![A brief story of how a bad composer constraint can make a release unuseful | by Spotwilliams | Medium A brief story of how a bad composer constraint can make a release unuseful | by Spotwilliams | Medium](https://miro.medium.com/v2/resize:fit:1400/1*M6M_Cy0hLxGs_zsAeNAF-w.png)
A brief story of how a bad composer constraint can make a release unuseful | by Spotwilliams | Medium
![Class 'Mpdf\Mpdf' not found in ..\vendor\phpoffice\phpspreadsheet\src\ PhpSpreadsheet\Writer\Pdf\Mpdf.php · Issue #1677 · PHPOffice/PhpSpreadsheet · GitHub Class 'Mpdf\Mpdf' not found in ..\vendor\phpoffice\phpspreadsheet\src\ PhpSpreadsheet\Writer\Pdf\Mpdf.php · Issue #1677 · PHPOffice/PhpSpreadsheet · GitHub](https://user-images.githubusercontent.com/31573181/95668249-f155be80-0b36-11eb-818a-9d2371e3697e.png)
Class 'Mpdf\Mpdf' not found in ..\vendor\phpoffice\phpspreadsheet\src\ PhpSpreadsheet\Writer\Pdf\Mpdf.php · Issue #1677 · PHPOffice/PhpSpreadsheet · GitHub
![php - How to use PHPSpreadsheet in CodeIgniter 3 to read data from Excel (.xlsx and .xls) file? - Stack Overflow php - How to use PHPSpreadsheet in CodeIgniter 3 to read data from Excel (.xlsx and .xls) file? - Stack Overflow](https://i.stack.imgur.com/HFzN3.png)
php - How to use PHPSpreadsheet in CodeIgniter 3 to read data from Excel (.xlsx and .xls) file? - Stack Overflow
Is it possible to provide a version without using Composer? · Issue #3221 · PHPOffice/PhpSpreadsheet · GitHub
![php - Cannot use phpoffice/phpspreadsheet's latest version 1.28.0 as it requires ext-fileinfo * which is missing from your platform - Stack Overflow php - Cannot use phpoffice/phpspreadsheet's latest version 1.28.0 as it requires ext-fileinfo * which is missing from your platform - Stack Overflow](https://i.stack.imgur.com/ZJB7j.png)
php - Cannot use phpoffice/phpspreadsheet's latest version 1.28.0 as it requires ext-fileinfo * which is missing from your platform - Stack Overflow
![Convert XLS to CSV stopped working now upgraded to PHP 7.X :( - PHP - SitePoint Forums | Web Development & Design Community Convert XLS to CSV stopped working now upgraded to PHP 7.X :( - PHP - SitePoint Forums | Web Development & Design Community](https://global.discourse-cdn.com/sitepoint/original/3X/a/f/af4cb9e0c5ab17245cd5208873921bd9ea3c8aea.png)