Solution is :
https://developer.wordpress.org/plugins/metadata/managing-post-metadata/#hidden-arrays
Arrays are hidden in default. Please code your own post edit screen.
Thank you myself! This helps another one.
Solution is :
https://developer.wordpress.org/plugins/metadata/managing-post-metadata/#hidden-arrays
Arrays are hidden in default. Please code your own post edit screen.
Thank you myself! This helps another one.