wp_set_object_terms not accepting variable array

Question

I am trying to use the following command:

wp_set_object_terms( $myID, $myissuearray, 'my_issues', true );

But for some reason, it won't accept my variable array.

That array, $myissuearray, using error_log(print_r($myissuearray,true)) outputs:

Array
(
    [0] => 9
    [1] => 10
    [2] => 77
    [3] => 12
)

Which sure looks like a valid array to me.

If on the other hand, I don't use my variable and set the issue array by hand in the command to something like:

wp_set_object_terms( $myID, array(9,10,77,12), 'my_issues', true );

the command works and the terms are set. I am stumped as to what I am doing wrong. Why won't this command accept my variable array??

how are you setting $myissuearray? also can you var_dump instead of print_r and show the result? — David Lee
– David Lee, Commented Feb 18, 2017 at 13:58
I JUST did that, and I notice they are strings, so I think that solves the mystery thanks. Now to figure out how to convert my string array to integers... — Stephen
– Stephen, Commented Feb 18, 2017 at 13:59
nice, please consider deleting the question or answering yourself — David Lee
– David Lee, Commented Feb 18, 2017 at 14:02

Stephen · Accepted Answer · 2017-02-18 14:06:10Z

0

Ok, so it turned out that my array was an array of strings somehow, which using var_dump (instead of print_r) revealed. Then I needed to convert my array to int values, which I did thus:

$myissuearrayINT = array_map('intval', $myissuearray);

And now, when I do the following it works as expected:

wp_set_object_terms( $myID, $myissuearrayINT, 'my_issues', true );

Hope this helps someone else out there...

answered Feb 18, 2017 at 14:06

Stephen

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