Use PHP to download the image code in the CSS file

The image in the CSS file has never known how to download before, but now it can be implemented simply using php. The details are as follows, if you are interested, you can refer to sharing a piece of code for downloading images in CSS files using PHP.
The code is as follows:
// Note: Set the PHP timeout.
Set_time_limit (0 );

// Note: get the style file content
$ StyleFileContent = file_get_contents ('images/style.css ');

// The note matches the URL to be downloaded.
Preg_match_all ("/url \ (. *) \)/", $ styleFileContent, $ imagesURLArray );

// Download the addresses to be downloaded in the note loop one by one
$ ImagesURLArray = array_unique ($ imagesURLArray [1]);
Foreach ($ imagesURLArray as $ imagesURL ){
File_put_contents (basename ($ imagesURL), file_get_contents ($ imagesURL ));
}
?>