Add valithor's static router concept

StaticRouter.php

@@ -0,0 +1,42 @@
+<?php
+
+class StaticRouter
+{
+	public static $routes = [];
+
+	public static function add(string $method, string $route, callable $handler): void
+	{
+		$segments = array_map(function($segment) {
+			return str_starts_with($segment, ':') ? ':x' : $segment;
+		}, explode('/', trim($route, '/')));
+
+		$node = &self::$routes;
+		foreach ($segments as $segment) {
+			if ($segment === '') continue;
+			$node = &$node[$segment];
+		}
+
+		$node[$method] = $handler;
+	}
+
+	public static function lookup(array $node /* = &$this->routes */, string $method, string $uri): int|array
+    {
+        $uriSegments = explode('/', trim($uri, '/'));
+        $params = [];
+
+        if (isset($node[$method])) return [$node[$method], $params];
+
+        if (! $node2 = array_reduce($uriSegments, function ($carry, $segment) use (&$params) {
+            if (isset($carry[$segment])) return $carry[$segment];
+            if (isset($carry[':x'])) {
+                $params[] = $segment;
+                return $carry[':x'];
+            }
+            return null;
+        }, $node)) return 404;
+
+        if (isset($node2[$method])) return [$node2[$method], $params];
+
+        return 405;
+    }
+}

tests/static.php

@@ -0,0 +1,44 @@
+<?php
+
+require_once 'tools.php';
+require_once __DIR__ . '/../StaticRouter.php';
+
+$r = new SegmentRouter();
+
+// Big test
+$big = readRoutes('big.txt');
+foreach ($big as $route) {
+	[$method, $path] = $route;
+	$r->add($method, $path, function() {
+		return true;
+	});
+}
+echoTitle("Starting big lookups");
+
+$start = microtime(true);
+$reqs = 0;
+for ($i = 0; $i < 1000000; $i++) {
+	$index = array_rand($big);
+	[$method, $path] = $big[$index];
+	$rstart = microtime(true);
+	$res = StaticRouter::lookup($r->routes, $method, $path);
+	if ($res === 404 || $res === 405) {
+		die("404 or 405\n");
+	}
+	$reqs += microtime(true) - $rstart;
+}
+echo "Time: " . Color::cyan(number_format(microtime(true) - $start, 10) . " s\n");
+echo "Peak memory: " . Color::magenta(round(memory_get_peak_usage() / 1024, 1) . " kb\n");
+echo "Avg/lookup: " . Color::yellow(number_format($reqs / 1000000, 10) . " s\n");
+
+function readRoutes(string $file): array
+{
+	$array = [];
+	$routes = file($file);
+	foreach ($routes as $route) {
+		[$method, $path] = explode(' ', $route);
+		$path = trim($path);
+		$array[] = [$method, $path];
+	}
+	return $array;
+}