Fix trailing whitespace and JSON parse errors on backend

04/ambil_data.php

@@ -5,9 +5,12 @@ $data = [];
 
 $result = $conn->query("SELECT * FROM spbu");
 
-while ($row = $result->fetch_assoc()) {
-    $data[] = $row;
+if ($result) {
+    while ($row = $result->fetch_assoc()) {
+        $data[] = $row;
+    }
+} else {
+    // If table doesn't exist or other error, return empty array
 }
 
-echo json_encode($data);
-?>
+echo json_encode($data);

04/hapus.php

@@ -10,6 +10,5 @@ $query = "DELETE FROM spbu WHERE id='$id'";
 if ($conn->query($query)) {
     echo "success";
 } else {
-    echo "error";
+    echo "error: " . $conn->error;
 }
-?>

04/index.php

@@ -266,7 +266,7 @@ lng:pos.lng
 })
 .then(r=>r.text())
 .then(res=>{
-if(res=="success"){
+if(res.trim()=="success"){
 alert("Lokasi berhasil diupdate");
 location.reload();
 }
@@ -348,7 +348,7 @@ body:fd
 })
 .then(r=>r.text())
 .then(res=>{
-if(res=="success"){
+if(res.trim()=="success"){
 alert("Data berhasil disimpan");
 location.reload();
 }else{
@@ -422,7 +422,7 @@ lng:lng
 })
 .then(r=>r.text())
 .then(res=>{
-if(res=="success"){
+if(res.trim()=="success"){
 alert("Data berhasil diupdate");
 location.reload();
 }else{
@@ -452,7 +452,7 @@ id:id
 })
 .then(r=>r.text())
 .then(res=>{
-if(res=="success"){
+if(res.trim()=="success"){
 alert("Data berhasil dihapus");
 location.reload();
 }

04/koneksi.php

@@ -9,4 +9,3 @@ $conn = mysqli_connect($host, $user, $pass, $db);
 if (!$conn) {
     die("Koneksi database gagal: " . mysqli_connect_error());
 }
-?>

04/simpan.php

@@ -15,6 +15,5 @@ $query = "INSERT INTO spbu (nama_spbu, no_wa, status, latitude, longitude)
 if ($conn->query($query)) {
     echo "success";
 } else {
-    echo "error";
+    echo "error: " . $conn->error;
 }
-?>

04/update.php

@@ -21,6 +21,5 @@ $query = "UPDATE spbu SET
 if ($conn->query($query)) {
     echo "success";
 } else {
-    echo "error";
+    echo "error: " . $conn->error;
 }
-?>