PHP filter_var() - FILTER_VALIDATE_URL

PHP filter_var() - FILTER_VALIDATE_URL(PHP filter_var() - FILTER_VALIDATE_URL)

问题描述

FILTER_VALIDATE_URL 过滤器在验证非 ASCII 网址时似乎有一些问题:

The FILTER_VALIDATE_URL filter seems to have some trouble validating non-ASCII URLs:

var_dump(filter_var('http://pt.wikipedia.org/wiki/', FILTER_VALIDATE_URL)); // http://pt.wikipedia.org/wiki/
var_dump(filter_var('http://pt.wikipedia.org/wiki/Guimarães', FILTER_VALIDATE_URL)); // false

为什么最后一个 URL 没有正确验证?可能的解决方法是什么?运行 PHP 5.3.0.

Why isn't the last URL correctly validated? And what are the possible workarounds? Running PHP 5.3.0.

我还想知道在哪里可以找到 FILTER_VALIDATE_URL 验证过滤器的源代码.

I'd also like to know where I can find the source code of the FILTER_VALIDATE_URL validation filter.

推荐答案

解析从这里开始:
http://svn.php.net/viewvc/php/php-src/trunk/ext/filter/logical_filters.c?view=markup

实际上是在/trunk/ext/standard/url.c 中完成的

and is actually done in /trunk/ext/standard/url.c

乍一看，我看不到任何有意拒绝非 ASCII 字符的内容，因此可能只是缺少 unicode 支持.PHP 不擅长处理任何地方的非 ASCII 字符.:(

At a first glance I can't see anything that purposely rejects non-ASCII characters, so it's probably just lack of unicode support. PHP is not good in handling non-ASCII characters anywhere. :(

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