一个简单的php路由类

<?php
namespace cmhc\Hcrail;

class Hcrail
{

/**
* callback function
* @var callable
*/
protected static $callback;

/**
* match string or match regexp
* @var string
*/
protected static $match;

protected static $routeFound = false;

/**
* deal with get,post,head,put,delete,options,head
* @param  $method
* @param  $arguments
* @return
*/
public static function __callstatic($method, $arguments)
{
self::$match = str_replace("//", "/", dirname($_SERVER['PHP_SELF']) . '/' . $arguments[0]);
self::$callback = $arguments[1];
self::dispatch();
return;
}

/**
* processing ordinary route matches
* @param string $requestUri
* @return
*/
public static function normalMatch($requestUri)
{
if (self::$match == $requestUri) {
self::$routeFound = true;
call_user_func(self::$callback);
}
return;
}

/**
* processing regular route matches
* @param string $requestUri
* @return
*/
public static function regexpMatch($requestUri)
{
//处理正则表达式
$regexp = self::$match;
preg_match("#$regexp#", $requestUri, $matches);
if (!empty($matches)) {
self::$routeFound = true;
call_user_func(self::$callback, $matches);
}
return;
}

/**
* dispatch route
* @return
*/
public static function dispatch()
{
if (self::$routeFound) {
return ;
}
$requestUri = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
$requestMethod = $_SERVER['REQUEST_METHOD'];

if (strpos(self::$match, '(') === false) {
self::normalMatch($requestUri);
} else {
self::regexpMatch($requestUri);
}

}

/**
* Determining whether the route is found
* @return boolean
*/
public static function isNotFound()
{
return !self::$routeFound;
}

}

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