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• in reply to: Creating WP query with meta_query on array
• April 19, 2024 at 5:05 pm

Hello!

I got exactly the same problem while user “in” operator in meta_query with an array.

After 2 hours of research I found the solution!

The key “value” as to be “values” (with a S at the end) and the operator “IN” is going to work.

WORK:

'meta_query' => array(
            'relation' => 'AND',
            array(
                'key' => 'centers',
                'values' => $centres,
                'compare' => 'in',
            )
        )

DOESN’T WORK

'meta_query' => array(
            'relation' => 'AND',
            array(
                'key' => 'centers',
                'value' => $centres,
                'compare' => 'in',
            )
        )