Sindbad~EG File Manager

<?php

namespace App\Imports;

use App\Models\Branch;
use App\Models\Member;
use Illuminate\Support\Collection;
use Maatwebsite\Excel\Concerns\ToCollection;
use Maatwebsite\Excel\Concerns\WithStartRow;

class MembersImport implements ToCollection, WithStartRow {

    private $data;

    public function __construct(array $data = []) {
        $this->data = $data;
    }

    /**
     * @param Collection $rows
     */
    public function collection(Collection $rows) {

        $branches = Branch::all();

        foreach ($rows as $row) {
            if ($row->filter()->isEmpty()) {
                continue;
            }

            // Check First name || Last name || Member no is empty
            if ($row[0] == '' || $row[1] == '' || $row[3] == '') {
                continue;
            }

            // Check Email is a valid email address
            if ($row[2] != '' && !filter_var($row[2], FILTER_VALIDATE_EMAIL)) {
                continue;
            }

            // Check Email is unique
            if ($row[2] != '') {
                $member = Member::where('email', $row[2])->first();
                if ($member) {
                    continue;
                }
            }

            // Check Member no is unique
            $member = Member::where('member_no', $row[3])->first();
            if ($member) {
                continue;
            }

            if ($row[13] != null) {
                $branch = $branches->where('name', $row[13])->first();

                if (!$branch) {
                    $branch = Branch::create([
                        'name' => $row[13],
                    ]);
                }
            }

            $member                = new Member();
            $member->first_name    = $row[0];
            $member->last_name     = $row[1];
            $member->email         = $row[2];
            $member->member_no     = $row[3];
            $member->country_code  = $row[4];
            $member->mobile        = $row[5];
            $member->business_name = $row[6];
            $member->gender        = strtolower($row[7]);
            $member->city          = $row[8];
            $member->state         = $row[9];
            $member->zip           = $row[10];
            $member->address       = $row[11];
            $member->credit_source = $row[12];
            $member->branch_id     = $row[13] != null ? $branch->id : null;
            $member->status        = 1;

            $member->save();

        }

    }

    /**
     * @return int
     */
    public function startRow(): int {
        return 2;
    }

}