07-04-1394، 03:21 ب.ظ
سلام وقت بخیر دوستان مشکل این کدها چیه به نظر شما
این خطا رو میده
<!DOCTYPE html>
<html>
<body>
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "alex";
// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
$sql = "SELECT `id`,`food`, `colories` FROM `foods` ORDER BY `id`";
$result = mysqli_query($conn, $sql);
if (mysqli_num_rows($result) > 0) {
// output data of each row
while($row = mysqli_fetch_assoc($result)) {
echo "id: " . $row["id"]. " - Name: " . $row["food"]. " " . $row["calories"]. "<br>";
}
} else {
echo "0 results";
}
mysqli_close($conn);
?>
</body>
</html>
این خطا رو میده
کد:
Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given in0 results