Niger: Query MySQL to generate data exports

This class can query MySQL to generate data exports.

It can connect to MySQL using MySQLi and execute arbitrary queries.

It can create CSV files with data from database query results and have the files split when they exceed a given number of lines.

What is the best PHP export mysql to csv or excel class?
Export MySQL tables using PHP to Excel Ideally

What is the best PHP mysql report generator class?
How to generate report from MySQL data

PDO Class
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export mysql data to excel spreadsheet
export mysql data to excel csv or xls spreadsheet file

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LINE CUT

export xlsx files
I want to export database records in xlsx format

What is the best PHP export excel class?
Trying to export query to an Excel file