I have the following array
$data = array('key1'=>'val1',
'key2'=>'val2',
'key3'=>'val3'
);
I would like to add to the array.
$moreval = array('key4'=>'val4');
You can use array_merge for this.
$data=array_merge($data, array('key4'=>'val4'));
If this wasn't associative, you could use array_push.