Kaffeeliste"; echo "Hallo " . getUserName($conn,$mailadress) . "!

"; // Annahme: $conn ist bereits vorhanden (sqlsrv_connect in deiner Infrastruktur) if (!isset($conn)) { die("DB Verbindung (\$conn) fehlt."); } function h($s): string { return htmlspecialchars((string)$s, ENT_QUOTES, 'UTF-8'); } /** * OPTIONAL: Admin-Schutz via Basic Auth (auskommentieren, wenn nicht gewünscht) */ /* $ADMIN_USER = 'admin'; $ADMIN_PASS = 'changeme'; if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']) || $_SERVER['PHP_AUTH_USER'] !== $ADMIN_USER || $_SERVER['PHP_AUTH_PW'] !== $ADMIN_PASS) { header('WWW-Authenticate: Basic realm="Umfrage Admin"'); header('HTTP/1.0 401 Unauthorized'); echo "Unauthorized"; exit; } */ $drinks = [ 'espresso' => 'Espresso', 'crema' => 'Café Crema', 'cappuccino' => 'Cappuccino', 'latte' => 'Latte Macchiato', 'americano' => 'Americano', 'decaf' => 'Entkoffeiniert', 'other' => 'Andere', ]; $problems = [ 'forget' => 'Vergesse Eintrag', 'empty' => 'Kaffee leer', 'water' => 'Wasser auffüllen', 'too_little' => 'zu wenig Kaffeeausgabe', 'too_much' => 'zu viel Kaffeeausgabe', 'none' => 'Kein Problem', 'other' => 'Sonstiges', ]; $improvements = [ 'easier_entry' => 'Einfacherer Eintrag', 'overview' => 'Übersicht über Kosten/Verbrauch', 'more_mails' => 'Mehr Info-Mails', 'adjust_amount' => 'Menge der Kaffeeausgabe anpassen', 'other' => 'Sonstiges', ]; // Helper: SQL scalar function sql_scalar($conn, string $sql, array $params = []) { $stmt = sqlsrv_query($conn, $sql, $params); if ($stmt === false) return null; $row = sqlsrv_fetch_array($stmt, SQLSRV_FETCH_NUMERIC); return $row ? $row[0] : null; } // Helper: SQL all rows function sql_all($conn, string $sql, array $params = []): array { $stmt = sqlsrv_query($conn, $sql, $params); if ($stmt === false) return []; $rows = []; while ($r = sqlsrv_fetch_array($stmt, SQLSRV_FETCH_ASSOC)) { $rows[] = $r; } return $rows; } $errors = []; $totalResponses = (int)(sql_scalar($conn, "SELECT COUNT(*) FROM dbo.CoffeeSurveyResponses") ?? 0); $totalVotedEmails = (int)(sql_scalar($conn, "SELECT COUNT(*) FROM dbo.CoffeeSurveyVotedEmails") ?? 0); // Skalen-Auswertung (Avg + Count pro Wert 1..5) function scale_stats($conn, string $col): array { $sql = " SELECT AVG(CAST([$col] AS FLOAT)) AS avgVal, SUM(CASE WHEN [$col] = 1 THEN 1 ELSE 0 END) AS c1, SUM(CASE WHEN [$col] = 2 THEN 1 ELSE 0 END) AS c2, SUM(CASE WHEN [$col] = 3 THEN 1 ELSE 0 END) AS c3, SUM(CASE WHEN [$col] = 4 THEN 1 ELSE 0 END) AS c4, SUM(CASE WHEN [$col] = 5 THEN 1 ELSE 0 END) AS c5 FROM dbo.CoffeeSurveyResponses "; $rows = sql_all($conn, $sql); if (!$rows) return ['avg'=>null,'c'=>[0,0,0,0,0]]; $r = $rows[0]; return [ 'avg' => $r['avgVal'] !== null ? (float)$r['avgVal'] : null, 'c' => [(int)$r['c1'], (int)$r['c2'], (int)$r['c3'], (int)$r['c4'], (int)$r['c5']] ]; } $q1 = scale_stats($conn, 'Q1_ListEase'); $q2 = scale_stats($conn, 'Q2_ListSatisfaction'); $q3 = scale_stats($conn, 'Q3_CoffeeQuality'); $q4 = scale_stats($conn, 'Q4_WebsiteSatisfaction'); // Problem (Q7) Gruppiert $q7Rows = sql_all($conn, " SELECT Q7_ListProblem AS keyVal, COUNT(*) AS cnt FROM dbo.CoffeeSurveyResponses GROUP BY Q7_ListProblem ORDER BY cnt DESC "); // CSV-Felder + Freitext sammeln (limit) $limit = 500; // genug für Auswertung, falls riesig: erhöhen oder paginieren $dataRows = sql_all($conn, " SELECT TOP ($limit) CreatedAt, Q5_Drinks, Q5_DrinksOther, Q6_NewVarieties, Q8_Improvements, Q8_ImprovementsOther, Q9_BetterIdeas FROM dbo.CoffeeSurveyResponses ORDER BY CreatedAt DESC "); // Aggregation in PHP für Mehrfachauswahl $drinkCounts = array_fill_keys(array_keys($drinks), 0); $drinkOtherTexts = []; $impCounts = array_fill_keys(array_keys($improvements), 0); $impOtherTexts = []; $newVarietiesTexts = []; $betterIdeasTexts = []; foreach ($dataRows as $r) { // Q5 drinks CSV $csv = trim((string)($r['Q5_Drinks'] ?? '')); if ($csv !== '') { $parts = array_filter(array_map('trim', explode(',', $csv))); foreach ($parts as $p) { if (array_key_exists($p, $drinkCounts)) $drinkCounts[$p]++; } } $ot = trim((string)($r['Q5_DrinksOther'] ?? '')); if ($ot !== '') $drinkOtherTexts[] = $ot; // Q8 improvements CSV $csv2 = trim((string)($r['Q8_Improvements'] ?? '')); if ($csv2 !== '') { $parts2 = array_filter(array_map('trim', explode(',', $csv2))); foreach ($parts2 as $p2) { if (array_key_exists($p2, $impCounts)) $impCounts[$p2]++; } } $ot2 = trim((string)($r['Q8_ImprovementsOther'] ?? '')); if ($ot2 !== '') $impOtherTexts[] = $ot2; // Q6 / Q9 Freitext $t6 = trim((string)($r['Q6_NewVarieties'] ?? '')); if ($t6 !== '') $newVarietiesTexts[] = $t6; $t9 = trim((string)($r['Q9_BetterIdeas'] ?? '')); if ($t9 !== '') $betterIdeasTexts[] = $t9; } // Hilfsfunktion Prozent function pct(int $n, int $total): string { if ($total <= 0) return "0%"; return round(($n / $total) * 100, 1) . "%"; } ?>

Umfrage – Ergebnisse

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