- array_merge_recursive: documentation ( source)
- print_r: documentation ( source)
<?php
$array1 = array
(
'4' => array
(
'banner_id' => '4',
'viewsCount' => '33',
'date' => '2015-06-19'
)
);
$array2 = array
(
'4' => array
(
'banner_id' => '4',
'clicksCount' => '5',
'date' => '2015-06-19'
)
);
print_r (array_merge_recursive($array1, $array2));