Christmas tree

christmas.php

<?php
 
/**
 * Ask santa for less fugly code next year
 *
 * Happy new year from Ignas:)
 */
 
 
//Open alternate window
fwrite(STDOUT, "\0337\033[?47h");
 
$top = "
                                |
                              \\ ' /
                         ";
 
$base = "
                               >*<
                              >O<@<
                             >>>@<<*
                            >@>*<O<<<
                           >*>>@<<<@<<
                          >@>>O<<<*<<@<
                         >*>>O<<@<<<@<<<
                        >@>>*<<@<>*<<O<*<
                       >O>>*<<@<>O><<*<@<<
                      >*>>@><O<<*>>@><*<O<<
                     >@>>O<*<O>>@<<O<<<*<@<<
                    >O>>*<<@>O><*<O><@<<<O<*<
                               | |
                               | |
                              /___\
";
 
/**
 * Add sparkling top
 *
 * @param     $top
 * @param int $size
 * @return string
 */
function sparkleTop($top, $size = 1)
{
    $topLight = '- (@) -';
    $topLight = str_repeat(' ', 5 - $size) . preg_replace('/-{1,}/', str_repeat('-', $size), $topLight);
 
    $top = $top . $topLight;
 
    return $top;
}
 
/**
 * Switch toys to add animation
 *
 * @param            $tree
 * @param bool|false $reverse
 * @return string
 */
function switchToys($tree, $reverse = false)
{
    $replace = ["*" => "@", "@" => "*"];
 
    if ($reverse) {
        $replace = array_flip($replace);
    }
 
    $tree = strtr($tree, $replace);
 
    return $tree;
}
 
/**
 * Color text
 *
 * @param $text
 * @param $color
 * @return string
 */
function color($text, $color)
{
    $colors = [
        'red'    => "\033[31m",
        'green'  => "\033[32m",
        'yellow' => "\033[33m"
    ];
    $end = "\033[0m";
 
    $text = $colors[$color] . $text . $end;
 
    return $text;
}
 
// color all <> symbols green
$base = str_replace(
    ['<', '>'],
    [
        color('<', 'green'),
        color('>', 'green')
    ],
    $base
);
 
$reverse = true;
$iteration = 0;
 
// animate it all
while (true) {
    $reverse = !$reverse;
 
    // clear screen
    fwrite(STDOUT, "\033[H\033[2J");
    $output = $base;
 
    if ($iteration % 3 === 0) {
        $base = switchToys($base, $reverse);
        $iteration = 0;
    }
 
    // color toys
    $output = str_replace('*', color('*', 'red'), $base);
    $output = str_replace('@', color('@', 'yellow'), $output);
 
    $topping = sparkleTop($top, $iteration);
    $output = $topping . $output;
 
    $iteration++;
 
    echo $output;
    usleep(500000);
}