$key) {
$value = $_POST['meta_location_rule_value'][$i];
$choices[$key." : ".$value] = "";
}
}
// whichever rules we previously had for this field group, are also valid of
// course
foreach(get_post_meta(get_the_ID(), 'rule') ? : array() as $rule) {
if ($rule['param'] !== 'meta_field') continue;
$choices[$rule['value']] = '';
}
return $choices;
});
/**
* When trying to find out whether this rule applies in the current scope.
*/
add_filter('acf/location/rule_match/meta_field', function($match, $rules, $post) {
$compareOperaor = $rules['operator'];
$compareKeyValue = $rules['value'];
list($compareKey,$compareValue) = explode(" : ", $compareKeyValue, 2);
// also add the fields to look for, to the header
global $ACF_META_LOCATION_RULE_FIELDS;
if (!isset($ACF_META_LOCATION_RULE_FIELDS)) $ACF_META_LOCATION_RULE_FIELDS = array();
$ACF_META_LOCATION_RULE_FIELDS[] = $compareKey;
// fetch from db
$postValue = get_post_meta($post['post_id'], $compareKey, true);
// if from ajax, use the actual value from the form, instead of the
// maybe-outdated db version
if (isset($_POST['meta_location_rules']) && isset($_POST['meta_location_rules'][$compareKey])) {
$postValue = $_POST['meta_location_rules'][$compareKey];
}
switch($compareOperaor) {
case '==':
if ($postValue === $compareValue) $match = true;
break;
case '!=':
if ($postValue !== $compareValue) $match = true;
break;
}
return $match;
}, 10, 3);