<?
$url = "https://www.instagram.com/p/B5dKq-LiBOY/?__a=1";
$json = json_decode(file_get_contents($url));

$media = $json->graphql->shortcode_media;
$full_name = $media->owner->full_name;
$username = $media->owner->username;
$profil_resmi = $media->owner->profile_pic_url;
$aciklama=$media->edge_media_to_caption->edges[0]->node->text;