PHP Insights // terminal loading PoC

php-insights-loading.php

<?php

$speed = 20e4;
$pointer = 0;
$square = '◼';
$loading = [
    array(
        "\033[0;32m{$square}\033[0m", // green
        "\033[1;33m{$square}\033[0m", // yellow
        "\033[0;31m{$square}\033[0m", // red
    ),
    array(
        "\033[0;31m{$square}\033[0m", // red
        "\033[0;32m{$square}\033[0m", // green
        "\033[1;33m{$square}\033[0m", // yellow
    ),
    array(
        "\033[1;33m{$square}\033[0m", // yellow
        "\033[0;31m{$square}\033[0m", // red
        "\033[0;32m{$square}\033[0m", // green
    ),
];

for ($i=0 ; $i<=100 ; $i++) {
    echo implode(' ', $loading[$pointer++]);
    if ($pointer > 2) {
        $pointer = 0;
    }
    echo "\033[5D";
    usleep($speed);
}