상품이미지 첨부 안하면 특정 이미지 보여지게

<?php
            $big_img_count = 0;
            $thumbnails = array();
            for($i=1; $i<=10; $i++) {
                if(!$it['it_img'.$i])
                    continue;
    
                $img = get_it_thumbnail($it['it_img'.$i], $default['de_mimg_width'], $default['de_mimg_height']);
    
                if($img) {
                    // 썸네일
                    $thumb = get_it_thumbnail($it['it_img'.$i], 70, 70);
                    $thumbnails[] = $thumb;
                    $big_img_count++;
    
                    echo '<a href="'.G5_SHOP_URL.'/largeimage.php?it_id='.$it['it_id'].'&amp;no='.$i.'" target="_blank" class="popup_item_image">'.$img.'</a>';
                }
            }
    
            if($big_img_count == 0) {
                echo '<img src="'.G5_SHOP_URL.'/img/no_image.gif" alt="">';
            }
            ?>

// 상품 이미지를 얻는다
function get_it_image($it_id, $width, $height=0, $anchor=false, $img_id='', $img_alt='', $is_crop=false)
{
    global $g5;

    if(!$it_id || !$width)
        return '';

    $row = get_shop_item($it_id, true);

    if(!$row['it_id'])
        return '';

    $filename = $thumb = $img = '';
    
    $img_width = 0;
    for($i=1;$i<=10; $i++) {
        $file = G5_DATA_PATH.'/item/'.$row['it_img'.$i];
        if(is_file($file) && $row['it_img'.$i]) {
            $size = @getimagesize($file);
            if(! isset($size[2]) || $size[2] < 1 || $size[2] > 3)
                continue;

            $filename = basename($file);
            $filepath = dirname($file);
            $img_width = $size[0];
            $img_height = $size[1];

            break;
        }
    }

    if($img_width && !$height) {
        $height = round(($width * $img_height) / $img_width);
    }

    if($filename) {
        //thumbnail($filename, $source_path, $target_path, $thumb_width, $thumb_height, $is_create, $is_crop=false, $crop_mode='center', $is_sharpen=true, $um_value='80/0.5/3')
        $thumb = thumbnail($filename, $filepath, $filepath, $width, $height, false, $is_crop, 'center', false, $um_value='80/0.5/3');
    }

    if($thumb) {
        $file_url = str_replace(G5_PATH, G5_URL, $filepath.'/'.$thumb);
        $img = '<img src="'.$file_url.'" width="'.$width.'" height="'.$height.'" alt="'.$img_alt.'"';
    } else {
        $img = '<img src="'.G5_SHOP_URL.'/img/no_image.gif" width="'.$width.'"';
        if($height)
            $img .= ' height="'.$height.'"';
        $img .= ' alt="'.$img_alt.'"';
    }

    if($img_id)
        $img .= ' id="'.$img_id.'"';
    $img .= '>';

    if($anchor)
        $img = $img = '<a href="'.shop_item_url($it_id).'">'.$img.'</a>';

    return run_replace('get_it_image_tag', $img, $thumb, $it_id, $width, $height, $anchor, $img_id, $img_alt, $is_crop);
}