What potential issue could cause a website to stop functioning suddenly, especially when hosted on one.com?

One potential issue that could cause a website to stop functioning suddenly, especially when hosted on one.com, is exceeding the resource limits set by the hosting provider. This could be due to a sudden increase in traffic or inefficient code causing high server load. To solve this issue, you can optimize your code, reduce the number of plugins or scripts running on your website, and consider upgrading to a higher hosting plan with more resources. 

// Example code to optimize database queries by using prepared statements
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

// Prepare and bind SQL statement
$stmt = $conn->prepare("SELECT id, name FROM users WHERE id = ?");
$stmt->bind_param("i", $id);

// Set parameters and execute
$id = 1;
$stmt->execute();

// Process result
$result = $stmt->get_result();
while($row = $result->fetch_assoc()) {
    echo "id: " . $row["id"]. " - Name: " . $row["name"]. "<br>";
}

// Close statement and connection
$stmt->close();
$conn->close();

Keywords

PHP one.com server configuration database connection fatal error

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