Deprecated: Return type of PHPExcel_Worksheet_ColumnIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\laragon\www\siesicis\vendor\phpoffice\phpexcel\Classes\PHPExcel\Worksheet\ColumnIterator.php on line 147

Deprecated: Return type of PHPExcel_Worksheet_ColumnIterator::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\laragon\www\siesicis\vendor\phpoffice\phpexcel\Classes\PHPExcel\Worksheet\ColumnIterator.php on line 163

Deprecated: Return type of PHPExcel_Worksheet_ColumnIterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\laragon\www\siesicis\vendor\phpoffice\phpexcel\Classes\PHPExcel\Worksheet\ColumnIterator.php on line 156

Deprecated: Return type of PHPExcel_Worksheet_ColumnIterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\laragon\www\siesicis\vendor\phpoffice\phpexcel\Classes\PHPExcel\Worksheet\ColumnIterator.php on line 189

Deprecated: Return type of PHPExcel_Worksheet_ColumnIterator::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in C:\laragon\www\siesicis\vendor\phpoffice\phpexcel\Classes\PHPExcel\Worksheet\ColumnIterator.php on line 138