72 lines
1.6 KiB
PHP
72 lines
1.6 KiB
PHP
<?php
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class TrieRouter
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{
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private array $GET = [];
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private array $POST = [];
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private array $PUT = [];
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private array $DELETE = [];
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// Add route to the trie
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public function add(string $method, string $route, callable $handler)
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{
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$node = &$this->{strtoupper($method)};
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$segments = explode('/', trim($route, '/'));
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foreach ($segments as $segment) {
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if (!isset($node[$segment])) {
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$node[$segment] = ['_children' => [], '_handler' => null];
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}
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$node = &$node[$segment]['_children'];
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}
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$node['_handler'] = $handler;
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}
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// Find and handle the route
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public function handleRequest(string $method, string $uri)
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{
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$node = &$this->{strtoupper($method)};
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$segments = explode('/', trim($uri, '/'));
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$params = [];
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foreach ($segments as $segment) {
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if (isset($node[$segment])) {
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$node = &$node[$segment]['_children'];
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} else {
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// Handle dynamic parameters (e.g., :id)
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$dynamicSegment = $this->matchDynamicSegment($node, $segment);
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if ($dynamicSegment) {
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$params[] = $segment;
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$node = &$node[$dynamicSegment]['_children'];
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} else {
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return $this->notFound();
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}
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}
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}
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// Check if a handler exists for the current node
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if (isset($node['_handler'])) {
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return call_user_func_array($node['_handler'], $params);
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}
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return $this->notFound();
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}
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// Match dynamic route segments like ':id'
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private function matchDynamicSegment(array $node, string $segment)
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{
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foreach ($node as $key => $value) {
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if (strpos($key, ':') === 0) return $key;
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}
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return null;
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}
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// Default 404 handler
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private function notFound()
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{
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echo "404 Not Found";
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return false;
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}
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}
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