Small example of skiping $array+=

Example.ps1

# Surname list from a web site
$uri = "https://names.mongabay.com/most_common_surnames.htm"
$data = Invoke-WebRequest $uri
$table_surname = $data.ParsedHtml.getElementsByTagName("table") | Select -first 1
[array]$table_surname = $table_surname | select -ExpandProperty innertext
$table_surname = $table_surname.Replace("SurnameApproximate", "").replace("Number%", "").replace("FrequencyRank", "")
$table_surname = $table_surname -split "`n"
[regex]$filter = '[^a-zA-Z]'
$surname_list = $table_surname -replace $filter

# Firstname List

$uri = "https://names.mongabay.com/male_names_alpha.htm"
$data = Invoke-WebRequest $uri
$table_firstname = $data.ParsedHtml.getElementsByTagName("table") | Select -first 1
[array]$table_firstname = $table_firstname | select -ExpandProperty innertext
$table_firstname = $table_firstname.Replace("Name%", "").replace("NumberRank", "").replace("FrequencyApproximate", "")
$table_firstname = $table_firstname -split "`n"
[regex]$filter = '[^a-zA-Z]'
$firstname_list = $table_firstname -replace $filter

$surname_count = $surname_list.count
$firstname_count = $firstname_list.count

$number_of_name = 1..10000000
$array = @(
    # This will be added to array (there is nothing on the left side)
    "Firstname,surname"

    $number_of_name | % {

        $random_surname_num = get-random -Maximum $surname_count

        $random_surname = $surname_list[$random_surname_num]

        $random_firstname_num = get-random -Maximum $firstname_count

        $random_firstname = $firstname_list[$random_surname_num]

        # this will be added to $Array
        $random_firstname + "," + $random_surname
    }
)
$array