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| /** | |
| * This function allows to search a especific key in a complex object | |
| * @author [email protected] | |
| * @param (Object) o: Object in which you look for the key | |
| * @param (string) key: Name of key you're looking for | |
| * @return (mixed) $r: Return object or value related with key name, | |
| * instead if key were not found it return undefined | |
| */ | |
| function hasKey(o, key) { |