Json complejo

[chinoloco]

Hola amigos,

necesito recorrer un json un poco complejo;

Código PHP:

  "response": {
    "result": {
        "Cases": {
            "row": [{
                    "fl": [{
                        "content": "35673000003060653",
                        "val": "CASEID"
                    }, {
                        "content": "/ShowHomePage.do#Cases/dv/32d4cc22db11cee00850e808c07f377d0b498ee34174141d",
                        "val": "URI"
                    }, {
                        "content": "35673000000006907",
                        "val": "DEP_ID"
                    }, {
                        "content": "INFORMACION",
                        "val": "Department"
                    }, {
                        "content": "35673000003060651",
                        "val": "CONTACTID"
                    }, {
                        "content": "noemi_romanal",
                        "val": "Contact Name"
                    }, {
                        "content": "[email protected]",
                        "val": "Email"
                    }, {
                        "content": "null",
                        "val": "Phone"
                    }, {
                        "content": "Factura",
                        "val": "Subject"
                    }, {
                        "content": "50654",
                        "val": "Request Id"
                    }, {
                        "content": "null",
                        "val": "Due Date"
                    }],
                    "no": "1"
                }, {
                    "fl": [{
                        "content": "35673000003059473",
                        "val": "CASEID"
                    }, {
                        "content": "/ShowHomePage.do#Cases/dv/32d4cc22db11cee078e096de029016150b498ee34174141d",
                        "val": "URI"
                    }, {
                        "content": "35673000000006907",
                        "val": "DEP_ID"
                    }, {
                        "content": "INFORMACION",
                        "val": "Department"
                    }, {
                        "content": "35673000000040001",
                        "val": "CONTACTID"
                    }, {
                        "content": " (tarea interna)",
                        "val": "Contact Name"
                    }, {
                        "content": "[email protected]",
                        "val": "Email"
                    }, {
                        "content": "null",
                        "val": "Phone"
                    }, {
                        "content": "Información",
                        "val": "Subject"
                    }, {
                        "content": "50639",
                        "val": "Request Id"
                    }, {
                        "content": "null",
                        "val": "Due Date"
                    }],
                    "no": "2"
                }, {
                    "fl": [{
                        "content": "35673000003059273",
                        "val": "CASEID"
                    }, {
                        "content": "/ShowHomePage.do#Cases/dv/32d4cc22db11cee0e63e129be536fa8d0b498ee34174141d",
                        "val": "URI"
                    }, {
                        "content": "35673000000006907",
                        "val": "DEP_ID"
                    }, {
                        "content": "INFORMACION",
                        "val": "Department"
                    }, {
                        "content": "35673000002690007",
                        "val": "CONTACTID"
                    }, {
                        "content": "clientes",
                        "val": "Contact Name"
                    }, {
                        "content": "[email protected]",
                        "val": "Email"
                    }, {
                        "content": "null",
                        "val": "Phone"
                    }, {
                        "content": "Pago factura ",
                        "val": "Subject"
                    }, {
                        "content": "50626",
                        "val": "Request Id"
                    }, {
                        "content": "null",
                        "val": "Due Date"
                    }],
                    "no": "3"
                }, {
                    "fl": [{
                        "content": "35673000001787167",
                        "val": "CASEID"
                    }, {
                        "content": "/ShowHomePage.do#Cases/dv/32d4cc22db11cee06a745a75da0b8996f3148ec5bcd90913",
                        "val": "URI"
                    }, {
                        "content": "35673000000006907",
                        "val": "DEP_ID"
                    }, {
                        "content": "INFORMACION",
                        "val": "Department"
                    }, {
                        "content": "35673000001787165",
                        "val": "CONTACTID"
                    }, {
                        "content": "FELIX ",
                        "val": "Contact Name"
                    }, {
                        "content": "[email protected]",
                        "val": "Email"
                    }, {
                        "content": "null",
                        "val": "Phone"
                    }, {
                        "content": "Lectura errónea",
                        "val": "Subject"
                    }, {
                        "content": "26352",
                        "val": "Request Id"
                    }, {
                        "content": "null",
                        "val": "Due Date"
                    }],
                    "no": "4"
                }
 
            ],
            "no": "20"
        }
        ]
}
},
"uri": "/api/json/requests/getrecords"
}
} 
   

El json es un poco grande perola estructura es todo asi, como podría recorrerlo con php?,

gracias de antemano