I have a field called extra_fields in a table......and its content is

[{"id":"2","value":"1"},{"id":"1","value":"1"},{"id":"3","value":""},{"id":"4","value":""},{"id":"5","value":""},{"id":"6","value":"<br \/>"},{"id":"7","value":"<br \/>"},{"id":"8","value":"<br \/>"},{"id":"9","value":"<br \/>"},{"id":"10","value":"1"}]

Now i want to check with if condition that if have value 1 or 0 with id :10.....
I just dont know how to access that....