PHP – 第 3 页 – 学习日志

对 Laravel 5.5 和 ThinkPHP 5.0.20 进行了 ab 压力测试

8月 30, 201810月 16, 2018 学习笔记

是不是我配置有问题？

Laravel 5.5 输出 echo 'hello world'

Server Software:        nginx/1.11.5
Server Hostname:        laravel55.a.cc
Server Port:            80

Document Path:          /
Document Length:        11 bytes

Concurrency Level:      10
Time taken for tests:   36.029 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      101442 bytes
HTML transferred:       1100 bytes
Requests per second:    2.78 [#/sec] (mean)
Time per request:       3602.922 [ms] (mean)
Time per request:       360.292 [ms] (mean, across all concurrent requests)
Transfer rate:          2.75 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.4      0       1
Processing:   348 3458 724.6   3592    4386
Waiting:      348 3457 724.6   3592    4386
Total:        349 3458 724.6   3592    4386

ThinkPHP 5.0.20 输出 echo 'hello world'

Server Software:        nginx/1.11.5
Server Hostname:        thinkphp50.a.cc
Server Port:            80

Document Path:          /
Document Length:        11 bytes

Concurrency Level:      10
Time taken for tests:   4.198 seconds
Complete requests:      100
Failed requests:        9
   (Connect: 0, Receive: 0, Length: 9, Exceptions: 0)
Non-2xx responses:      9
Total transferred:      20852 bytes
HTML transferred:       2558 bytes
Requests per second:    23.82 [#/sec] (mean)
Time per request:       419.839 [ms] (mean)
Time per request:       41.984 [ms] (mean, across all concurrent requests)
Transfer rate:          4.85 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.5      0       1
Processing:    64  401 123.5    401     604
Waiting:       64  401 123.6    401     604
Total:         64  402 123.5    402     604

电脑配置

使用 Apache 的 ab 工具进行 PHP WordPress 的压力测试

8月 30, 201810月 16, 2018 学习笔记

使用 Apache 的 ab 工具测试了下几个网站的并发

本机配置

本地测试 echo 'hello world'

./ab -c10 -n1000 http://localhost/helloworld.php

Server Software:        nginx/1.11.5
Server Hostname:        wp.a.cc
Server Port:            80

Document Path:          /helloworld.php
Document Length:        25 bytes

Concurrency Level:      10
Time taken for tests:   1.041 seconds
Complete requests:      1000
Failed requests:        12
   (Connect: 0, Receive: 0, Length: 12, Exceptions: 0)
Non-2xx responses:      1000
Total transferred:      219284 bytes
HTML transferred:       26776 bytes
Requests per second:    960.29 [#/sec] (mean)
Time per request:       10.414 [ms] (mean)
Time per request:       1.041 [ms] (mean, across all concurrent requests)
Transfer rate:          205.64 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.4      0       1
Processing:     2   10   4.7      9      22
Waiting:        2   10   4.6      8      22
Total:          3   10   4.7      9      22

测试 phpinfo()

./ab -c10 -n1000 http://localhost/phpinfo.php

Server Software:        nginx/1.11.5
Server Hostname:        wp.a.cc
Server Port:            80

Document Path:          /phpinfo.php
Document Length:        98215 bytes

Concurrency Level:      10
Time taken for tests:   4.408 seconds
Complete requests:      1000
Failed requests:        107
   (Connect: 0, Receive: 0, Length: 107, Exceptions: 0)
Non-2xx responses:      17
Total transferred:      96733608 bytes
HTML transferred:       96548186 bytes
Requests per second:    226.85 [#/sec] (mean)
Time per request:       44.083 [ms] (mean)
Time per request:       4.408 [ms] (mean, across all concurrent requests)
Transfer rate:          21429.39 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.4      0       1
Processing:    10   44   8.9     43      78
Waiting:        9   43   8.9     42      78
Total:         10   44   8.9     43      78

测试新装 WordPress

./ab -c10 -n100 http://localhost/wordpress/

Server Software:        nginx/1.11.5
Server Hostname:        wp.a.cc
Server Port:            80

Document Path:          /wordpress/
Document Length:        52976 bytes

Concurrency Level:      10
Time taken for tests:   45.738 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      5323100 bytes
HTML transferred:       5297600 bytes
Requests per second:    2.19 [#/sec] (mean)
Time per request:       4573.759 [ms] (mean)
Time per request:       457.376 [ms] (mean, across all concurrent requests)
Transfer rate:          113.66 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.5      0       1
Processing:   447 4366 790.2   4507    5239
Waiting:      446 4366 790.2   4507    5239
Total:        447 4367 790.2   4507    5240

WordPress 安装 WP Super Cache 缓存插件

./ab -c10 -n100 http://localhost/wordpress/

Server Software:        nginx/1.11.5
Server Hostname:        wp.a.cc
Server Port:            80

Document Path:          /wordpress/
Document Length:        53120 bytes

Concurrency Level:      10
Time taken for tests:   2.721 seconds
Complete requests:      100
Failed requests:        0
Total transferred:      5338000 bytes
HTML transferred:       5312000 bytes
Requests per second:    36.75 [#/sec] (mean)
Time per request:       272.131 [ms] (mean)
Time per request:       27.213 [ms] (mean, across all concurrent requests)
Transfer rate:          1915.58 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.4      0       1
Processing:    32  260  47.2    268     328
Waiting:       32  260  47.2    268     328
Total:         32  261  47.2    269     328

PHP 多版本共存 PHP5.6 PHP7.2

8月 29, 20185月 02, 2020 学习笔记

先安装 php7，正常安装

php7.2 安装完成后，进行 php5.6 的安装

安装 php5

[root@VM_0_2_centos ~]# cd ~
[root@VM_0_2_centos ~]# wget -c http://cn2.php.net/distributions/php-5.6.30.tar.gz
[root@VM_0_2_centos ~]# tar -zxvf php-5.6.30.tar.gz
[root@VM_0_2_centos ~]# cd php-5.6.30/

[root@VM_0_2_centos php-5.6.30]# ./configure  --prefix=/usr/local/php5 --enable-fpm --with-mysql  --with-mysqli --with-zlib --with-curl --with-gd --with-jpeg-dir --with-png-dir --with-freetype-dir --with-openssl --enable-mbstring --enable-xml --enable-session --enable-ftp --enable-pdo

[root@VM_0_2_centos php-5.6.30]# make

如果报错 configure: error: xml2-config not found. Please check your libxml2 installation.

yum install libxml2
yum install libxml2-devel

如果报错 configure: error: Please reinstall the libcurl distribution -
easy.h should be in /include/curl/

yum install curl-devel

make 可能会报错：make: *** [sapi/cli/php] error 1 ，

则使用

[root@VM_0_2_centos php-5.6.30]# make clean
[root@VM_0_2_centos php-5.6.30]# make ZEND_EXTRA_LIBS='-liconv'

安装

[root@VM_0_2_centos php-5.6.30]# make install

复制 php 配置文件

[root@VM_0_2_centos php-5.6.30]# cp php.ini-production /usr/local/php5/etc/php.ini

已经安装完成，查看版本号

[root@VM_0_2_centos php-5.6.30]# /usr/local/php5/bin/php -v

PHP 5.6.30 (cli) (built: Aug 29 2018 09:09:28) 
Copyright (c) 1997-2016 The PHP Group
Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies

配置 php-fpm

[root@VM_0_2_centos php-5.6.30]# cp /usr/local/php5/etc/php-fpm.conf.default /usr/local/php5/etc/php-fpm.conf
[root@VM_0_2_centos php-5.6.30]# vim /usr/local/php5/etc/php-fpm.conf

查找 user 将

user = nobody
group = nobody

改成

user = www
group = www

查找 listen 将

listen = 127.0.0.1:9000

改成

listen = 127.0.0.1:9001

配置 php-fpm 服务

[root@VM_0_2_centos php-5.6.30]# cp sapi/fpm/php-fpm.service /usr/lib/systemd/system/php5-fpm.service
[root@VM_0_2_centos php-5.6.30]# vim /usr/lib/systemd/system/php5-fpm.service

将：

PIDFile=${prefix}/var/run/php-fpm.pid
ExecStart=${exec_prefix}/sbin/php-fpm --nodaemonize --fpm-config ${prefix}/etc/php-fpm.conf

改成

PIDFile=/usr/local/php5/var/run/php-fpm.pid
ExecStart=/usr/local/php5/sbin/php-fpm --nodaemonize --fpm-config /usr/local/php5/etc/php-fpm.conf

重新载入 systemd

[root@VM_0_2_centos php-5.6.30]# systemctl daemon-reload

可以设置开机启动：

[root@VM_0_2_centos php-5.6.30]# systemctl enable php5-fpm

返回结果

Created symlink from /etc/systemd/system/multi-user.target.wants/php5-fpm.service to /usr/lib/systemd/system/php5-fpm.service.

启动：

[root@VM_0_2_centos php-5.6.30]# systemctl start php5-fpm

关闭：

[root@VM_0_2_centos php-5.6.30]# systemctl stop php5-fpm

查看状态：

[root@VM_0_2_centos php-5.6.30]# systemctl status php5-fpm

● php5-fpm.service - The PHP FastCGI Process Manager
   Loaded: loaded (/usr/lib/systemd/system/php5-fpm.service; disabled; vendor preset: disabled)
   Active: active (running) since Wed 2018-08-29 09:36:39 CST; 47s ago
 Main PID: 14996 (php-fpm)
   CGroup: /system.slice/php5-fpm.service
           ├─14996 php-fpm: master process (/usr/local/php5/etc/php-fpm.conf)
           ├─14997 php-fpm: pool www
           └─14998 php-fpm: pool www

配置不同的 nginx 站点使用不用的 PHP 版本

[root@VM_0_2_centos php-5.6.30]# cd /usr/local/nginx/conf/vhost/
[root@VM_0_2_centos vhost]# vim test.liuguofeng.com.conf

server {
    listen       80;
    server_name  test.liuguofeng.com;
    root         /home/wwwroot/test.liuguofeng.com
    location / {
        index  index.php index.html index.htm;
    }
    location ~ \.php$ {
        fastcgi_pass   127.0.0.1:9001;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }
}

PHP 5 使用 9001 端口， PHP 7，使用 9000端口。

重载 nginx 服务

[root@lnmp conf.d]# systemctl reload nginx

访问 PHPINFO

PHP url 缺少 www 自动补全 www 函数

8月 29, 201810月 16, 2018 学习笔记

稍后继续优化

<?php
function addWww($url){
	$parse = parse_url($url);

	$scheme = isset($parse['scheme'])?$parse['scheme']:'';
	$host = isset($parse['host'])?$parse['host']:'';
	$path = isset($parse['path'])?$parse['path']:'';
	$query = isset($parse['query'])?$parse['query']:'';
	$fragment = isset($parse['fragment'])?$parse['fragment']:'';

	preg_match('/^(([www]{3})|([\w]{1,}))[\.][\w]*?[\.][com|cn|com.cn|cc|net]{2,}/',$host,$match);

	if($match){
		$resUrl = $url;
	}else{
		$resUrl = $scheme.'://'.'www.'.$host.$path.'?'.$query.'#'.$fragment;
	}
	return $resUrl;
}

PHP 使用正则匹配去掉 URL 链接第三个斜杠后面的部分

8月 15, 201812月 02, 2018 学习笔记

$reg = '/^[^\/]+?(\/[^\/]+?){2}[^\/]*/';
$str = 'admin/associator/edit';
preg_match($reg,$str,$match);
var_dump($match[0]);

PHP 二维数组按照某个键值重新排序

8月 02, 20188月 05, 2018 学习笔记

需求：可预订排在前，不可预订排在后，即对既有数据进行重新排序，数据为二维数组，问题转换为根据二维数组的某 key 的值对二维数组进行重排

最开始使用二维数组降为一维数组，使用 asort/arsort 进行排序，排序完成后根据一维数组的位置替换成二维数组

结果是可以重拍，但问题是对 value 值相同的数据也会打乱重排。

第二种方法使用冒泡排序，也是用二维数组降为一维数组，使用冒泡排序重拍一维，再根据一维的序号替换成二维数组

结果不可重拍，因为冒泡只替换了 value 的位置，key 的位置并没有重拍。常规的冒泡仅是解决索引数组的排序，若想用冒泡的方式，需要对关联数组进行冒泡

第三种方法使用 array_multisort() 函数

array_multisort() 函数对多个数组或多维数组进行排序。
参数中的数组被当成一个表的列并以行来进行排序 - 这类似 SQL 的 ORDER BY 子句的功能。第一个数组是要排序的主要数组。数组中的行（值）比较为相同的话，就会按照下一个输入数组中相应值的大小进行排序，依此类推。

/**数组根据某一value值进行排序
 * @param $arr 二维数组
 * @param $keys 指定按哪列排序
 * @param string $order_by 正序 or 倒叙
 * @param bool $key 原 key 是否保留
 * @param string $way 排序方法
 * @return array 二维数组
 */
private function array_sort($arr,$keys,$order_by='desc',$key=FALSE,$way='bubble'){
  $tmp_array = $new_array = array();
  foreach($arr as $k=>$v){
    $tmp_array[$k] = $v[$keys];
  }

  if($way == 'sort'){
    //sort 方法排序，可以重拍，但是相同值的顺序会被打乱
    if($order_by =='asc'){
      asort($tmp_array);
    }else{
      arsort($tmp_array);
    }
  }elseif($way == 'bubble'){
    //冒泡排序,不能重拍
    if($order_by == 'desc') {
      for ($i = 0; $i < count($tmp_array) - 1; $i++) {
        for ($j = 0; $j < count($tmp_array) - $i - 1; $j++){
          if ($tmp_array[$j]<$tmp_array[$j+1]) {
            $t = $tmp_array[$j];
            $tmp_array[$j] = $tmp_array[$j+1];
            $tmp_array[$j+1] = $t;
          }
        }
      }
    }elseif($order_by == 'asc'){
      for ($i = 0; $i < count($tmp_array) - 1; $i++) {
        for ($j = 0; $j < count($tmp_array) - $i - 1; $j++){
          if ($tmp_array[$j]>$tmp_array[$j+1]) {
            $t = $tmp_array[$j];
            $tmp_array[$j] = $tmp_array[$j+1];
            $tmp_array[$j+1] = $t;
          }
        }
      }
    }
  }elseif($way == 'multisort'){
    //multisort 方法排序，相同值的顺序按顺序输出
    if($order_by == 'desc'){
      array_multisort(array_column($arr,$keys),SORT_DESC,$arr);
      $tmp_array = $arr;
    }elseif($order_by == 'asc'){
      array_multisort(array_column($arr,$keys),SORT_ASC,$arr);
      $tmp_array = $arr;
    }
  }

  reset($tmp_array);
  foreach($tmp_array as $k=>$v){
    if($key==TRUE){
      $new_array[$k] = $arr[$k];
    }else{
      $new_array[] = $arr[$k];
    }
  }
  return $new_array;
}

PHP 实现无限极分类生成分类树的方法

6月 26, 20186月 26, 2018 学习笔记

<?php

$data = array (
  array (
    'id' => 4,
    'category_name' => '要闻',
    'pid' => 3,
    'created_at' => '2018-06-21 17:33:55',
    'updated_at' => '2018-06-21 17:33:55',
  ),
  array (
    'id' => 3,
    'category_name' => '新闻',
    'pid' => 0,
    'created_at' => '2018-06-21 17:33:45',
    'updated_at' => '2018-06-21 17:33:45',
  ),
  array (
    'id' => 5,
    'category_name' => '企业服务',
    'pid' => 3,
    'created_at' => '2018-06-21 17:34:12',
    'updated_at' => '2018-06-21 17:34:12',
  ),
  array (
    'id' => 6,
    'category_name' => '大新闻',
    'pid' => 0,
    'created_at' => '2018-06-26 14:41:28',
    'updated_at' => '2018-06-26 14:41:28',
  ),
  array (
    'id' => 7,
    'category_name' => '优惠',
    'pid' => 6,
    'created_at' => '2018-06-26 14:41:45',
    'updated_at' => '2018-06-26 14:41:45',
  ),
);
echo "<pre>";
//var_export($data);



function getTree($list,$pid=0,$level=0) {
  static $tree = array();
  foreach($list as $row) {
    if($row['parentID']==$pid) {
      $row['level'] = $level;
      $tree[] = $row;
      getTree($list, $row['id'], $level + 1);
    }
  }
  return $tree;
}

function makeTree($arr){
  $refer = array();
  $tree = array();
  foreach($arr as $k => $v){
    $refer[$v['id']] = & $arr[$k]; //创建主键的数组引用
  }
  foreach($arr as $k => $v){
    $pid = $v['pid'];  //获取当前分类的父级id
    if($pid == 0){
      $tree[] = & $arr[$k];  //顶级栏目
    }else{
      if(isset($refer[$pid])){
        $refer[$pid]['subcat'][] = & $arr[$k]; //如果存在父级栏目，则添加进父级栏目的子栏目数组中
      }
    }
  }
  return $tree;
}


$a = makeTree($data);
print_r($a);

$b = getTree($data);
print_r($b);

输出：

微信小程序地图服务使用百度坐标系经纬度方法百度坐标系转 GCJ02

6月 22, 20186月 22, 2018 学习笔记

微信小程序使用百度地图提供的坐标进行定位的时候会造成位置偏移，究其原因是百度地图未使用常规的国测局坐标（火星坐标，GCJ02）、或WGS84坐标系而使用了自己的坐标系百度坐标系

会造成经纬度上的一公里左右的偏移。

但百度只提供 WGS84、GCJ02 坐标系转百度坐标系的接口，而未提供百度坐标系转 WGS84、GCJ02坐标系

互联网在线地图使用的坐标系：

火星坐标系：

iOS 地图（其实是高德）
Gogole地图
搜搜、阿里云、高德地图

百度坐标系：

当然只有百度地图

WGS84坐标系：

国际标准，谷歌国外地图、osm地图等国外的地图一般都是这个

微信小程序使用百度坐标系经纬度的解决方式：

腾讯位置服务提供了微信小程序 JavaScript SDK，可进行其他坐标系的逆向解析，包含以下坐标系转换至腾讯坐标系：

GPS坐标
sogou经纬度
baidu经纬度
mapbar经纬度
[默认]腾讯、google、高德坐标
sogou墨卡托

接口文档： http://lbs.qq.com/qqmap_wx_jssdk/method-reverseGeocoder.html

PHP 自定义函数记录错误 / LOG日志到文件

6月 21, 2018 学习笔记

public function log($res){
    $err_date = date("Ym", time());
    $address = '/error';
    if (!is_dir($address)) {
        mkdir($address, 0700, true);
    }
    $address = $address.'/'.$err_date . '_error.log';
    $error_date = date("Y-m-d H:i:s", time());
    if(!empty($_SERVER['HTTP_REFERER'])) {
        $file = $_SERVER['HTTP_REFERER'];
    } else {
        $file = $_SERVER['REQUEST_URI'];
    }
    if(is_array($res)) {
        $res_real = "$error_date\t$file\n";
        error_log($res_real, 3, $address);
        $res = var_export($res,true);
        $res = $res."\n";
        error_log($res, 3, $address);
    } else {
        $res_real = "$error_date\t$file\t$res\n";
        error_log($res_real, 3, $address);
    }
}

微信小程序支付完成后回调通知数据记录

6月 07, 20186月 19, 2018 学习笔记

<xml><appid><![CDATA[wxf2e83f1160dfcxxx]]></appid><bank_type><![CDATA[ICBC_DEBIT]]></bank_type>/<cash_fee><![CDATA[1]]></cash_fee>/<fee_type><![CDATA[CNY]]></fee_type>/<is_subscribe><![CDATA[N]]></is_subscribe>/<mch_id><![CDATA[130xxx8601]]></mch_id>/<nonce_str><![CDATA[LhpVcEPpTNASOaQysNFNlYLrpMgyWDLa]]></nonce_str>/<openid><![CDATA[oC7xr5TZehbHbe__UUNPJzDapxxx]]></openid>/<out_trade_no><![CDATA[1528360591]]></out_trade_no>/<result_code><![CDATA[SUCCESS]]></result_code>/<return_code><![CDATA[SUCCESS]]></return_code>/<sign><![CDATA[766868113312ED3C141BF3D3487D1BDF]]></sign>/<time_end><![CDATA[20180607163654]]></time_end>/<total_fee>1</total_fee>/<trade_type><![CDATA[JSAPI]]></trade_type>/<transaction_id><![CDATA[4200000123201806075922186660]]></transaction_id>/</xml>

{"appid":"wxf2e83f1160dfcxxx","bank_type":"ICBC_DEBIT","cash_fee":"1","fee_type":"CNY","is_subscribe":"N","mch_id":"130xxx8601","nonce_str":"yHbHrfbyDnWvRuogoOLWffsuFEXhDBeT","openid":"oC7xr5TZehbHbe__UUNPJzDapxxx","out_trade_no":"1528361071","result_code":"SUCCESS","return_code":"SUCCESS","sign":"364C903E8668AE6B49A1EE2B7A217D97","time_end":"20180607164442","total_fee":"1","trade_type":"JSAPI","transaction_id":"4200000126201806078162413986"}

接收并处理

$data['postStr']=isset($GLOBALS['HTTP_RAW_POST_DATA']) ? $GLOBALS['HTTP_RAW_POST_DATA'] : file_get_contents("php://input");
$postdata = json_decode(json_encode(simplexml_load_string($data['postStr'], 'SimpleXMLElement', LIBXML_NOCDATA)), true);

JSON格式化

{
    "appid": "wxf2e83f1160dfcxxx",
    "bank_type": "ICBC_DEBIT",
    "cash_fee": "1",
    "fee_type": "CNY",
    "is_subscribe": "N",
    "mch_id": "130xxx8601",
    "nonce_str": "yHbHrfbyDnWvRuogoOLWffsuFEXhDBeT",
    "openid": "oC7xr5TZehbHbe__UUNPJzDapxxx",
    "out_trade_no": "1528361071",
    "result_code": "SUCCESS",
    "return_code": "SUCCESS",
    "sign": "364C903E8668AE6B49A1EE2B7A217D97",
    "time_end": "20180607164442",
    "total_fee": "1",
    "trade_type": "JSAPI",
    "transaction_id": "4200000126201806078162413986"
}

官方文档：https://pay.weixin.qq.com/wiki/doc/api/wxa/wxa_api.php?chapter=9_7&index=8