下载文件：
$ch = curl_init($musicPathUrl); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1); $dataMp3 = curl_exec($ch); $fp = fopen($musicPath, ‘w‘); fwrite($fp, $dataMp3); fclose($fp); curl_close($ch);
删除文件：
unlink($musicPath);
原文：https://www.cnblogs.com/two-bees/p/12956102.html