PHP class that allows you to draw a rectangle on the command line.

Rectangle.php

<?php

class rectangle {

  public function __construct($size, $width = 0, $height = 0) {
    
    $sizes = $this->getSizes();
    if (isset($sizes[$size])) {
      $this->width = $sizes[$size]['width'];
      $this->height = $sizes[$size]['height'];
    }
    else {
      // Assume custom size
      $this->width = $width;
      $this->height = $height;
    }
    
  }

  private function getSizes() {
    
    $sizes = [
      'small' => [
        'width' => 2,
        'height' => 1,
      ],
      'medium' => [
        'width' => 4,
        'height' => 2,
      ],
      'large' => [
        'width' => 10,
        'height' => 3,
      ],
      'x-large' => [
        'width' => 20,
        'height' => 4,
      ]
    ];

    return $sizes;

  }

  public function drawRectangle() {

    $width = $this->width;
    $height = $this->height;
    $rectangle = "";

    if ($width <= 0 && $height <= 0) {
      return $rectangle;
    }

    // Top row
    $rectangle = $this->drawRow($width, true) . "\n";

    // Filling
    while ($height > 0) {
      $rectangle .= $this->drawRow($width) . "\n";
      $height--;
    }

    // Bottom row
    $rectangle .= $this->drawRow($width, true) . "\n";

    return $rectangle;

  }

  private function drawRow($width, $isSide = false) {

    // First column
    $row = $isSide ? "." : "|";

    // Filling
    while ($width > 0) {
      $row .= $isSide ? "-" : " ";
      $width--;
    }

    // Last column
    $row .= $isSide ? "." : "|";
    return $row;
    
  }

}

$rect = new Rectangle('small');
print $rect->drawRectangle();

$rect = new Rectangle('medium');
print $rect->drawRectangle();

$rect = new Rectangle('large');
print $rect->drawRectangle();

$rect = new Rectangle('x-large');
print $rect->drawRectangle();

$rect = new Rectangle('custom', 40, 6);
print $rect->drawRectangle();