array:3 [
0 => {
"applied_date": "10-10"
"count": 1
}
1 => {
"applied_date": "10-14"
"count": 1
}
2 => {
"applied_date": "10-15"
"count": 1
}
]

<?php
// Array representing a possible record set returned from a database
$records = array(
    array(
        "applied_date"=> "10-10",
        "count"=> 1
    ),
    array(
        "applied_date"=> "10-10",
        "count"=> 1
    ),
    array(
        "applied_date"=> "10-10",
        "count"=> 1
    )
);

$applied_date = array_column($records, 'applied_date');
$count = array_column($records, 'count');
print_r($applied_date);
print_r($count);


?>

$applied_dates_arr = [];
$count_arr = []

foreach ($counts as $el) {
    $applied_dates_arr[] = $el['applied_date'];
    $count_arr[] = $el['count'];
}