Added Filters table

get_qid_counts.php

@@ -4,6 +4,9 @@ header('Content-Type: application/json');
 if (php_sapi_name() === 'cli') {
     echo "Running from command line.\n";
     $qid="QID2_7";
+    $q1 = 1;
+    $q2 = 2;
+    $q3 = 0;
 } else {
     //echo "Running from browser.\n";
     // Basic input validation and sanitization
@@ -12,6 +15,22 @@ if (php_sapi_name() === 'cli') {
         exit;
     }
     $qid = $_POST['qid'];
+    $q1 = filter_input(INPUT_POST, 'q1', FILTER_VALIDATE_INT);
+    $q2 = filter_input(INPUT_POST, 'q2', FILTER_VALIDATE_INT);
+    $q3 = filter_input(INPUT_POST, 'q3', FILTER_VALIDATE_INT);
+}
+
+$qualifier = "";
+if ($q1 > 0) {
+    $qualifier.=" AND r.Q1 = " . $q1; 
+}
+
+if ($q2 > 0) {
+    $qualifier.=" AND r.Q2 = " . $q2; 
+}
+
+if ($q3 > 0) {
+    $qualifier.=" AND r.Q3 = " . $q3; 
 }
 
 
@@ -34,14 +53,21 @@ try {
     $pdo = new PDO($dsn, $user, $pass, $options);
 
     $sql = "
-        SELECT value, COUNT(*) AS count
-        FROM Answers
-        WHERE QID = :qid
-          AND value BETWEEN -3 AND 3
-        GROUP BY value
-        ORDER BY value
+        SELECT 
+        a.value, 
+        COUNT(*) AS count, 
+        r.Q1, 
+        r.Q2, 
+        r.Q3
+        FROM Answers a
+        INNER JOIN Responses r ON a.responseId = r.id
+        WHERE a.QID = :qid' . $quantifier . ' 
+        GROUP BY a.value, r.Q1, r.Q2, r.Q3
+        ORDER BY a.value;
     ";
 
+    echo $sql;
+
     $stmt = $pdo->prepare($sql);
     $stmt->execute(['qid' => $qid]);
     $results = $stmt->fetchAll();