Major Fix, added new logic for pages, added redirect for env-error.php and db-error.php

.htaccess

@@ -0,0 +1,6 @@
+RewriteEngine On
+
+RewriteCond %{REQUEST_FILENAME} !-f
+RewriteCond %{REQUEST_FILENAME} !-d
+
+RewriteRule ^([a-zA-Z0-9-]+)/?$ index.php?page=$1 [QSA,L]

config/functions_init.php

@@ -1,123 +1,52 @@
 <?php
 
-  // CHECKING ERROR ENV AND PRINT RESULT
 function error_env($option) {
   global $env;
+
   if (empty($env)) {
     $result = "<p class='err_env_result'><span>ERROR:</span> Variable '<u>\$env</u>' is empty!</p>";
     $help = "<p class='err_env_help'>Please insert the correct value in the file 'config/init.php' or leave it to 'generic'</p>";
   } else {
-    $result="<p class='err_env_result'><span>ERROR:</span> The environment '<u>{$env}</u>' not exists!</p>";
+    $result = "<p class='err_env_result'><span>ERROR:</span> The environment '<u>{$env}</u>' does not exist!</p>";
-    $help="<p class='err_env_help'>Please insert the correct value in the file 'config/init.php or leave it to 'generic'</p>";
+    $help = "<p class='err_env_help'>Please insert the correct value in the file 'config/init.php' or leave it to 'generic'</p>";
   }
 
-  if($option == "result"){
+  echo $option === "result" ? $result : $help;
-    echo $result;
-  }elseif($option == "help"){
-    echo $help;
-  }else{
-    echo "ERROR: Wrong attribute in declared in the function!";
-    die;
-    }
 }
 
-  function php_pages($option=null, $domain_shows=null){
-    // Required files or shows error if debug has been set to on.
-    if ($option == "error"){
-      $required_pages=[
-        PAGES_FOLD . "404.php",
-        PAGES_FOLD . "home.php"
-      ];
 
-      $missing_pages=[];
+/**
+ * Get current page safely.
+ */
+function get_current_page() {
+  $page = $_GET["page"] ?? "home";
 
-      foreach($required_pages as $required){
+  $page = strtolower(trim($page));
-       if (! file_exists($required)){
+  $page = preg_replace("/[^a-z0-9\-]/", "", $page);
-        array_push($missing_pages, $required);
-       }
-      }
 
-      if (! empty($missing_pages)){
+  if ($page === "") {
-        if (DEBUG){
-          echo "<h1>ERROR: Missing Required Pages:</h1>";
-          echo "<ul>";
-            foreach ($missing_pages as $pagepath){
-              echo "<li>Required file '" . $pagepath . "' is missing!</li>";
-            }
-          echo "</ul>";
-        
-        }
-        die("Required pages are missing!.");
-      }
-      
-    }
-
-    if (isset($_GET["page"])){
-      // ---- OPTIONS IF PAGE HAS BEEN DECLARED ----
-      $pagecheck=$_GET["page"];
-      if (empty($pagecheck)){
     $page = "home";
-      }elseif(file_exists(PAGES_FOLD . $pagecheck . ".php")){
-        $page=$pagecheck;
-      }else{
-        $page="404";
   }
 
-      // title for pages
-      if ( $domain_shows == "show" ){
-        $page_title=DOMAIN . " | " . ucfirst($page);
-      }else{
-        $page_title= ucfirst($page);
-      }
-
-      // return call
-      switch($option){
-        case "return_page":
   return $page;
-          break;
-        case "return_title":
-          return $page_title;
-          break;
-        case "page":
-          echo $page;
-          break;
-        case "title":
-          echo $page_title;
-          break;
-        default:
-          echo $page;
 }
 
-    }else{
-      // ---- OPTIONS IF PAGE HAS NOT BEEN DECLARED ----
-      $page = "home";
 
-      // title for pages
+/**
-      if ( $domain_shows == "show" ){
+ * Resolve page file.
-        $page_title=DOMAIN . " | " . ucfirst($page);
+ */
-      }else{
+function resolve_page() {
-        $page_title= ucfirst($page);
+  $page = get_current_page();
+  $file = PAGES_FOLD . $page . ".php";
+
+  // 👉 rendi disponibile globalmente
+  $GLOBALS["current_page"] = $page;
+
+  if (file_exists($file)) {
+    return $file;
   }
 
-      // return call
+  http_response_code(404);
-      switch($option){
+  $GLOBALS["current_page"] = "404";
-        case "return_page":
+  return PAGES_FOLD . "404.php";
-          return $page;
-          break;
-        case "return_title":
-          return $page_title;
-          break;
-        case "page":
-          echo $page;
-          break;
-        case "title":
-          echo $page_title;
-          break;
-        default:
-          echo $page;
 }
-      
-    }
-  }
-  
-?>

config/init.php

@@ -15,6 +15,7 @@
     /* ----------------------------------- */
     default:
       // Showing error page by default.
+      $error_env_check=true;
       include("pages/env-error.php");
       die;
 

index.php

@@ -1,7 +1,7 @@
 <?php
   include("./config/init.php");
-  php_pages("error");
+
-  include(ROOT_DIR . "/templates/header.php");
+  include(TEMPLATES_FOLD . "header.php");
-  include("./pages/home.php");
+  include(resolve_page());
-  include("./templates/footer.php");
+  include(TEMPLATES_FOLD . "footer.php");
 ?>

pages/404.php

@@ -0,0 +1,4 @@
+<section>
+  <h1>404</h1>
+  <p>Page not found.</p>
+</section>

pages/about.php

@@ -0,0 +1 @@
+<h1>About</h1>

pages/db-error.php

@@ -1,3 +1,7 @@
+<?php if ($db_needed !== "yes"){
+  header("Location: " . ROOT_URL );
+}
+?>
 <!DOCTYPE html>
 <html lang="en">
 <head>

pages/env-error.php

@@ -1,3 +1,8 @@
+<?php
+  if (! $error_env_check){
+    header("Location: " . ROOT_URL );
+  }
+?>
 <!DOCTYPE html>
 <html lang="en">
 <head>

templates/header.php

@@ -4,7 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <?php include(INCLUDES_FOLD . "head_links.php"); ?>
-  <title><?php php_pages("title", "show"); ?></title>
+  <title><?php echo ucfirst($GLOBALS["current_page"] ?? "Home"); ?></title>
 </head>
 <body>
   <header>