Faker generate dataset

generate.php

<?php

require_once __DIR__ . '/vendor/autoload.php';

use Faker\Factory;

if (file_exists('data.csv')) {
    unlink('data.csv');
}

$file = fopen('data.csv', 'w');

$count = $argv[1];

if (!is_numeric($count)) {
    echo 'Please provide a numeric count' . PHP_EOL;
    exit(1);
}

$faker = Factory::create();

for ($i = 0; $i < $count; $i++) {
    fputcsv($file, [
        $faker->name,
        $faker->randomElement(['M', 'F']),
        $faker->numberBetween(18, 65),
    ]);
}

fclose($file);