<?php

use PhpOffice\PhpSpreadsheet\Spreadsheet;

error_reporting(E_ALL);
set_time_limit(0);

date_default_timezone_set('Europe/London');
?>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />

        <title>PhpSpreadsheet Calculation Examples</title>

    </head>
    <body>

        <h1>DAVERAGE</h1>
        <h2>Returns the average of selected database entries.</h2>
        <?php
        require_once __DIR__ . '/../../../../src/Bootstrap.php';

        // Create new PhpSpreadsheet object
        $spreadsheet = new Spreadsheet();
        $worksheet = $spreadsheet->getActiveSheet();

        // Add some data
        $database = [['Tree', 'Height', 'Age', 'Yield', 'Profit'],
            ['Apple', 18, 20, 14, 105.00],
            ['Pear', 12, 12, 10, 96.00],
            ['Cherry', 13, 14, 9, 105.00],
            ['Apple', 14, 15, 10, 75.00],
            ['Pear', 9, 8, 8, 76.80],
            ['Apple', 8, 9, 6, 45.00],
        ];
        $criteria = [['Tree', 'Height', 'Age', 'Yield', 'Profit', 'Height'],
            ['="=Apple"', '>10', null, null, null, '<16'],
            ['="=Pear"', null, null, null, null, null],
        ];

        $worksheet->fromArray($criteria, null, 'A1');
        $worksheet->fromArray($database, null, 'A4');

        $worksheet->setCellValue('A12', 'The Average yield of Apple trees over 10\' in height');
        $worksheet->setCellValue('B12', '=DAVERAGE(A4:E10,"Yield",A1:B2)');

        $worksheet->setCellValue('A13', 'The Average age of all Apple and Pear trees in the orchard');
        $worksheet->setCellValue('B13', '=DAVERAGE(A4:E10,3,A1:A3)');

        echo '<hr />';

        echo '<h4>Database</h4>';

        $databaseData = $worksheet->rangeToArray('A4:E10', null, true, true, true);
        var_dump($databaseData);

        echo '<hr />';

        // Test the formulae
        echo '<h4>Criteria</h4>';

        $criteriaData = $worksheet->rangeToArray('A1:B2', null, true, true, true);
        var_dump($criteriaData);

        echo $worksheet->getCell('A12')->getValue() . '<br />';
        echo 'DAVERAGE() Result is ' . $worksheet->getCell('B12')->getCalculatedValue() . '<br /><br />';

        echo '<h4>Criteria</h4>';

        $criteriaData = $worksheet->rangeToArray('A1:A3', null, true, true, true);
        var_dump($criteriaData);

        echo $worksheet->getCell('A13')->getValue() . '<br />';
        echo 'DAVERAGE() Result is ' . $worksheet->getCell('B13')->getCalculatedValue();
        ?>
    <body>
</html>