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‎.editorconfig

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root = true
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# 对所有文件生效
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[*]
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charset = utf-8
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indent_style = space
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indent_size = 2
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end_of_line = lf
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insert_final_newline = true
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trim_trailing_whitespace = true
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# 对后缀名为 md 的文件生效
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[*.md]
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trim_trailing_whitespace = false
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[*.php]
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indent_size = 4

‎.gitignore

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.idea/
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.phpintel/
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!README.md
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!.gitkeep
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composer.lock
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*.swp
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*.log
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*.pid
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*.patch
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.DS_Store

‎LICENSE

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The MIT License (MIT)
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Copyright (c) 2016 inhere
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

‎README.md

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# websocket utils
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## install
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```bash
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composer require mylib/websocket-utils
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```
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## license
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MIT

‎composer.json

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{
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"name": "mylib/websocket-utils",
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"type": "library",
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"description": "some helper tool library of the php",
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"keywords": ["library","tool","php"],
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"homepage": "https://github.com/php-mylib/websocket-utils",
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"license": "MIT",
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"authors": [
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{
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"name": "inhere",
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"email": "[email protected]",
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"homepage": "http://www.yzone.net/"
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}
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],
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"require": {
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"php": ">=7.0.0",
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"mylib/arr-utils": "~1.0",
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"mylib/obj-utils": "~1.0",
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"mylib/str-utils": "~1.0",
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"mylib/sys-utils": "~1.0",
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"mylib/php-utils": "~1.0"
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},
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"autoload": {
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"psr-4": {
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"MyLib\\WebSocket\\Client\\" : "src/"
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}
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},
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"suggest": {
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"inhere/php-validate": "Very lightweight data validate tool",
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"inhere/console": "a lightweight php console application library."
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}
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}

‎phpunit.xml.dist

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<?xml version="1.0" encoding="UTF-8"?>
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<phpunit backupGlobals="false"
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backupStaticAttributes="false"
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bootstrap="test/boot.php"
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colors="false"
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convertErrorsToExceptions="true"
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convertNoticesToExceptions="true"
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convertWarningsToExceptions="true"
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stopOnFailure="false"
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syntaxCheck="false"
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>
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<testsuites>
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<testsuite name="Php Library Test Suite">
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<directory>test</directory>
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</testsuite>
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</testsuites>
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<filter>
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<whitelist>
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<directory suffix=".php">src</directory>
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</whitelist>
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</filter>
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</phpunit>

‎src/Helper.php

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<?php
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/**
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* Created by PhpStorm.
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* User: Inhere
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* Date: 2017/4/3 0003
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* Time: 01:05
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*/
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namespace MyLib\WebSocket\Util;
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/**
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* Class WSHelper
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* @package MyLib\WebSocket\Util
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*/
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class Helper
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{
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public static function encode()
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{
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}
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/**
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* @param string$s
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* @return string
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*/
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public static function frame(string $s): string
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{
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$a = str_split($s, 125);
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$prefix = WebSocketInterface::BINARY_TYPE_BLOB;
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if (\count($a) === 1) {
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return $prefix . \chr(\strlen($a[0])) . $a[0];
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}
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$ns = '';
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foreach ($a as $o) {
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$ns .= $prefix . \chr(\strlen($o)) . $o;
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}
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return $ns;
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}
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/**
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* @param $buffer
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* @return string
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*/
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public static function decode($buffer)
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{
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/*$len = $masks = $data =*/
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$decoded = '';
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$len = \ord($buffer[1]) & 127;
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if ($len === 126) {
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$masks = \substr($buffer, 4, 4);
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$data = \substr($buffer, 8);
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} else if ($len === 127) {
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$masks = \substr($buffer, 10, 4);
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$data = \substr($buffer, 14);
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} else {
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$masks = \substr($buffer, 2, 4);
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$data = \substr($buffer, 6);
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}
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$dataLen = \strlen($data);
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for ($index = 0; $index < $dataLen; $index++) {
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$decoded .= $data[$index] ^ $masks[$index % 4];
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}
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return $decoded;
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}
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/**
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* @param string $payload
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* @param string $type
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* @param bool $masked
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* @return bool|string
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* @throws \Exception
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*/
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public static function hybi10Encode(string $payload, string $type = 'text', bool $masked = true)
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{
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$frameHead = array();
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$payloadLength = \strlen($payload);
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switch ($type) {
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//文本内容
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case 'text':
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// first byte indicates FIN, Text-Frame (10000001):
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$frameHead[0] = 129;
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break;
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//二进制内容
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case 'binary':
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case 'bin':
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// first byte indicates FIN, Text-Frame (10000010):
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$frameHead[0] = 130;
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break;
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case 'close':
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// first byte indicates FIN, Close Frame(10001000):
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$frameHead[0] = 136;
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break;
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case 'ping':
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// first byte indicates FIN, Ping frame (10001001):
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$frameHead[0] = 137;
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break;
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case 'pong':
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// first byte indicates FIN, Pong frame (10001010):
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$frameHead[0] = 138;
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break;
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}
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// set mask and payload length (using 1, 3 or 9 bytes)
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if ($payloadLength > 65535) {
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$payloadLengthBin = str_split(sprintf('%064b', $payloadLength), 8);
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$frameHead[1] = ($masked === true) ? 255 : 127;
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for ($i = 0; $i < 8; $i++) {
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$frameHead[$i + 2] = bindec($payloadLengthBin[$i]);
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}
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// most significant bit MUST be 0 (close connection if frame too big)
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if ($frameHead[2] > 127) {
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// todo `$this->close()`;
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return false;
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}
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} elseif ($payloadLength > 125) {
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$payloadLengthBin = str_split(sprintf('%016b', $payloadLength), 8);
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$frameHead[1] = ($masked === true) ? 254 : 126;
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$frameHead[2] = bindec($payloadLengthBin[0]);
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$frameHead[3] = bindec($payloadLengthBin[1]);
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} else {
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$frameHead[1] = ($masked === true) ? $payloadLength + 128 : $payloadLength;
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}
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// convert frame-head to string:
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foreach ($frameHead as $i => $v) {
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$frameHead[$i] = \chr($frameHead[$i]);
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}
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// generate a random mask:
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$mask = array();
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if ($masked === true) {
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for ($i = 0; $i < 4; $i++) {
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$mask[$i] = \chr(random_int(0, 255));
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}
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$frameHead = array_merge($frameHead, $mask);
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}
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$frame = implode('', $frameHead);
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// append payload to frame:
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for ($i = 0; $i < $payloadLength; $i++) {
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$frame .= $masked ? $payload[$i] ^ $mask[$i % 4] : $payload[$i];
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}
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return $frame;
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}
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/**
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* @param string $data
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* @return string
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* @throws \InvalidArgumentException
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*/
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public static function hybi10Decode(string $data): string
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{
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if (!$data) {
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throw new \InvalidArgumentException('data is empty');
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}
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$bytes = $data;
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$secondByte = sprintf('%08b', \ord($bytes[1]));
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$masked = '1' === $secondByte[0];
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$dataLength = ($masked === true) ? \ord($bytes[1]) & 127 : \ord($bytes[1]);
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//服务器不会设置mask
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if ($dataLength === 126) {
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$decodedData = \substr($bytes, 4);
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} elseif ($dataLength === 127) {
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$decodedData = \substr($bytes, 10);
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} else {
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$decodedData = \substr($bytes, 2);
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}
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return $decodedData;
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}
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}

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