Problem with clonable fields and groups

This topic has 4 replies, 2 voices, and was last updated 8 years, 4 months ago by Anh Tran.

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December 2, 2015 at 7:44 PM #1841

Johann
Participant

This issue occurs with both clonable fields and groups and so I posted it into the "general" forum.

I must query if such fields/groups have any values but it seems that this doesn't work. When I print_r() the empty field on the frontend it returns Array ( [0] => ). And sizeof() returns 1.

Do you have any suggestions or know a workaround?

Thanks,
Johann

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December 3, 2015 at 11:46 PM #1852

Anh Tran
Keymaster

Hi Johann,

For group, the value of a group is always an array. If it's cloneable, then the value is always array of arrays (2 level depth array), even when it's empty. So, for group, you should check the subvalue as well, not just empty on the group value.

For other fields, I can't replicate the bug. There is also 1 open pull request for similar bug on Github (for oembed field), but I can't make the same bug:

https://github.com/rilwis/meta-box/pull/703

Do you see the same problem? Can you post your code?

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December 4, 2015 at 5:02 AM #1857

Johann
Participant

Ok for clonable fields it works with sizeof( array_filter( $some_meta_array ) )

Still checking out how to check empty values for groups 🙂

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December 4, 2015 at 5:15 AM #1858

Johann
Participant

And for groups sizeof( array_filter( $some_meta_array[0] ) )

Can you confirm this?

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December 4, 2015 at 8:27 AM #1860

Anh Tran
Keymaster

Hi Johann, I think yes :), the code is correct.

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