Online PHP editor | refs for 6jv7s

@ 2014-12-16T15:06:57Z

<?php

$renderPyramid = function ($height) {
    $baseWidth = $height * 2 - 1;
    for ($i = 1; $i <= $height; $i++) {
        $spaces = str_pad('', $baseWidth - $i, ' ');
        $dots = str_pad('', $i * 2 - 1, '.');

        echo $spaces . $dots . PHP_EOL;
    }
};

$renderPyramid(4);