Helper function to load csv file into array

loadCsvFileToArray.php

<?php

public function loadCsvFileToArray($filepath)
{
    $resource = fopen($filepath, 'r');
    $columns = fgetcsv($resource, null, ',', '"');

    $collection = [];
    while($data = fgetcsv($resource, null, ',', '"')) {
        $row = array_combine($columns, $data);
        $collection[] = $row;
    }
    fclose($resource);

    return $collection;
}