Create product from existing product to populate the magento database for testing purposes.

create_dummy_products.php

<?php
/**
 * Created by PhpStorm.
 * User: Admin
 * Date: 20. 06. 2015
 * Time: 08:21
 */


// env config
ini_set('display_errors', 1);
umask(0);
define('MAGENTO_ROOT', getcwd());
$mageFilename = MAGENTO_ROOT . '/app/Mage.php';

require_once($mageFilename);


class ImageCreator
{

    static $imagesList = array();
    static $ImagesCount = 0;
    static $textst = array();

    static $CATEGORY_ID = 4;
    static $PRODUCT_QTY = 15;
    static $IMAGES_PER_PRODUCT = 1;
    static  $tempImagesSource = 'tmpimage';
    static  $base_items = array();


    static $loremEndpoint = 'http://www.lipsum.com/feed/json?amount=50&what=paras&start=0';

    public function  _init()
    {

        Mage::app()->setCurrentStore(Mage_Core_Model_App::ADMIN_STORE_ID);


        self::$imagesList = array_diff(
            scandir(dirname(__FILE__) ."/" .self::$tempImagesSource),
            array('.', '..')
        );

        if(count(self::$imagesList) == 0) {
            echo "Geting temp images";
            self::_getImages();

            self::$imagesList = array_diff(
                scandir(dirname(__FILE__) ."/". self::$tempImagesSource),
                array('.', '..')
            );
        }

        self::$ImagesCount = count(self::$imagesList)-1;


        $items = Mage::getModel('catalog/product')->getCollection()
                    ->addAttributeToSelect('entity_id')
                    ->load();

        foreach ($items as $i) {
            self::$base_items[] =  $i->getId();
        }


    }

    private  function  _getImages ()
    {
        $categories = [
            'abstract','animals',
            'business','cats',
            'city','food',
            'nightlife','fashion',
            'people','nature',
            'sports', 'transport', 'technics',
        ];


        mkdir(self::$tempImagesSource, 0777);
        foreach ($categories as $cat)
        {
            for($i = 1; $i <= 10; $i++)
            {
                $image_name 	= dirname(__FILE__)."/".self::$tempImagesSource."/{$cat}-{$i}.jpg";
                file_put_contents($image_name, fopen("http://lorempixel.com/700/700/{$cat}/{$i}", 'r'));
            }
        }
    }

    public  function  Create()
    {
        for($i =0; $i < 750000 ; $i++)
        {
            echo "Creating {$i} product \n";
            $mageID = self::$base_items[ rand(0, count(self::$base_items) -1 )];
            $product= Mage::getModel('catalog/product')->load((int)$mageID);
            if($product)
            {
                $dataSet = $product->getData();
                unset($dataSet['entity_id']);
                self::CreateDummyProduct($dataSet, $product->getCategoryIds());
            }
        }
    }

    function getImage()
    {
        $name = self::$imagesList[rand(2, self::$ImagesCount)];
        echo $name . "\n";
        $image =  dirname(__FILE__) . "/".self::$tempImagesSource."/{$name}";

        $shufled_name = substr(str_shuffle('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'), 0, 10);

        $dest = dirname(__FILE__) . "/".self::$tempImagesSource."/{$shufled_name}.jpg";

        copy($image, $dest);

        return $dest;

    }

    private function CreateDummyProduct($data,$CATEGORY)
    {



        $dummy_sku = substr(str_shuffle('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'), 0, 10);

        $rand_price = rand(10, 999);
        $cost_price = rand(10, ($rand_price / 2));
        $special_price = rand($cost_price, ($rand_price / 2));


        $data['sku'] = $dummy_sku;
        $data['price'] = number_format($rand_price / 10, 2, '.', '');
        $data['cost'] = number_format($cost_price / 10, 2, '.', '');
        $data['weight'] = number_format(rand(1, 10), 2, '.', '');
        $data['category_ids'] = $CATEGORY;


        $product = Mage::getModel('catalog/product');
        $product->setData($data);


        try {
            $product->save();
        } catch (Exception $e) {
            echo "ERROR: {$e}\n";
            die();
        }

        $product_id = $product->getIdBySku($dummy_sku);
        $product = Mage::getModel('catalog/product')->load($product_id);

        #mkdir('tmpimage', 0777);
        for ($j = 0; $j < self::$IMAGES_PER_PRODUCT; $j++) {
            // download and save file

            $image_name = self::getImage();

            try
            {
                $product->addImageToMediaGallery($image_name, ($j == 0) ? array('thumbnail', 'small_image', 'image') : null, true, false);
            }
            catch (Exception $e)
            {
                echo "ERROR: \n{$image_name}\n";
            }
        }

        try {
            $product->save();
        } catch (Exception $e) {
            echo "ERROR: {$e}\n";
        }


    }

}


$imgc = new ImageCreator();
$imgc->_init();
$imgc->Create();