php 执行耗时任务 后台执行

// 你要跳转的url$url = "http://www.baidu.com/"; // 如果使用的是php-fpmif(function_exists(‘fastcgi_finish_request‘)){ ???header("Location: $url"); ???ob_flush(); ???flush(); ???fastcgi_finish_request();// Apache ?}else{ ???header( ‘Content-type: text/html; charset=utf-8‘ ); ???if(function_exists(‘apache_setenv‘))apache_setenv(‘no-gzip‘, ‘1‘); ???ini_set(‘zlib.output_compression‘, 0); ???ini_set(‘implicit_flush‘, 1); ???echo "<script>location=‘$url‘</script>"; ???ob_flush(); ???flush();} ????// 这里是模拟你的耗时逻辑 ???sleep(33);