forked from https://github.com/symfony/symfony
cbc2376803
This PR was merged into the 4.1-dev branch.
Discussion
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[HttpFoundation] Add HeaderUtils class
| Q | A
| ------------- | ---
| Branch? | 3.4
| Bug fix? | yes
| New feature? | yes
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets |
| License | MIT
| Doc PR |
In several places in HttpFoundation we parse HTTP header values using a variety of regular expressions. Some of them fail in various corner cases.
Parsing HTTP headers is not entirely trivial. We must be able to parse quoted strings with backslash escaping properly and ignore white-space in certain places.
In practice, our limitations in this respect may not be a big problem. We only care about a few different HTTP request headers, and they are usually restricted to a simple values without quoted strings etc. However, this is no excuse for not doing it right :-)
This PR introduces a new utility class for parsing headers. This allows Symfony itself and third-party code to parse HTTP headers in a robust way without using complex regular expressions that are difficult to write and error prone.
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CHANGELOG-4.0.md | ||
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CONTRIBUTING.md | ||
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LICENSE | ||
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phpunit | ||
phpunit.xml.dist | ||
README.md | ||
UPGRADE-4.0.md | ||
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UPGRADE-5.0.md |
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