Parse Json

Hej

Jeg er lidt rusten i at få parset denne JSON i php:
Jeg skal have fat i "created_date"?
alt hjælp og ledetråde er meget velkommne. på forhånd tak..

{
    "version": "3.0",
    "account_id": 1,
    "host_id": "XXXXXXX",
    "name": "TEST",
    "locale": {
        "id": "en_PH",
        "lang": "en",
        "currency": "PHP"
    },
    "request": {
        "status": "OK",
        "resource": "booking",
        "records": 100,
        "total_records": 724,
        "limit": 100,
        "page": 1,
        "pages": 7,
        "time": 0.009,
        "method": "get"
    },
    "debug": [
        "select b.booking_id, b.code code, b.status_id, s.name status_name, created_date, money_format(b.total) total, money_format(b.tax_total) tax_total, money_format(b.paid_total) paid_total, customer_id, b.customer_name, customer_email, summary, date_desc, b.token from booking b, status s  where b.status_id != 'PRE' and b.status_id = s.status_id order by b.booking_id asc limit 100"
    ],
    "booking/index": {
        "2": {
            "booking_id": 2,
            "code": "RQQK-110112",
            "status_id": "PAID",
            "status_name": "Paid",
            "created_date": 1326274882,
            "total": "3000.00",
            "tax_total": "0.00",
            "paid_total": "3000.00",
            "customer_id": 1,
            "customer_name": "xx",
            "customer_email": "",
            "summary": "Aircon ",
            "date_desc": "Wed Jan 11 - Fri Jan 13, 2012",
            "token": "f80ca53db4282a89a987a853e6151eaffe61c325"
        },
        "3": {
            "booking_id": 3,
            "code": "DGZP-110112",
            "status_id": "PAID",
            "status_name": "Paid",
            "created_date": 1326275117,
            "total": "3000.00",
            "tax_total": "0.00",
            "paid_total": "3000.00",
            "customer_id": 2,
            "customer_name": "xx"
            "customer_email": "",
            "summary": "Aircon ",
            "date_desc": "Sun Jan 22 - Mon Jan 23, 2012",
            "token": "12416b02ead25f3cb99a288448f6b6c80b0440b3"
        }
}
}