convert JSON string to Array

Here I an showing convert JSON string to php Array 1. I have taken php Variable, I have assign JSON in that php Variable 2. Here is My JSON Array $jsonArray = ‘{“person_id”:”BC21903E-9D4B-40E9-9DAD-00038273508F”, “last_seen_by”:”8A40E73A-8228-4225-B980-A84D7148925A”, “last_name”:”Last 175759″, “first_name”:”First 175759″, “date_of_birth”:”19710222″, “zip”:”190133306″, “sex”:”F”, “race”:null, “other_id_number”:”NEW502828″, “language”:”English”, “religion”:null, “ethnicity”:”Black Or African American”, “last_appt_date”:”20120726″, “allergies”:[], “diagnoses”:[{ “person_id”:”BC21903E-9D4B-40E9-9DAD-00038273508F”, “provider_id”:”88E6E79C-9627-48C0-A2A2-9C1570396F5B”, “enterprise_id”:”1″, […]