Small php router function

routes.php

<?php

function routes($path, $routes) {
	foreach ($routes as $route) {

		// regular expressio to detect path tags
		$tagsregex = '/(\{([\w]+)\})/';

		// regular expression to test route
		$regex = '/' . str_replace('/', '\\/', "^{$route[0]}$") . '/';

		// get path variables
		if(preg_match_all($tagsregex, $route[0], $vars)) {
			$regex = preg_replace($tagsregex, '([^\/]+)', $regex);
		}

		// test route
		if(preg_match($regex, $path, $matches)) {

			// setup method and route function
			if(is_string($route[1])) {
				$method = $route[1];
				$func   = $route[2];
			}
			else {
				$method = 'get';
				$func = $route[1];
			}

			// test method
			if(strtolower($_SERVER['REQUEST_METHOD'])===$method) {

				// setup method and input data
				if($method=='put' || $method=='delete') {
					parse_str(file_get_contents("php://input"), $inputData);
				}
				elseif($method=='post') {
					$inputData = $_POST;
				}
				elseif($method=='get') {
					$inputData = $_GET;
				}

				// get path matches
				if($vars) {
					$path = [];
					foreach($vars[2] as $k=>$var) {
						$path[$var] = $matches[$k+1];
					}
				}

				// call route function
				call_user_func($func, $inputData, $path);
				break;
			}
		}
	}
}