PHP数据库查询MySQL可以通过以下步骤实现:
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "myDB";
$conn = mysqli_connect($servername, $username, $password, $dbname);
if (!$conn) {
die("连接失败: " . mysqli_connect_error());
}
$sql = "SELECT * FROM users";
$result = mysqli_query($conn, $sql);
if (!$result) {
die("查询失败: " . mysqli_error($conn));
}
while ($row = mysqli_fetch_assoc($result)) {
echo "ID: " . $row["id"]. " - Name: " . $row["name"]. " - Email: " . $row["email"]. "<br>";
}
mysqli_close($conn);
PHP数据库查询MySQL的应用场景包括但不限于:
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