vkgroup_interaction.php

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<?php

ini_set('max_execution_time', 0);

// Group domain here. Example: "elengar" from https://vk.com/elengar
$GROUP1 = "";
$GROUP2 = "";



function vk_request($str) {
	return file_get_contents($str . "&v=5.34");
}



function getID($name) {
	$res = vk_request("http://api.vk.com/method/utils.resolveScreenName?screen_name=$name");
	return json_decode($res)->response->object_id;
}

function getMembers($group_id, $offset, $count) {
	$res = vk_request("http://api.vk.com/method/groups.getMembers?group_id=$group_id&offset=$offset&count=$count");
	return json_decode($res)->response;
}

function getUsersInfo($user_ids, $fields) {
	$res = vk_request( "http://api.vk.com/method/users.get?user_ids=$user_ids" 
	                         . (($fields && $fields != "") ? "&fields=$fields" : "") );
	return json_decode($res)->response;
}

function getUserSubs($user_id, $offset, $count) {
	$res = vk_request("http://api.vk.com/method/users.getSubscriptions?user_id=$user_id&offset=$offset&count=$count&extended=1");
	return json_decode($res)->response;
}



function getAllMembers($object_id) {
	$getAllMembers = array();

	$offset = 0;
	$count = 1000;

	$membersNumber = 0;
	do {
		$res = getMembers($object_id, $offset, $count);

		$membersNumber = $res->count;
		$getAllMembers = array_merge($getAllMembers, $res->items);

		$offset += $count;
	} while ( $offset < $membersNumber );

	return $getAllMembers;
}


function getSubsCount($user_id) {
	$res = getUserSubs($user_id, 0, 0);

	return $res->count;
}



function utf8_len($str) {
	return mb_strlen($str, "UTF-8");
}


function my_str_pad($str, $len, $pad_substr) {
	$str_len = utf8_len($str);
	for ($i = $str_len; $i < $len; $i++ ) {
		$str = $str . $pad_substr;
	}
	return $str;
}

function main() {
	global $GROUP1, $GROUP2;

	echo("-- $GROUP1 WITH $GROUP2");
	echo("<br>");

	$members1 = getAllMembers(getID($GROUP1));
	$members2 = getAllMembers(getID($GROUP2));

	$total = array_intersect($members1, $members2);

	if (sizeof($total) == 0) {
		echo "NO INTERACTION";
		return;
	}

	$usersInfo = getUsersInfo(implode(",", $total), "domain");

	$output_array = array();
	$output_offsets = array();

	foreach ($usersInfo as $user) {
		$data = array();

		$domain = ($user->domain ? $user->domain : "id".$user->id);
		$link = "https://vk.com/" . $domain;

		$data[] = "$user->first_name $user->last_name";
		$data[] = "$link";

		$subsCount = getSubsCount($user->id);
		$data[] = "| $subsCount";


		foreach ($data as $i => $el) {
			if (!$output_offsets[$i] || ($output_offsets[$i] < utf8_len($el))) {
				$output_offsets[$i] = utf8_len($el);
			}
		}

		$output_array[] = $data;
	}

	foreach ($output_array as $data) {
		foreach ($data as $i => $el) {
			$tabstr = my_str_pad("", $output_offsets[$i] - utf8_len($el), "&nbsp;");
			if (strpos($el, "http") !== false) {
				$el = "<a href='$el'>$el</a>";
			}
			echo($el . $tabstr . " ");
		}

		echo("<br>");
	}

}


main();


?>

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