How can PHP developers effectively use echo statements to debug and troubleshoot issues with MySQL queries in their code?

To effectively use echo statements to debug and troubleshoot issues with MySQL queries in PHP code, developers can output the generated SQL query before executing it to ensure it is correct. This can help identify syntax errors, missing parameters, or any other issues with the query construction. By echoing the query string, developers can easily spot any mistakes and make necessary adjustments before executing the query. 

$query = "SELECT * FROM table_name WHERE column_name = 'value'";
echo $query; // Output the generated SQL query for debugging purposes

// Execute the query using mysqli or PDO
$result = mysqli_query($connection, $query);
if ($result) {
    // Process the query result
} else {
    // Handle query execution errors
}

Keywords

PHP echo statements MySQL queries debugging troubleshooting

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