In what ways can PHP developers improve their coding skills and understanding of PHP fundamentals to prevent errors like the one discussed in the forum thread?

Issue: The error discussed in the forum thread is likely due to improper handling of database connections in PHP. To prevent such errors, PHP developers should ensure they are properly establishing and closing database connections in their code. Fix: 

// Establish a database connection
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

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

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

// Perform database operations here

// Close the database connection
$conn->close();

Keywords

PHP coding skills fundamentals error prevention debugging

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