<?php

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namespace GuzzleHttp\Psr7;

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final class Rfc7230

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{

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/**

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* Header related regular expressions (copied from amphp/http package)

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* (Note: once we require PHP 7.x we could just depend on the upstream package)

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*

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* Note: header delimiter (\r\n) is modified to \r?\n to accept line feed only delimiters for BC reasons.

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*

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* @link https://github.com/amphp/http/blob/v1.0.1/src/Rfc7230.php#L12-L15

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*

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* @license https://github.com/amphp/http/blob/v1.0.1/LICENSE

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*/

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const HEADER_REGEX = "(^([^()<>@,;:\\\"/[\]?={}\x01-\x20\x7F]++):[ \t]*+((?:[ \t]*+[\x21-\x7E\x80-\xFF]++)*+)[ \t]*+\r?\n)m";

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const HEADER_FOLD_REGEX = "(\r?\n[ \t]++)";

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}

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