API предлагаемых новостей в сообществе, почему не работает?

<?php

$group_id = "102632763"; // ид группы

include dirname(__FILE__).'/cron/word_list.php';

$wallGet = api("/cron/wall.get",true,array(
	"owner_id"=>"-".$group_id,
	"filter"=>"suggests",
	"count"=>1,
));
//print_r($wallGet);

$items = $wallGet["response"]["items"];
for($i=0;$i<count($items);$i++){
	$item = $items[$i];
	$for_posting = false;
	$ch = check_spam($item["text"]);
	if($ch){
		echo "for del[ch]..\r\n";
		$posts_for_del[] = $item;
	}else{
		echo "not for del[ch]..\r\n";
		if($item["attachments"]){
			$photo_c = 0;
			$attach_err = false;
			for($x=0;$x<count($item["attachments"]);$x++){
				if($item["attachments"][$x]["type"] == "photo"){
					$photo_c++;
				}
				elseif($item["attachments"][$x]["type"] != "photo") $attach_err = true;
			}
			if($photo_c > $count_photo || $attach_err){
				$posts_for_del[] = $item;
			}else{
				$for_posting = true;
			}
		}else $for_posting = true;
		if($for_posting){
			# постинг с таймером
			echo "posting..\r\n";
			$publish_date = time() + $time_for_posting;
			$wallPost = api("wall.post",true,array(
				"owner_id"=>"-".$group_id,
				"post_id"=>$item["id"],
				"signed"=>1,
				"publish_date"=>$publish_date,
			));
			print_r($wallPost);
			break;
			# / постинг с таймером
		}
	}
}

print_r("posts_for_del: ".count($posts_for_del));

for($i=0;$i<count($posts_for_del);$i++){
	$wallDel = api("wall.delete",true,array(
		"owner_id"=>"-".$group_id,
		"post_id"=>$posts_for_del[$i]["id"],
	));
	print_r($wallDel);
	sleep(1);
}


function check_spam($text){
	global $spam_word;
	echo "\r\ncheck link..\r\n";
	$text = mb_strtolower(trim(strtolower($text)), "UTF-8");
	//if (preg_match("/(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?/i", $text, $tt)) return true;
	if (preg_match("/(([\w\.\-\+]+:)\/{2}(([\w\d\.]+):([\w\d\.]+))?@?(([a-zA-Z0-9\.\-_]+)(?::(\d{1,5}))?))?(\/(?:[a-zA-Z0-9\.\-\/\+\%]+)?)(?:\?([a-zA-Z0-9=%\-_\.\*&;]+))?(?:#([a-zA-Z0-9\-=,&%;\/\\\"'\?]+)?)?/i", $text)) return true;
	else{
		$text = strtr($text, array("!" => "","&" => "","?" => "","." => "","/" => ""));
		//echo $text."\r\n";
		echo "check spaming..\r\n";
		$spamtext = implode("|",$spam_word);
		if(preg_match("/".$spamtext."/", $text,$tt)){
			print_r($tt);
			return true;
		}
		else return false;
	}
}
function random($text){
	$random = mt_rand(0,count($text)-1); 
	return $text[$random];
}
function api($method, $token, $post = null) {
	global $access_token;
	if(!$post["v"]) $post["v"] = "5.45";
	if($token) $method .= "?access_token=".$access_token;
	$url = "https://api.vk.com/method/".$method;
	do{
		$while = false;
		$return = json_decode(curl($url, $post), true);
		if($return["error"]["error_code"] == 6){
			sleep(1);
			$while = true;
		}
	}while($while);
	return $return;
}
function curl($url, $post = null){
	$ch = curl_init($url);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.3) Gecko/2008092417
	Firefox/3.0.3');
	if($post){
		curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
	}
	curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false );
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false );
	$response = curl_exec($ch);
	curl_close($ch);
	return $response;
}
?>

<?
$access_token = "мой токен"; // токен
$count_photo = ; // кол-во фотографий для допуска к постингу
$time_for_posting = ; // время для отложки

$spam_word = array(
"подпишись",
"вступи",
);
?>