function extract_pieces($text)
{
	$pos = stripos($text, '<span class="amount-projektor">'); // kontener keresese
	if ($pos !== false)
	{
		$pos += 31; // poziciovaltozot a kontener vegere
		$posb = stripos($text, 'Brak', $pos); // hianycikk-e
		if ($posb !== false)
		{
			return 0; // hianycikk
		}
		$poss = stripos($text, 'szt.', $pos); // "db" keresese
		if ($poss !== false)
		{
			return (int)preg_replace
			(
				"/[^0-9]/", // a nem numerikus karaktereket
				"", // kitakaritjuk 
				substr($text, $pos, $poss - $pos) // a kontener es a "db" kozotti szovegbol
			);
		}
	}
	return false;
}

<?php

// ide a fenti fuggveny

ini_set('display_errors',1);
ini_set('display_startup_errors',1);
error_reporting(E_ALL);
$conn = mysqli_connect("localhost","szopjkecsket","fasz","buziwinfos");
if($conn){
	$termekek = array(3074,3076,3077,3087,3116,3123,3127,3155,3160,3163,3170,3171,3172,3180,3179,3183,3185,3187,3189,3194,3195,3205,3218,3223,3233,3240,3239,3349,3248,3272,3273,3275,3294,3296,3293,3303,3313,3314,3312,3315,3326,3328,3327,3333,3335,3334,3342,3341,3348,3349,3347)
	$termekmenny = count($termekek);
	for ($i = 0; $i < $termekmenny; ++$i)
	{
		$termek = $termekek[$i];
		$storage = extract_pieces(get_file_contents("urlabeszallitohoz" . $termek)); // ez nem 'file_get_contents()' veletlenul?
		if ($storage === false)
		{
			echo "nem letezik";
			$result = mysqli_query($conn, "UPDATE `wp7k_wc_product_meta_lookup` SET `min_price` = '0' WHERE `wp7k_wc_product_meta_lookup`.`product_id` = $termek;");
		}
		else if ($storage == 0)
		{
			$result = mysqli_query($conn, "UPDATE `wp7k_wc_product_meta_lookup` SET `stock_status` = 'outofstock' WHERE `wp7k_wc_product_meta_lookup`.`product_id` = $termek;"); // egy 'SET `stock_quantity`=0' nem kene ebbe a lekeresbe?
		}
		else
		{
			$result = mysqli_query($conn, "UPDATE `wp7k_wc_product_meta_lookup` SET `stock_quantity` = '$storage' WHERE `wp7k_wc_product_meta_lookup`.`product_id` = $termek;");
		}
		echo ($result ? "siker" : mysqli_error($conn)); // egyebkent ez a 'siker'/error csak akkor jelent volna meg, ha van darabszam, mert a masik ket agban nem kezdtel semmit a $result-tal
		sleep(5);
	}
}