Deprecated: Optional parameter $trendType declared before required parameter $yValues is implicitly treated as a required parameter in C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\PORTEFEUILLE\ClassesPHPExcel\PHPExcel\Shared\trend\trendClass.php on line 87

Fatal error: Uncaught Error: Undefined constant "PHPEXCEL_ROOT" in C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\PORTEFEUILLE\ClassesPHPExcel\PHPExcel\Shared\trend\trendClass.php:29 Stack trace: #0 {main} thrown in C:\Program Files (x86)\EasyPHP-Devserver-17\eds-www\PORTEFEUILLE\ClassesPHPExcel\PHPExcel\Shared\trend\trendClass.php on line 29