如何在magento管理员配置设置的动态输入组中添加图像字段？

Question

I have created a module which add dynamic input group to magento admin configuration.

I have added image field but it can't save in database. Means if I select image than only image store in database in core_config_data — the encrypted value of row (just image field value)

If I remove image field than the data saved properly in database along with other inputs.

So here I can't save image type data with other data of dynamic input.

Answer 1

I've found reason + solution, maybe this is helpful for someone. Magento is using the wrong backend model. For saving images the backend model must be system_config_backend_image . But as you've added the fields dynamically (and not inside the system.xml) the fields have no assigned backend model, so magento will use the default for text values etc..

The solution is, to use the clone_fields functionality. Please find my explanation how to use it on my blog post http://www.mellority-report.com/magento-dynamic-config-fields-with-custom-backend-models/