Adding image field in ACF plugin

To add an image field using the Advanced Custom Fields (ACF) plugin in WordPress, you can follow these steps:

1. Make sure the ACF plugin is installed and activated on your WordPress site.
2. In your WordPress admin dashboard, go to “Custom Fields” and click on “Add New” to create a new field group.
3. Enter a title for your field group (e.g., “Image Field Group”) and set the location rules as needed to determine where the field group should be displayed.
4. In the “Fields” section, click on “Add Field” to create a new field.
5. Choose “Image” as the field type from the available options.
6. Configure the field settings as desired. You can set the field label, name, instructions, and other options according to your requirements.
7. Save the field settings.
8. In your theme or plugin code, you can retrieve the value of the image field using the get_field() function provided by ACF. For example, if the field name is “image_field”, you can use get_field('image_field') to retrieve the image data.
9. You can then use the retrieved image data to display the image on your website using HTML or any appropriate method.

To set the size of an image field in the ACF plugin, you can utilize the return_format option provided by ACF. Here’s how you can do it:

1. Go to the ACF field group editor for the image field you want to modify.
2. Under the field settings, locate the “Return Value” option. It may vary depending on the version of ACF you are using, but it should be something like “Image URL”, “Image ID”, or “Image Array”.
3. Select the appropriate return value option based on how you want to retrieve the image data.
4. Next, scroll down to the “Field Settings” section and find the “Image Size” option. This option allows you to define the size of the image that will be displayed.
5. By default, ACF uses the “Thumbnail” size, which is a predefined image size in WordPress. However, you can choose a different size from the dropdown list, or you can specify a custom image size by selecting the “Custom” option and entering the width and height values.
6. Save the field settings.

After setting the image size, you can retrieve the image data using get_field() as mentioned earlier. Then, when displaying the image on your website, make sure to use appropriate HTML markup and CSS styling to control the image’s size based on the size settings you defined in the ACF field.

For example, if you selected the “Image URL” return value, you can use the retrieved URL to construct an <img> tag with the desired width and height attributes or apply CSS styling to control the image’s size.