$row['A'] contains 13/03/2019
PHPExcel_Shared_Date::ExcelToPHP(trim($row['A']));
return float value
But date() function in PHP takes int
date('Y-m-d',PHPExcel_Shared_Date::ExcelToPHP(trim($row['A'])));
so it return 0
var_dump(PHPExcel_Shared_Date::ExcelToPHP(trim($row['A'])));exit();
showing result :float(2087015296)
print_r(intval(PHPExcel_Shared_Date::ExcelToPHP(trim($row['A']))));exit();
showing result: 2087015296
print_r(date('Y-m-d',2087015296));exit();
showing result 2036-02-19