You can query INFORMATION_SCHEMA
and achieve the same:
function getEnumValues($table, $field)
{
global $wpdb;
$result = $wpdb->get_row("SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = '" . DB_NAME . "' AND TABLE_NAME = '" . $table . "' AND COLUMN_NAME LIKE '" . $field . "'");
if($result === FALSE) {
die($wpdb->last_error);
}
// this is the column name
$result->COLUMN_NAME;
}
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