Csv file upload with support of handling files generated via Macintosh

upload.php

<?php

/*#############################
* Developer: Mohammad Sharaf Ali
* Designation: Sr. SE
* Version: 1.0
*/#############################

public static function processBulkImport($request)
{
	try {
		ini_set('max_execution_time', 0);
		ini_set('memory_limit', -1);
		ini_set('auto_detect_line_endings', 1); // to parse Mac csv file(s)

		$file = $request->file('csv_file');

		$handle = fopen($file->getRealPath(), 'r');
		$header = ['username', 'phoneNo', 'companyCode', 'userCode'];
		$data = ['notifyEmail' => $request->notify_email, 'data' => []];
		$error = $response = null;

		if (count(fgetcsv($handle)) == 4) {
			while (($row = fgetcsv($handle, 1000, ',')) !== false) {
				if (!empty($row) && count($row) == count(array_filter($row))) {
					$data['data'][] = array_combine($header, array_map('trim', $row));
				} else {
					$error = 'messages.empty_cell_value';
					break;
				}
			}
		} else {
			$error = 'messages.invalid_header_count';
		}

		fclose($handle);

		if ($error) {
			$response = self::error($error);
		} else {
			$response = self::postBulkImport($data);
		}
	} catch (\Exception $e) {
		Log::error("processBulkImport() there is some exception " . $e->getMessage());

		$response = self::error();
	}

	return (array) $response;
}