Online PHP editor | output for GCUP2

<?php $_POST['sSupplier'] = '["sk렌터카_중장기","sk렌터카","sk렌터카_중고차렌트","sk렌터카_중기"]'; print_r([0=>str_contains($_POST['sSupplier'], 'sk렌터카')]); $sSupplier = isset($_POST['sSupplier']) ? json_decode($_POST['sSupplier'], true) : null; print_r([1=>is_null($sSupplier)]); print_r([2=>!in_array('sk렌터카', $sSupplier)]); print_r([3=>in_array('sk렌터카', ['sk렌터카_asdfasf', 'sk렌터카_alksdjfiooiwejiowej12'])]); if(is_null($sSupplier) || !in_array('sk렌터카', $sSupplier)) { $data[] = [ "name" => "ad_list_sk_company", "image" => "/Feeds/48/803_cca07723db.png", "url" => "product?sSupplier=sk렌터카_중장기%2Csk렌터카%2Csk렌터카_중고차렌트%2Csk렌터카_중기", "title" => "SK다이렉트", "subTitle" => "SK다이렉트 보러가기" ]; } $os = array("Mac", "NT", "irix", "Linux"); if (in_array("Irix", $os)) { echo "Got Irix"; } if (in_array("mac", $os)) { echo "Got mac"; }