code
<?php
$servername = "localhost";
$username = "root";
$password = "root";
$dbname = "db_android";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT * FROM comment";
$result = $conn->query($sql);
$data =array();
if ($result->num_rows > 0) {
echo '{"testData":[';
$first = true;
// output data of each row
while($row = $result->fetch_assoc()) {
if($first) {
$first = false;
} else {
echo ',';
}
echo json_encode($row);
}
echo ']}';
} else {
echo '[]';
}
$conn->close();
?>