配置

public/__diag_php.php

@@ -0,0 +1,12 @@
+<?php
+
+header('Content-Type: application/json; charset=utf-8');
+
+echo json_encode([
+    'php_version' => PHP_VERSION,
+    'loaded_ini' => php_ini_loaded_file(),
+    'extension_dir' => ini_get('extension_dir'),
+    'mbstring_loaded' => extension_loaded('mbstring'),
+    'mb_split_exists' => function_exists('mb_split'),
+], JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
+