krz/vox-populi

 1<?php
 2
 3namespace GuzzleHttp\Psr7;
 4
 5final class Rfc7230
 6{
 7    /**
 8     * Header related regular expressions (copied from amphp/http package)
 9     * (Note: once we require PHP 7.x we could just depend on the upstream package)
10     *
11     * Note: header delimiter (\r\n) is modified to \r?\n to accept line feed only delimiters for BC reasons.
12     *
13     * @link    https://github.com/amphp/http/blob/v1.0.1/src/Rfc7230.php#L12-L15
14     * @license https://github.com/amphp/http/blob/v1.0.1/LICENSE
15     */
16    const HEADER_REGEX = "(^([^()<>@,;:\\\"/[\]?={}\x01-\x20\x7F]++):[ \t]*+((?:[ \t]*+[\x21-\x7E\x80-\xFF]++)*+)[ \t]*+\r?\n)m";
17    const HEADER_FOLD_REGEX = "(\r?\n[ \t]++)";
18}