This repository demonstrates a common error encountered when using foreach loops in PHP to iterate over arrays with non-consecutive numeric keys. The code attempts to ...

throw new Exception("The row #$i could not be found, please file an issue in the tracker with the HTML code"); it's return error if you use as associative arrays ...

Through this tutorial I will help you to solve the problem if "array_column" function is not working. May be you are using the older version of PHP. Let me remind you, this will work with 5.5 version ...