I got the following response output from curl request.
Array
(
[code] => 200
[message] => Message history obtained successfully.
[data] => Array
(
[0] => Array
(
[id] => 3390257
[aggregator_id] => 25
[user_id] => 184279092
[message_id] => 7784285
[ext_message_id] => 152127f68b2000031bf6584fa8494a7b
[send_date] => 2016-01-05 09:54:17
[dest_address] => 8476099160
[dest_country] => 1
[dest_type] => 1
[source_address] => 8
[source_country] => 1
[source_type] => 2
[message] => Heres how others are earning up to an extra $300/day simply by using their phone or working from home Click Here now: http://bit.ly/1PIiVZl
[transaction_id] =>
[message_status] => 14
[message_schedule_id] => 59335
[last_modified_date] => 2016-01-05 09:54:52
[last_modified_user_id] => 184279092
[keyword_id] => 1459
)
[1] => Array
(
[id] => 3390261
[aggregator_id] => 25
[user_id] => 184279092
[message_id] => 7784289
[ext_message_id] => 152127f6c36000171df5874efba398b4
[send_date] => 2016-01-05 09:54:17
[dest_address] => 6188892860
[dest_country] => 1
[dest_type] => 1
[source_address] => 8
[source_country] => 1
[source_type] => 2
[message] => Heres how others are earning up to an extra $300/day simply by using their phone or working from home Click Here now: http://bit.ly/1PIiVZl
[transaction_id] =>
[message_status] => 14
[message_schedule_id] => 59335
[last_modified_date] => 2016-01-05 09:54:52
[last_modified_user_id] => 184279092
[keyword_id] => 1459
)
[2] => Array
(
[id] => 3390265
[aggregator_id] => 25
[user_id] => 184279092
[message_id] => 7784293
[ext_message_id] => 152127f65dd000031bf6584fa84949af
[send_date] => 2016-01-05 09:54:17
[dest_address] => 2032415751
[dest_country] => 1
[dest_type] => 1
[source_address] => 8
[source_country] => 1
[source_type] => 2
[message] => Heres how others are earning up to an extra $300/day simply by using their phone or working from home Click Here now: http://bit.ly/1PIiVZl
[transaction_id] =>
[message_status] => 14
[message_schedule_id] => 59335
[last_modified_date] => 2016-01-05 09:54:52
[last_modified_user_id] => 184279092
[keyword_id] => 1459
)
[3] => Array
(
[id] => 3390270
[aggregator_id] => 25
[user_id] => 184279092
[message_id] => 7784298
[ext_message_id] => 152127f6a2a0001a8d8e4ef0eebbbe5d
[send_date] => 2016-01-05 09:54:17
[dest_address] => 3106193605
[dest_country] => 1
[dest_type] => 1
[source_address] => 8
[source_country] => 1
[source_type] => 2
[message] => Heres how others are earning up to an extra $300/day simply by using their phone or working from home Click Here now: http://bit.ly/1PIiVZl
[transaction_id] =>
[message_status] => 14
[message_schedule_id] => 59335
[last_modified_date] => 2016-01-05 09:54:52
[last_modified_user_id] => 184279092
[keyword_id] => 1459
)
)
)
Now I want to get the array value like $keyword_id = 1459
But I can't access the array.