php-compiler/benchmarks/mandelbrot.php at master · ircmaxell/php-compiler · GitHub

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<?php

declare(strict_types=1);

/**
 * This file is part of PHP-Compiler, a PHP CFG Compiler for PHP code
 *
 * @copyright 2015 Anthony Ferrara. All rights reserved
 * @license MIT See LICENSE at the root of the project for more info
 */

function mandel(): void
{
    $w1 = 50;
    $h1 = 150;
    $recen = -.45;
    $imcen = 0.0;
    $r = 0.7;
    $s = 0;
    $rec = 0;
    $imc = 0;
    $re = 0;
    $im = 0;
    $re2 = 0;
    $im2 = 0;
    $x = 0;
    $y = 0;
    $w2 = 0;
    $h2 = 0;
    $color = 0;
    $s = 2 * $r / $w1;
    $w2 = 40;
    $h2 = 12;
    for ($y = 0; $y <= $w1; $y = $y + 1) {
        $imc = $s * ($y - $h2) + $imcen;
        for ($x = 0; $x <= $h1; $x = $x + 1) {
            $rec = $s * ($x - $w2) + $recen;
            $re = $rec;
            $im = $imc;
            $color = 1000;
            $re2 = $re * $re;
            $im2 = $im * $im;
            while (((($re2 + $im2) < 1000000) && $color > 0)) {
                $im = $re * $im * 2 + $imc;
                $re = $re2 - $im2 + $rec;
                $re2 = $re * $re;
                $im2 = $im * $im;
                $color = $color - 1;
            }
            if ($color == 0) {
                echo '_';
            } else {
                echo '#';
            }
        }
        echo "\n";
    }
}

mandel();