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【PHP】PHP多维数组转一维数组 function multi2array($array) { static $result_array = array(); foreach ($array as $key => $value) { if (is_array($value)) { multi2array($value); } else{ $result_array[] = $value; } } return $result_array; } function _arr($array,$return=[]){ array_walk_recursive($array,function($value)use(&$return){$return[]=$value;}); return $return; } -
【PHP】使用PHP根据用户的IP地址获取地址信息 /** * @Author:小破孩 * @Time: 2020/7/15 15:17 * @Description:用户登录记录 */ 'bd_ak' => 'yr0Rm***************24HruOyGE', //百度地图的ak function get_client_city(){ $ip = get_client_ip(); //调用上面的函数进行获取IP地址 $ak = Config('app.bd_ak'); ///申请的ak $url = file_get_contents("http://api.map.baidu.com/location/ip?ip=$ip&ak=$ak"); //调用百度地图开放接口 $res = json_decode($url,true); //数据处理 $data['login_ip'] = $ip; //ip $data['login_xy'] = $res['content']['point']['x'].','.$res['content']['point']['y'];//坐标 $data['login_province'] = $res['content']['address_detail']['province']; //省 $data['login_city'] = $res['content']['address_detail']['city']; //市 $data['login_district'] = $res['content']['address_detail']['district'];//区 $data['login_street'] = $res['content']['address_detail']['street']; //街 $data['login_street_number'] = $res['content']['address_detail']['street_number']; //街道编号 $data['login_city_code'] = $res['content']['address_detail']['city_code']; //城市编号 $data['login_create_time'] = time(); //入库 Db::name('login_log')->insert($data); } //表 CREATE TABLE `login_log` ( `login_id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '用户登录记录主键', `login_user_number` bigint(20) NOT NULL COMMENT '用户编号', `login_ip` varchar(40) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '用户登录的ip', `login_xy` varchar(60) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '登录的坐标点', `login_province` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '登录省', `login_city` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '登录城市', `login_district` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '区', `login_street` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '街', `login_street_number` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '街道编号', `login_city_code` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '城市编号', `login_type` tinyint(1) NOT NULL DEFAULT '0' COMMENT '用户登录类型 0平台用户，1前台用户', `login_create_time` bigint(20) NOT NULL COMMENT '创建时间', PRIMARY KEY (`login_id`,`login_user_number`), KEY `login_create_time` (`login_create_time`) COMMENT '时间索引 搜索', KEY `login_type` (`login_type`) COMMENT '类型' ) ENGINE=MyISAM AUTO_INCREMENT=163 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='用户登录记录';
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【PHP】PHP获取服务器状态 <?php function get_server_status() { $fp = popen('top -b -n 2 | grep -E "^(Cpu|Mem|Tasks)"', "r");//获取某一时刻系统cpu和内存使用情况 $rs = ""; while (!feof($fp)) { $rs .= fread($fp, 1024); } pclose($fp); $sys_info = explode("\n", $rs); $tast_info = explode(",", $sys_info[3]);//进程 数组 $cpu_info = explode(",", $sys_info[4]); //CPU占有量 数组 $mem_info = explode(",", $sys_info[5]); //内存占有量 数组 //正在运行的进程数 $tast_running = trim(trim($tast_info[1], 'running')); //CPU占有量 $cpu_usage = trim(trim($cpu_info[0], 'Cpu(s): '), '%us'); //百分比 //内存占有量 $mem_total = trim(trim($mem_info[0], 'Mem: '), 'k total'); $mem_used = trim($mem_info[1], 'k used'); $mem_usage = round(100 * intval($mem_used) / intval($mem_total), 2); //百分比 /*硬盘使用率 begin*/ $fp = popen('df -lh | grep -E "^(/)"', "r"); $rs = fread($fp, 1024); pclose($fp); $rs = preg_replace("/\s{2,}/", ' ', $rs); //把多个空格换成 “_” $hd = explode(" ", $rs); $hd_avail = trim($hd[3], 'G'); //磁盘可用空间大小 单位G $hd_usage = trim($hd[4], '%'); //挂载点 百分比 /*硬盘使用率 end*/ //检测时间 $fp = popen("date +\"%Y-%m-%d %H:%M\"", "r"); $rs = fread($fp, 1024); pclose($fp); $detection_time = trim($rs); $result = [ 'cpu_usage' => $cpu_usage, 'mem_usage' => $mem_usage, 'hd_avail' => $hd_avail, 'hd_usage' => $hd_usage, 'tast_running' => $tast_running, 'detection_time' => $detection_time ]; return $result; }
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【PHP】PHP获取网页里的所有图片 <?php $new_url = []; $url="网页地址"; //file_get_contents() 函数把整个文件读入一个字符串中 $string=file_get_contents($url); //preg_match_all函数进行全局正则表达式匹配。 preg_match_all("/<img[^>]*>/i", $string,$matches); //去除数组中重复的值 $new_arr=array_unique($matches[0]); foreach($new_arr as $key){ //查找img标签内的src内容 preg_match_all('/<img.*?src="(.*?)".*?>/is',$key,$match); //根据网页图片后缀可以灵活修改 $one = str_replace('?v1', '', $match[1][0]); //插入数组 array_push($new_url,$url.$one); } //下载并保存图片 function download($downurl, $path = 'images/'){ $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $downurl); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); $file = curl_exec($ch); curl_close($ch); $filename = pathinfo($downurl, PATHINFO_BASENAME); $resource = fopen($path . $filename, 'a'); fwrite($resource, $file); fclose($resource); } //循环下载 foreach ( $new_url as $url ) { download($url); } ?>
