工作:

Now I need to have these to files combined & flattened. pdftk does the job easily within php:

exec("pdftk template.pdf fill_form fieldData.xfdf output flatFile.pdf flatten");

不幸的是，这不能完全支持utf-8. 例如:西里尔字母和希腊字母被打乱.我为此使用了Arial，并使用了unicode字符集.

Unfortunately this does not work with full utf-8 support. For example: Cyrillic and greek letters get scrambled. I used Arial for this, with an unicode character set.

• 如何整理扁平化unicode文件?
• 是否还有其他提供unicode支持的pdf工具?
• pdftk是否有我缺少的unicode开关?

由于这个问题已经有9个月没有解决了，所以我决定为此悬赏.如果在pdftk中有赞助功能或错误修正的选项，我很乐意捐赠.

EDIT 1: As this question has not been solved for more then 9 month, I decided to start a bounty for it. In case there are options to sponsor a feature or a bugfix in pdftk, I'd be glad to donate.

我不再从事此项目，因此无法验证新答案.如果有人遇到类似的问题，我很高兴他们能支持我.

EDIT 2: I am not working on this project anymore, so I cannot verify new answers. If anyone has a similar problem, I am glad if they can respond in my favour.

推荐答案

不幸的是，UTF-8字符编码不适用于源.xfdf文件中非ASCII字符的十进制或十六进制引用. PDFTK 1.44版.

Unfortunately, UTF-8 character encoding does not work neither with decimal nor hexadecimal references of non-ASCII characters in source .xfdf file. PDFTK v. 1.44.

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