Question

I am trying to use a function much like this…..

$file = fopen("/tmp/$importedFile.csv","r");
    while ($line =  fgetcsv($file))
        {
        $csv_data[] = $line;
        }
    fclose($file);

…to load CSV values. This is gravy but now I wish to select individual columns by their array number. I believe I want to select it with something like this, but cannot find any clarity.

$csv_data[2] = $line;

This however just shows second (third) row of data rather than column.
Regards

Answer 1

Do you need the whole file in memory or will you be processing the lines individually?

Processing individually:

$line is already an array. If you want the 3rd column, use $line[2]

Processing after reading the whole file:

$csv_data[$lineNo][$columnNo]