th1s

$json = '...';
$data = json_decode($json, true);
$comment = 77098646;
$results = array_filter($data['data'], function ($item) use ( $comment ) {
    return $item['comment'] == $comment;
});
$status = $results ? 1 : 0;

location /phpmyadmin {
    allow	        	айпи;
    deny	        	all;
}