How can one effectively troubleshoot SQL syntax errors in PHP code?

To effectively troubleshoot SQL syntax errors in PHP code, carefully review the SQL query for any syntax errors such as missing quotes, incorrect table or column names, or improper use of SQL keywords. Additionally, use error handling functions like mysqli_error() to identify the specific error message returned by the database server. 

// Example code snippet to troubleshoot SQL syntax errors in PHP
$query = "SELECT * FROM users WHERE username = '$username'";
$result = mysqli_query($connection, $query);

if (!$result) {
    echo "Error: " . mysqli_error($connection);
} else {
    // Process the query result
}

Keywords

SQL syntax errors PHP code troubleshooting error types debugging.

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