curl request in udemy api using php and export data in excel file

To make any calls to Udemy REST API, you will need to create an API client. API client consists of a bearer token, which is connected to a user account on Udemy. To send authenticated requests, provide the client_id and client_secret values as a base64 encoded HTTP Authorization header. You may also like PHPExcel export mysql to Excel in Laravel 5 and PHPExcel export mysql to excel in Codeigniter.

PHP Code

<?php
    require_once 'PHPExcel.php';
    require_once 'PHPExcel/IOFactory.php';
        
    
    $objPHPExcel = new PHPExcel();

    $default_border = array(
            'style' => PHPExcel_Style_Border::BORDER_THIN,
            'color' => array('rgb' => '000000'),
    );

    $acc_default_border = array(
            'style' => PHPExcel_Style_Border::BORDER_THIN,
            'color' => array('rgb' => 'c7c7c7'),
    );
    $outlet_style_header = array(
            'font' => array(
                    'color' => array('rgb' => '000000'),
                    'size' => 10,
                    'name' => 'Arial',
                    'bold' => true,
            ),
    );
    $top_header_style = array(
            'borders' => array(
                    'bottom' => $default_border,
                    'left' => $default_border,
                    'top' => $default_border,
                    'right' => $default_border,
            ),
            'fill' => array(
                    'type' => PHPExcel_Style_Fill::FILL_SOLID,
                    'color' => array('rgb' => 'ffff03'),
            ),
            'font' => array(
                    'color' => array('rgb' => '000000'),
                    'size' => 15,
                    'name' => 'Arial',
                    'bold' => true,
            ),
            'alignment' => array(
                    'vertical' => PHPExcel_Style_Alignment::VERTICAL_CENTER,
                    'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_CENTER,
            ),
    );
    $style_header = array(
            'borders' => array(
                    'bottom' => $default_border,
                    'left' => $default_border,
                    'top' => $default_border,
                    'right' => $default_border,
            ),
            'fill' => array(
                    'type' => PHPExcel_Style_Fill::FILL_SOLID,
                    'color' => array('rgb' => 'ffff03'),
            ),
            'font' => array(
                    'color' => array('rgb' => '000000'),
                    'size' => 12,
                    'name' => 'Arial',
                    'bold' => true,
            ),
            'alignment' => array(
                    'vertical' => PHPExcel_Style_Alignment::VERTICAL_CENTER,
                    'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_LEFT,
            ),
    );
    $account_value_style_header = array(
            'borders' => array(
                    'bottom' => $default_border,
                    'left' => $default_border,
                    'top' => $default_border,
                    'right' => $default_border,
            ),
            'font' => array(
                    'color' => array('rgb' => '000000'),
                    'size' => 12,
                    'name' => 'Arial',
            ),
            'alignment' => array(
                    'vertical' => PHPExcel_Style_Alignment::VERTICAL_CENTER,
                    'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_LEFT,
            ),
    );
    $text_align_style = array(
            'alignment' => array(
                    'horizontal' => PHPExcel_Style_Alignment::HORIZONTAL_CENTER,
                    'vertical' => PHPExcel_Style_Alignment::VERTICAL_CENTER,
            ),
            'borders' => array(
                    'bottom' => $default_border,
                    'left' => $default_border,
                    'top' => $default_border,
                    'right' => $default_border,
            ),
            'fill' => array(
                    'type' => PHPExcel_Style_Fill::FILL_SOLID,
                    'color' => array('rgb' => 'ffff03'),
            ),
            'font' => array(
                    'color' => array('rgb' => '000000'),
                    'size' => 12,
                    'name' => 'Arial',
                    'bold' => true,
            ),
    );

    $objPHPExcel->setActiveSheetIndex(0)->mergeCells('A1:B1');
    $objPHPExcel->getActiveSheet()->setCellValue('A1', 'Udemy API Report');

    $objPHPExcel->getActiveSheet()->getStyle('A1')->applyFromArray($top_header_style);
    $objPHPExcel->getActiveSheet()->getStyle('B1')->applyFromArray($top_header_style);

    $objPHPExcel->getActiveSheet()->setCellValue('A2', 'Title');
    $objPHPExcel->getActiveSheet()->setCellValue('B2', 'Url');



    $objPHPExcel->getActiveSheet()->getStyle('A2')->applyFromArray($style_header);
    $objPHPExcel->getActiveSheet()->getStyle('B2')->applyFromArray($style_header);

    $objPHPExcel->getActiveSheet()->getColumnDimension('A')->setWidth(75);
    $objPHPExcel->getActiveSheet()->getColumnDimension('B')->setWidth(75);
    $row = 3;

    $limit = 100;  
    $total_pages = ceil(1000 / $limit); 
    
    $array  = array();
    
for($i=0; $i<=$total_pages; $i++)
{
    header('Content-Type: application/json');
    $url = "https://www.udemy.com/api-2.0/courses/?fields[user]&page=".$i."&page_size=".$limit."";
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_URL,$url);
    curl_setopt($ch,CURLOPT_HTTPHEADER,array('X-Udemy-Client-Id:','X-Udemy-Client-Secret:',"Authorization:","Accept: application/json, text/plain, */*"));
    curl_setopt($ch, CURLINFO_HEADER_OUT, true);
    $result=curl_exec($ch);
    curl_getinfo($ch, CURLINFO_HEADER_OUT);
    curl_getinfo($ch,CURLINFO_HTTP_CODE);
    $result = json_decode($result);
    
    if(!empty($result->results))
    {
        foreach ($result->results as $value)
        {
            $objPHPExcel->getActiveSheet()->setCellValue('A'.$row, $value->title);
            $objPHPExcel->getActiveSheet()->setCellValue('B'.$row, $value->url);
            $row++;
        }
    }
}


header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment;filename="udemy.xls"');
header('Cache-Control: max-age=0');
$objWriter = PHPExcel_IOFactory::createWriter($objPHPExcel, 'Excel5');
$objWriter->save('php://output');

?>