Online PHP editor | rfc for 5hYuX

@ 2016-01-07T19:29:49Z

<?php
            class ColorShifter{
                private $colors;

                public function __construct($colors) {
                   $this->colors = new ArrayObject($colors);
                }
                 
                public function getNext() {
                    $this->colors->getIterator()->next();
                    return $this->colors->getIterator()->current();
                }
            }
        
        
            $imageWidth = 300;
            $imageHeight = 350;
            
            
            
            $image = imagecreate($imageWidth, $imageHeight);
            $red = imagecolorallocate($image, 255, 10 , 10);
            $blue = imagecolorallocate($image, 10, 10 , 255);
            $gold = imagecolorallocate($image, 255, 240, 0);
            
            $colors = new ArrayObject(array($red, $blue, $gold));
            $iterator = $colors->getIterator();
            
            
            for($i = 0; $i<$imageWidth; $i += 10){
                if(!$iterator->valid()) $iterator->rewind();
                $iterator->next();
                imagefilledrectangle($image, 0 , 0, $imageWidth - $i , $imageHeight-$i, $iterator->current());
            }
            $iterator->next();
            imagefilledrectangle($image, 0, 0, 10, 10,  $iterator->current());
            imagepng($image);
            header('Content-Type: image/png');
            echo $image;

Output for git.master, git.master_jit, rfc.property-hooks: Fatal error: Uncaught Error: Call to undefined function imagecreate() in /in/5hYuX:21 Stack trace: #0 {main} thrown in /in/5hYuX on line 21
Process exited with code 255.

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