Answers for "phpexcel Notice: Trying to access array offset on value of type int"

Notice: Trying to access array offset on value of type int in /var/www/pdam/modules/phpexcel/PHPExcel/Cell/DefaultValueBinder.php on line 82

# go to Classes/Cell/DefaultValueBinder.php
# and replace line 82
} elseif (0 === strpos($pValue, '=') && strlen($pValue) > 1) {

: Trying to access array offset on value of type null in

isset($_POST['submit']) empty