Parse CSV via FAPI

parse_csv.md

ini_set('auto_detect_line_endings', true);

$rows = array();

// Load the csv file.
if ($csv_file = file_load($form_state['values']['csv_file'])) {
    if (($handle = fopen($csv_file->uri, "r")) !== FALSE) {
        while (($data = fgetcsv($handle, NULL, ",")) !== FALSE) {
           array_push($rows, $data);
        }
    }
}

if ($rows) {
    // Remove the header row from the array.
    array_shift($rows);
    // Process the data the way you want it.
}