update mescole and photo diagram

public/userarea/match_matrici_foto.php

@@ -0,0 +1,69 @@
+<?php
+require_once("include/headscript.php");
+
+$db = DBHandlerSelect::getInstance();
+$pdo = $db->getConnection();
+
+$folder = __DIR__ . "/photos/matrici/";  // cartella corretta
+$files = scandir($folder);
+
+function normalize($str)
+{
+    $str = strtolower($str);
+    $str = preg_replace('/[^a-z0-9]/', '', $str); // rimuove tutto ciò che non è alfanumerico
+    return $str;
+}
+
+// Carico matrici
+$sql = "SELECT id, nome FROM matrice";
+$matrici = $pdo->query($sql)->fetchAll(PDO::FETCH_ASSOC);
+
+$matched = [];
+$unmatchedPhotos = [];
+
+foreach ($files as $file) {
+
+    // ignora file nascosti, . e ..
+    if ($file === "." || $file === "..") continue;
+
+    $fileNoExt = pathinfo($file, PATHINFO_FILENAME);
+    $normFile = normalize($fileNoExt);
+
+    $found = false;
+
+    foreach ($matrici as $m) {
+
+        $normNome = normalize($m['nome']);
+
+        if ($normNome === "") continue; // evita errori su record vuoti
+
+        // MATCHING: inizia con oppure contiene
+        if (strpos($normFile, $normNome) === 0 || strpos($normFile, $normNome) !== false) {
+
+            $update = $pdo->prepare("UPDATE matrice SET photo = ? WHERE id = ?");
+            $update->execute([$file, $m['id']]);
+
+            $matched[] = [$file, $m['nome']];
+            $found = true;
+            break;
+        }
+    }
+
+    if (!$found) {
+        $unmatchedPhotos[] = $file;
+    }
+}
+
+// RISULTATO:
+
+echo "<h2>✔ FOTO ASSOCIATE</h2>";
+if (empty($matched)) echo "Nessuna foto trovata";
+foreach ($matched as $m) {
+    echo "✔ <strong>{$m[0]}</strong> → Matrice: <strong>{$m[1]}</strong><br>";
+}
+
+echo "<hr><h2>❌ FOTO NON ASSOCIATE</h2>";
+if (empty($unmatchedPhotos)) echo "Tutte le foto hanno trovato una matrice!";
+foreach ($unmatchedPhotos as $u) {
+    echo "❌ <strong>$u</strong><br>";
+}