ACF validate image size with ACF5

  • Resolved Arnaud sprimont

    (@arnaud-sprimont)


    10 years, 2 months ago

    Hello,
    First of all, thanks a lot for this greate plug !!!!

    Do you have a tips for me, i try to use ” validate_value “with this code but not working

    with ACF image field is ok but not with ACF image crop ?

    /*————————–*
    /* ACF validate image size for field
    /*————————–*/

    add_filter(‘acf/validate_value/name=poster_of_event’, ‘my_acf_validate_value’, 10, 4);

    function my_acf_validate_value( $valid, $value, $field, $input ){

    // bail early if value is already invalid
    if( !$valid ) {

    return $valid;

    }

    // load image data

    $data = wp_get_attachment_image_src( $value, ‘full’ );
    $width = $data[1];
    $height = $data[2];

    if( $data < 300) {

    $valid = ‘Image must be at least W :300px & H :300px’;

    }

    // return
    return $valid;

    }

    https://www.ads-software.com/plugins/acf-image-crop-add-on/

Viewing 1 replies (of 1 total)
  • Plugin Author andersthorborg

    (@andersthorborg)

    Hi there,

    I know it’s been a long time, but in case someone else are dealing with this issue here goes:

    The $value of the image crop field is more complex than that of a regular image field. The regular image field stores only the ID of the media attachment. The crop field stores both the cropped image and the original image. It is stored as a JSON-array like this:

    {
  "original_image": "10",
  "cropped_image": "11"
}

    Thus in your case, you would need to extract the data from the $value-variable using json_decode, and then retrieve the ID from the array:

    // Decode the value into an array
$value = json_decode($value);

// Retrieve the cropped image ID
$value = $value['cropped_image'];

// Then do what you were doing
$data = wp_get_attachment_image_src( $value, 'full' );

    There is one more issue that could complicate this further, which is the option to not save the image in the media library which results the cropped_image key being a URL instead of an ID. If you’re using the standard settings however, the above should be sufficient.

    Best, Anders

Viewing 1 replies (of 1 total)
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