umstellung auf shared codeigniter und postgres php8.2

public/index.php

@@ -1,8 +1,23 @@
 <?php
 
+// Check PHP version.
+$minPhpVersion = '7.4'; // If you update this, don't forget to update `spark`.
+if (version_compare(PHP_VERSION, $minPhpVersion, '<')) {
+    $message = sprintf(
+        'Your PHP version must be %s or higher to run CodeIgniter. Current version: %s',
+        $minPhpVersion,
+        PHP_VERSION
+    );
+
+    exit($message);
+}
+
 // Path to the front controller (this file)
 define('FCPATH', __DIR__ . DIRECTORY_SEPARATOR);
 
+// Ensure the current directory is pointing to the front controller's directory
+chdir(FCPATH);
+
 /*
  *---------------------------------------------------------------
  * BOOTSTRAP THE APPLICATION
@@ -12,20 +27,34 @@ define('FCPATH', __DIR__ . DIRECTORY_SEPARATOR);
  * and fires up an environment-specific bootstrapping.
  */
 
-// Ensure the current directory is pointing to the front controller's directory
-chdir(__DIR__);
-
 // Load our paths config file
 // This is the line that might need to be changed, depending on your folder structure.
-$pathsConfig = FCPATH . '../app/Config/Paths.php';
-// ^^^ Change this if you move your application folder
-require realpath($pathsConfig) ?: $pathsConfig;
+require FCPATH . '../app/Config/Paths.php';
+// ^^^ Change this line if you move your application folder
 
 $paths = new Config\Paths();
 
 // Location of the framework bootstrap file.
-$bootstrap = rtrim($paths->systemDirectory, '\\/ ') . DIRECTORY_SEPARATOR . 'bootstrap.php';
-$app       = require realpath($bootstrap) ?: $bootstrap;
+require rtrim($paths->systemDirectory, '\\/ ') . DIRECTORY_SEPARATOR . 'bootstrap.php';
+
+// Load environment settings from .env files into $_SERVER and $_ENV
+require_once SYSTEMPATH . 'Config/DotEnv.php';
+(new CodeIgniter\Config\DotEnv(ROOTPATH))->load();
+
+/*
+ * ---------------------------------------------------------------
+ * GRAB OUR CODEIGNITER INSTANCE
+ * ---------------------------------------------------------------
+ *
+ * The CodeIgniter class contains the core functionality to make
+ * the application run, and does all of the dirty work to get
+ * the pieces all working together.
+ */
+
+$app = Config\Services::codeigniter();
+$app->initialize();
+$context = is_cli() ? 'php-cli' : 'web';
+$app->setContext($context);
 
 /*
  *---------------------------------------------------------------
@@ -34,4 +63,5 @@ $app       = require realpath($bootstrap) ?: $bootstrap;
  * Now that everything is setup, it's time to actually fire
  * up the engines and make this app do its thang.
  */
+
 $app->run();