106 lines
2.4 KiB
PHP
106 lines
2.4 KiB
PHP
<?php
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# Schamlos geklaut von https://steampixel.de/einfaches-und-elegantes-url-routing-mit-php/
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class Route{
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private static $routes = Array();
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private static $pathNotFound = null;
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private static $methodNotAllowed = null;
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public static function add($expression, $function, $method = 'get'){
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array_push(self::$routes,Array(
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'expression' => $expression,
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'function' => $function,
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'method' => $method
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));
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}
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public static function pathNotFound($function){
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self::$pathNotFound = $function;
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}
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public static function methodNotAllowed($function){
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self::$methodNotAllowed = $function;
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}
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public static function run($basepath = '/'){
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// Parse current url
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$parsed_url = parse_url($_SERVER['REQUEST_URI']);//Parse Uri
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if(isset($parsed_url['path'])){
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$path = $parsed_url['path'];
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}else{
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$path = '/';
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}
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// Get current request method
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$method = $_SERVER['REQUEST_METHOD'];
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$path_match_found = false;
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$route_match_found = false;
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foreach(self::$routes as $route){
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// If the method matches check the path
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// Add basepath to matching string
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if($basepath!=''&&$basepath!='/'){
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$route['expression'] = '('.$basepath.')'.$route['expression'];
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}
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// Add 'find string start' automatically
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$route['expression'] = '^'.$route['expression'];
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// Add 'find string end' automatically
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$route['expression'] = $route['expression'].'$';
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// echo $route['expression'].'<br/>';
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// Check path match
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if(preg_match('#'.$route['expression'].'#',$path,$matches)){
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$path_match_found = true;
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// Check method match
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if(strtolower($method) == strtolower($route['method'])){
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array_shift($matches);// Always remove first element. This contains the whole string
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if($basepath!=''&&$basepath!='/'){
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array_shift($matches);// Remove basepath
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}
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call_user_func_array($route['function'], $matches);
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$route_match_found = true;
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// Do not check other routes
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break;
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}
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}
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}
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// No matching route was found
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if(!$route_match_found){
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// But a matching path exists
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if($path_match_found){
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header("HTTP/1.0 405 Method Not Allowed");
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if(self::$methodNotAllowed){
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call_user_func_array(self::$methodNotAllowed, Array($path,$method));
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}
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}else{
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header("HTTP/1.0 404 Not Found");
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if(self::$pathNotFound){
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call_user_func_array(self::$pathNotFound, Array($path));
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}
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}
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}
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}
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} |