Array
(
[0] => [{"type":"textarea","label":"Text Area","className":"form-control","name":"textarea-1519387047895","subtype":"textarea"},{"type":"text","label":"Text Field","className":"form-control","name":"text-1519387470117","subtype":"text"}]
[1] => [{"type":"text","label":"Text Field","className":"form-control","name":"text-1519387050946","subtype":"text"}]
)
I want to add value like this
Array
(
[0] => [{"type":"textarea","label":"Text Area","className":"form-control","name":"textarea-1519387047895","subtype":"textarea","arraykey":"0"},{"type":"text","label":"Text Field","className":"form-control","name":"text-1519387470117","subtype":"text","arraykey":"0"}]
[1] => [{"type":"text","label":"Text Field","className":"form-control","name":"text-1519387050946","subtype":"text","arraykey":"1"}]
)