In terms of scalability and performance, what are the limitations of using text files for storing user comments in PHP compared to a database solution like MySQL?

Storing user comments in text files can lead to scalability and performance issues as the file size grows. Retrieving, updating, and searching through large text files can be slow and inefficient compared to using a database like MySQL which is optimized for handling large amounts of data. To improve scalability and performance, it's recommended to use a database solution like MySQL for storing user comments. 

// Connect to MySQL database
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "comments";

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

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

Keywords

scalability performance text files user comments MySQL

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