71 lines
1.6 KiB
PHP
71 lines
1.6 KiB
PHP
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<?php
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <admin@codeigniter.com>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace CodeIgniter\HotReloader;
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/**
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* @internal
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*/
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final class HotReloader
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{
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public function run(): void
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{
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if (session_status() === PHP_SESSION_ACTIVE) {
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session_write_close();
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}
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ini_set('zlib.output_compression', 'Off');
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header('Cache-Control: no-store');
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header('Content-Type: text/event-stream');
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header('Access-Control-Allow-Methods: GET');
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ob_end_clean();
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set_time_limit(0);
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$hasher = new DirectoryHasher();
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$appHash = $hasher->hash();
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while (true) {
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if (connection_status() !== CONNECTION_NORMAL || connection_aborted()) {
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break;
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}
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$currentHash = $hasher->hash();
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// If hash has changed, tell the browser to reload.
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if ($currentHash !== $appHash) {
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$appHash = $currentHash;
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$this->sendEvent('reload', ['time' => date('Y-m-d H:i:s')]);
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break;
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}
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if (mt_rand(1, 10) > 8) {
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$this->sendEvent('ping', ['time' => date('Y-m-d H:i:s')]);
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}
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sleep(1);
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}
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}
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/**
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* Send an event to the browser.
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*/
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private function sendEvent(string $event, array $data): void
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{
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echo "event: {$event}\n";
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echo 'data: ' . json_encode($data) . "\n\n";
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ob_flush();
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flush();
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}
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}
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