mirror of
https://gitee.com/zoujingli/ThinkAdmin.git
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299 lines
9.1 KiB
PHP
299 lines
9.1 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\route;
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use think\Route;
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class RuleItem extends Rule
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{
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/**
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* 路由规则
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* @var string
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*/
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protected $name;
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/**
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* 路由地址
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* @var string|\Closure
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*/
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protected $route;
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/**
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* 请求类型
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* @var string
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*/
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protected $method;
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/**
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* 架构函数
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* @access public
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* @param Route $router 路由实例
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* @param RuleGroup $group 路由所属分组对象
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* @param string|array $name 路由规则
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* @param string $method 请求类型
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* @param string|\Closure $route 路由地址
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* @param array $option 路由参数
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* @param array $pattern 变量规则
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*/
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public function __construct(Route $router, RuleGroup $group, $name, $route, $method = '*', $option = [], $pattern = [])
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{
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$this->router = $router;
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$this->parent = $group;
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$this->route = $route;
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$this->method = $method;
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$this->option = $option;
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$this->pattern = $pattern;
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$this->setRule($name);
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}
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/**
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* 路由规则预处理
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* @access public
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* @param string $rule 路由规则
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* @return void
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*/
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public function setRule($rule)
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{
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if ('$' == substr($rule, -1, 1)) {
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// 是否完整匹配
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$rule = substr($rule, 0, -1);
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$this->option['complete_match'] = true;
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}
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$this->name($rule);
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}
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/**
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* 获取当前路由地址
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* @access public
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* @return mixed
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*/
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public function getRoute()
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{
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return $this->route;
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}
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/**
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* 设置为自动路由
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* @access public
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* @return $this
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*/
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public function isAuto()
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{
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$this->parent->setAutoRule($this);
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return $this;
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}
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/**
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* 设置为MISS路由
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* @access public
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* @return $this
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*/
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public function isMiss()
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{
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$this->parent->setMissRule($this);
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return $this;
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}
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/**
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* 检测路由
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* @access public
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* @param Request $request 请求对象
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* @param string $url 访问地址
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* @param string $depr 路径分隔符
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* @param bool $completeMatch 路由是否完全匹配
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* @return Dispatch
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*/
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public function check($request, $url, $depr = '/', $completeMatch = false)
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{
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if ($this->parent && $prefix = $this->parent->getFullName()) {
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$this->name = $prefix . ($this->name ? '/' . ltrim($this->name, '/') : '');
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}
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if ($dispatch = $this->checkCrossDomain($request)) {
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// 允许跨域
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return $dispatch;
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}
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// 检查参数有效性
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if (!$this->checkOption($this->option, $request)) {
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return false;
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}
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// 合并分组参数
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$this->mergeGroupOptions();
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$option = $this->option;
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if (!empty($option['append'])) {
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$request->route($option['append']);
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}
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// 是否区分 / 地址访问
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if (!empty($option['remove_slash']) && '/' != $this->name) {
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$this->name = rtrim($this->name, '/');
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$url = rtrim($url, '|');
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}
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// 检查前置行为
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if (isset($option['before']) && false === $this->checkBefore($option['before'])) {
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return false;
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}
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if (isset($option['ext'])) {
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// 路由ext参数 优先于系统配置的URL伪静态后缀参数
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$url = preg_replace('/\.(' . $request->ext() . ')$/i', '', $url);
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}
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return $this->checkRule($request, $url, $depr, $completeMatch, $option);
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}
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/**
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* 检测路由规则
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* @access private
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* @param Request $request 请求对象
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* @param string $url URL地址
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* @param string $depr URL分隔符（全局）
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* @param bool $completeMatch 路由是否完全匹配
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* @param array $option 路由参数
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* @return array|false
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*/
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private function checkRule($request, $url, $depr, $completeMatch = false, $option = [])
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{
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// 检查完整规则定义
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if (isset($this->pattern['__url__']) && !preg_match(0 === strpos($this->pattern['__url__'], '/') ? $this->pattern['__url__'] : '/^' . $this->pattern['__url__'] . '/', str_replace('|', $depr, $url))) {
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return false;
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}
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// 检查路由的参数分隔符
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if (isset($option['param_depr'])) {
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$url = str_replace(['|', $option['param_depr']], [$depr, '|'], $url);
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}
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$len1 = substr_count($url, '|');
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$len2 = substr_count($this->name, '/');
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// 多余参数是否合并
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$merge = !empty($option['merge_extra_vars']) ? true : false;
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if ($merge && $len1 > $len2) {
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$url = str_replace('|', $depr, $url);
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$url = implode('|', explode($depr, $url, $len2 + 1));
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}
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if (isset($option['complete_match'])) {
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$completeMatch = $option['complete_match'];
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}
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if ($len1 >= $len2 || strpos($this->name, '[')) {
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// 完整匹配
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if ($completeMatch && (!$merge && $len1 != $len2 && (false === strpos($this->name, '[') || $len1 > $len2 || $len1 < $len2 - substr_count($this->name, '[')))) {
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return false;
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}
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$pattern = array_merge($this->parent->getPattern(), $this->pattern);
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if (false !== $match = $this->match($url, $pattern)) {
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// 匹配到路由规则
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return $this->parseRule($request, $this->name, $this->route, $url, $option, $match);
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}
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}
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return false;
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}
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/**
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* 检测URL和规则路由是否匹配
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* @access private
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* @param string $url URL地址
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* @param array $pattern 变量规则
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* @return array|false
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*/
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private function match($url, $pattern)
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{
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$m2 = explode('/', $this->name);
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$m1 = explode('|', $url);
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$var = [];
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foreach ($m2 as $key => $val) {
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// val中定义了多个变量 <id><name>
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if (false !== strpos($val, '<') && preg_match_all('/<(\w+(\??))>/', $val, $matches)) {
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$value = [];
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$replace = [];
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foreach ($matches[1] as $name) {
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if (strpos($name, '?')) {
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$name = substr($name, 0, -1);
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$replace[] = '(' . (isset($pattern[$name]) ? $pattern[$name] : '\w+') . ')?';
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} else {
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$replace[] = '(' . (isset($pattern[$name]) ? $pattern[$name] : '\w+') . ')';
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}
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$value[] = $name;
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}
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$val = str_replace($matches[0], $replace, $val);
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if (preg_match('/^' . $val . '$/', isset($m1[$key]) ? $m1[$key] : '', $match)) {
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array_shift($match);
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foreach ($value as $k => $name) {
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if (isset($match[$k])) {
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$var[$name] = $match[$k];
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}
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}
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continue;
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} else {
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return false;
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}
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}
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if (0 === strpos($val, '[:')) {
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// 可选参数
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$val = substr($val, 1, -1);
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$optional = true;
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} else {
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$optional = false;
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}
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if (0 === strpos($val, ':')) {
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// URL变量
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$name = substr($val, 1);
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if (!$optional && !isset($m1[$key])) {
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return false;
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}
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if (isset($m1[$key]) && isset($pattern[$name])) {
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// 检查变量规则
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if ($pattern[$name] instanceof \Closure) {
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$result = call_user_func_array($pattern[$name], [$m1[$key]]);
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if (false === $result) {
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return false;
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}
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} elseif (!preg_match(0 === strpos($pattern[$name], '/') ? $pattern[$name] : '/^' . $pattern[$name] . '$/', $m1[$key])) {
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return false;
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}
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}
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$var[$name] = isset($m1[$key]) ? $m1[$key] : '';
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} elseif (!isset($m1[$key]) || 0 !== strcasecmp($val, $m1[$key])) {
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return false;
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}
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}
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// 成功匹配后返回URL中的动态变量数组
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return $var;
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}
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}
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