rename rectangle width param to thickness

composer.json

@@ -1,6 +1,6 @@
 {
 	"name": "antonlukin/poster-image",
-	"version": "2.2",
+	"version": "2.3",
 	"description": "Wrapper for PHP's GD Library for easy image manipulation",
 	"keywords": ["php", "image", "text", "gd"],
 	"homepage": "https://github.com/antonlukin/poster-image",

src/PosterImage.php

@@ -521,18 +521,18 @@ public function line($x1, $y1, $x2, $y2, $options = array())
     public function rectangle($x, $y, $width, $height, $options = array())
     {
         $defaults = array(
-            'color'   => array(0, 0, 0),
-            'opacity' => 0,
-            'width'   => 1,
-            'outline' => false,
+            'color'     => array(0, 0, 0),
+            'opacity'   => 0,
+            'thickness' => 1,
+            'outline'   => false,
         );
 
         $options = array_merge($defaults, $options);
 
         // Get color from options.
         $color = $this->getColor($options);
 
-        imagesetthickness($this->resource, $options['width']);
+        imagesetthickness($this->resource, $options['thickness']);
 
         if (true === $options['outline']) {
             imagerectangle($this->resource, $x, $y, $x + $width, $y + $height, $color);