Code to download images in CSS files using PHP_PHP tutorial

//note Set PHP timeout
set_time_limit(0);

//note Get style file content
$styleFileContent = file_get_contents('images/style.css');

//note Match the URL address that needs to be downloaded
preg_match_all("/url((.*))/", $styleFileContent, $imagesURLArray);

//note Loop the address that needs to be downloaded , download one by one
$imagesURLArray = array_unique($imagesURLArray[1]);
foreach ($imagesURLArray as $imagesURL) {
file_put_contents(basename($imagesURL), file_get_contents($imagesURL));
}
?>