- array_merge_recursive: documentation ( source)
- print_r: documentation ( source)
<?php
$array1 = [
[ 'id' => 12345 ],
[ 'date_entered' => 'today' ]
];
$array2 = [
['id' => NULL],
[ 'date entered' => 'yesterday' ]
];
$result = array();
foreach($array1 as $key => $value){
$result = array_merge_recursive($array1[0],$array2[0]);
}
print_r($result);
?>