<?php
$printarea;
require_once "connectdb.php";

$myArrays = array(
    "РТ-00002266" => "6",
    "РТ-00003236" => "2",
    "РТ-00002193" => "4"
);


if ($stmt = $mysqli->query("SELECT * FROM pricelist ORDER BY art" )) {
    foreach ($myArrays as $key => $value) {
        $idArray = $key;
        $countArray = (int)$value;

        $printarea .= $idArray . " " . $countArray . "</br>";

        while($row = $stmt->fetch_assoc()){
            $id = $row['id'];
            $name = $row['name'];
            $price = $row['price'];
            if (strcasecmp($id, $idArray) == 0) {
                for ($i = 0; $i < $countArray; $i++) {
                    $printarea .= "match" . "</br>";
                }
            }
        }
    }
}

echo $printarea;
