I know this is an ancient thread, but I’m having exactly the same issues as pimschaaf, which is why I’m posting here. I’ve created a custom rule value named ‘Image’, and am trying to get it to match specifically for display/hiding purposes when editing a post with an image attachment. Absolutely nothing I’ve done so far has worked.
add_filter( 'acf/location/rule_values/ef_media', 'acf_location_rule_values_ef_media' );
add_filter( 'acf/location/rule_match/ef_media', 'acf_location_rule_match_ef_media', 10, 3 );
function acf_location_rule_values_ef_media ( $choices ) {
$choices['image'] = 'Image';
return $choices;
}
function acf_location_rule_match_ef_media ( $match, $rule, $options ) {
$id = get_the_ID();
if ( $rule['param'] = 'post_type' && $rule['value'] = 'attachment' ) {
if( $rule['operator'] === "==" ) {
$match = wp_attachment_is_image( $id );
} elseif ( $rule['operator'] === "!=" ) {
$match = !wp_attachment_is_image( $id );
}
} else {
$match = false;
}
return $match;
}
Has this issue really not been resolved?
