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Formatting number fields using format_value

    • alissit

    • February 13, 2020 at 11:46 pm

    Was wondering if anyone could help.
    I’m formatting a lot of number fields on my site using the following code:

    add_filter('acf/format_value/name=property_latest_valuation', 'fix_number', 20, 3);
    function fix_number($value, $post_id, $field) {
      $value = number_format($value);
      return $value;

    Is there any way to use this handy bit of code to output a large number of number fields? Using an array? I’m not sure how to implement that in the code. I’m learning as I go along here.

    I’d format all the number fields, but there are a couple that don’t need the comma.

  • There are several alternatives

    If this was something I wanted to do on a large scale but did not want to have it run on all number fields I would add a custom setting to number fields

    Then I would create a format_value filter for all number fields that tested the new setting to see if the number should be formatted.

    Or, if there are only a few fields that should not be formatted then I would create the filter for all number fields like the one you have and I would check $field['key'] and not format those.

    Alternately, you could set up an array in your filter

    add_filter('acf/format_value/type=number', 'fix_number', 20, 3);
    function fix_number($value, $post_id, $field) {
      $keys = array(
        // list of field keys to format
        // etc...
      if (in_array($field['key'], $keys)) {
        $value = number_format($value);
      return $value;
    • alissit

    • February 14, 2020 at 5:27 am

    Perfect, thank you so much.
    I’ll try out your suggestions and go from there.

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