How can the implode function be used to simplify the process of creating a SQL query in PHP?

When creating a SQL query in PHP, it is common to concatenate strings together to form the query. This can be error-prone and messy. By using the implode function in PHP, you can simplify the process by joining an array of strings with a specified separator, such as a comma or space.

// Example of using implode to simplify SQL query creation
$columns = ['id', 'name', 'email'];
$table = 'users';

$query = 'SELECT ' . implode(', ', $columns) . ' FROM ' . $table;
echo $query;