Product Add Image Programmatically

addImage.php

<?php
require_once('../app/Mage.php'); //Path to Magento
umask(0);
Mage::app();
Mage::app()->setCurrentStore(Mage_Core_Model_App::ADMIN_STORE_ID);


$product_ids = Mage::getModel('catalog/product')->getCollection()->getAllIds();
    $c=0;
foreach( $product_ids as $id ) {
    $c++;
    //for remove existing Images
    $product =Mage::getModel('catalog/product')->load($id);
    $mediaApi = Mage::getModel("catalog/product_attribute_media_api");
    $mediaApiItems = $mediaApi->items($product->getId());

    foreach($mediaApiItems as $item) {
        $datatemp=$mediaApi->remove($product->getId(), $item['file']);
    }
    $product->save(); //before adding need to save product


    $imagepath = '/srv/users/serverpilot/apps/dev/public/urunfoto/'.$product->getSku().'.png';

    _echo( $c.'--------'.$product->getSku().'----------' );

    if( file_exists($imagepath)) {

        _echo('varr : '.$imagepath);
        $product->setMediaGallery (array('images'=>array (), 'values'=>array ()));
        $product->addImageToMediaGallery($imagepath,array('image','small_image','thumbnail'),true,false);
        try{
            $product->save();
            _echo('save ok');

        }catch (Exception $e){
            _echo('hata:'. $e->getMessage());
        }

    } else{

        _echo( 'yokk : '.$imagepath);
    }


}


function _echo($message){
    Mage::log($message, null, 'image_import.log', true);
    echo $message."\r\n";
}


?>