How can the implementation of proper error reporting and debugging techniques improve the handling of MySQL queries in PHP?

Proper error reporting and debugging techniques can help identify and resolve issues with MySQL queries in PHP more efficiently. By enabling error reporting and using functions like mysqli_error() to display detailed error messages, developers can quickly pinpoint the source of the problem and make necessary adjustments to the query. Additionally, using tools like var_dump() or print_r() can help inspect variables and data structures to ensure the query is constructed correctly. 

// Enable error reporting
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Connect to MySQL database
$mysqli = new mysqli("localhost", "username", "password", "database");

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

// Execute MySQL query
$query = "SELECT * FROM table";
$result = $mysqli->query($query);

// Check for errors
if (!$result) {
    die("Query failed: " . $mysqli->error);
}

// Process query results
while ($row = $result->fetch_assoc()) {
    // Do something with the data
}

// Close connection
$mysqli->close();

Keywords

error reporting debugging techniques MySQL queries PHP functions error types

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