PHP 编译安装 phpredis

cd ~/Downloads
git clone https://github.com/phpredis/phpredis.git
cd phpredis
/home/misswell/soft/php/bin/phpize
./configure --with-php-config=/home/misswell/soft/php/bin/php-config
make -j
make install

在 php.ini 里添加扩展

vim /home/misswell/soft/php/lib/php.ini

extension=redis

 

PHP7 源码编译安装 Swoole 扩展

cd ~/Downloads
git clone https://gitee.com/swoole/swoole.git
cd swoole
/home/misswell/soft/php/bin/phpize
./configure --with-php-config=/home/misswell/soft/php/bin/php-config
make -j
make install

或加上异步 redis

cd ~/Downloads 
git clone https://gitee.com/swoole/swoole.git
cd swoole 
/home/misswell/soft/php/bin/phpize
./configure --with-php-config=/home/misswell/soft/php/bin/php-config --enable-async-redis
make clean
make -j
make install

返回信息

...
Installing shared extensions: /home/misswell/soft/php/lib/php/extensions/no-debug-non-zts-20170718/
Installing header files: /home/misswell/soft/php/include/php/

PHP Swoole 异步 redis 之 redis 服务安装

swoole 使用 异步redis的前置条件

  • redis 服务
  • hiredis库
  • 编译 swoole 需要加入 -enable-async-redis

安装 redis

下载 redis 地址: https://redis.io

cd ~/Downloads
tar -zxvf redis-4.0.9.tar.gz
cd redis-4.0.9
make

启动服务:

cd redis-4.0.9/src
./redis-server

hiredis 地址: https://github.com/redis/hiredis/releases

安装 hiredis

cd ~/Downloads
wget https://github.com/redis/hiredis/archive/v0.13.3.zip
unzip v0.13.3.zip
cd hiredis-0.13.3
make -j
sudo make install
sudo ldconfig

重新编译 hiredis

cd ~/Downloads/swoole/
./configure --with-php-config=/home/misswell/soft/php/bin/php-config --enable-async-redis
make clean
make -j
make install

...
Installing shared extensions: /home/misswell/soft/php/lib/php/extensions/no-debug-non-zts-20170718/
Installing header files: /home/misswell/soft/php/include/php/

php -m 命令查看 Swoole 是否开启成功
php --ri swoole 命令查看 Swoole 异步是否安装成功 async redis client =>enable

Ubuntu16.04 PHP7 编译安装 PHP 扩展包 curl 安装记录

安装 PHP7.2.4 curl 扩展:

学习慕课网-Swoole入门到实战打造高性能赛事直播平台-7.9 章节时报错 undefined curl_init(),导致无法发送阿里大鱼短信,以下是报错信息

PHP Fatal error:  Uncaught Error: Call to undefined function Aliyun\Core\Http\curl_init() in /home/misswell/Code/thinkphp_5.1.0_rc/extend/ali/lib/Core/Http/HttpHelper.php:13

原因是缺少 curl 扩展

我的安装代码:

misswell@ubuntu:~/Downloads$ wget http://curl.haxx.se/download/curl-7.32.0.tar.gz
misswell@ubuntu:~/Downloads$ tar zxvf curl-7.32.0.tar.gz 
misswell@ubuntu:~/Downloads$ cd curl-7.32.0
misswell@ubuntu:~/Downloads/curl-7.32.0$ ./configure --prefix=/usr/local/curl
misswell@ubuntu:~/Downloads/curl-7.32.0$ cd  ../php-7.2.4/ext/curl/
misswell@ubuntu:~/Downloads/php-7.2.4/ext/curl$ /home/misswell/soft/php/bin/phpize 
misswell@ubuntu:~/Downloads/php-7.2.4/ext/curl$ ./configure --with-php-config=/home/misswell/soft/php/bin/php-config  --with-curl=/home/misswell/Downloads/curl-7.32.0
misswell@ubuntu:~/Downloads/php-7.2.4/ext/curl$ make && make install
...
Installing shared extensions:     /home/misswell/soft/php/lib/php/extensions/no-debug-non-zts-20170718/

解释:

php源码目录:/home/misswell/Downloads/php-7.2.4/

php编译目录:/home/misswell/soft/php/

curl源码目录:/home/misswell/Downloads/curl-7.32.0/

1.curl,主要用于发送http请求,是php的一个扩展包。
2.安装过程:
(1)curl下载:http://curl.haxx.se/download.html
(2)具体安装过程:

wget http://curl.haxx.se/download/curl-7.32.0.tar.gz

tar zxvf curl-7.32.0.tar.gz

cd curl-7.32.0

./configure --prefix=/usr/local/curl

cd /(php源码目录)/ext/curl

运行phpize: /(php编译目录)/bin/phpize

./configure --with-php-config=/(php编译目录)/bin/php-config --with-curl=/(curl源码目录)

make && make install

修改php.ini,增加:extension=curl.so(如果没有安装过其他php扩展,则需要同时配置extension_dir="/(php编译后目录)/lib/php/extensions/no-debug-non-zts-20121212/",上一个步骤生成.so文件的时候,会输出extension_dir目录)

(3)检验是否安装成功:

/(php编译后目录)/bin/php -m | grep curl ——正常打印curl,则表示安装成功(php -m会打印出已安装的扩展模块)

PHP 封装一个 api 接口类

PHP 封装一个 api 接口类

使用:

$this->apiSuccess('返回成功', ['message'=>'yes']);

返回结果:

{
    "info": "发布话题成功",
    "data": {
        "message": "yes"
    },
    "code": 200
}

调用:

$this->apiError('返回失败');

返回结果:

{
    "info":"返回失败",
    "code":400
}

代码如下:

<?php

class MY_Controller extends CI_Controller
{
    // 当前请求类型
    protected $_method = '';
    // 当前请求的资源类型
    protected $_type = '';
    // REST允许的请求类型列表
    protected $allowMethod = array('get', 'post', 'put', 'delete');
    // REST默认请求类型
    protected $defaultMethod = 'get';
    // REST允许请求的资源类型列表
    protected $allowType = array('html', 'xml', 'json', 'rss');
    // 默认的资源类型
    protected $defaultType__EXT__ = 'html';
    // REST允许输出的资源类型列表
    protected $allowOutputType = array(
        'xml' => 'application/xml',
        'json' => 'application/json',
        'html' => 'text/html',
    );

    /**
     * 架构函数
     * @access public
     */
    public function __construct()
    {
        parent::__construct();
        $this->_type = $this->getAcceptType();
        // 请求方式检测
        $method = strtolower($_SERVER['REQUEST_METHOD']);
        if (!in_array($method, $this->allowMethod)) {
            // 请求方式非法 则用默认请求方法
            $method = $this->defaultMethod;
        }
        $this->_method = $method;
    }
   
    /**
     * 获取当前请求的Accept头信息
     * @return string
     */
    protected function getAcceptType()
    {
        $type = array(
            'html' => 'text/html,application/xhtml+xml,*/*',
            'xml' => 'application/xml,text/xml,application/x-xml',
            'json' => 'application/json,text/x-json,application/jsonrequest,text/json',
            'js' => 'text/javascript,application/javascript,application/x-javascript',
            'css' => 'text/css',
            'rss' => 'application/rss+xml',
            'yaml' => 'application/x-yaml,text/yaml',
            'atom' => 'application/atom+xml',
            'pdf' => 'application/pdf',
            'text' => 'text/plain',
            'png' => 'image/png',
            'jpg' => 'image/jpg,image/jpeg,image/pjpeg',
            'gif' => 'image/gif',
            'csv' => 'text/csv'
        );
        foreach ($type as $key => $val) {
            $array = explode(',', $val);
            foreach ($array as $k => $v) {
                if (isset($_SERVER['HTTP_ACCEPT']) && stristr($_SERVER['HTTP_ACCEPT'], $v)) {
                    return $key;
                }else{
                    return false;
                }
            }
        }
        return false;
    }
    // 发送Http状态信息
    protected function sendHttpStatus($code)
    {
        static $_status = array(
            // Informational 1xx
            100 => 'Continue',
            101 => 'Switching Protocols',
            // Success 2xx
            200 => 'OK',
            201 => 'Created',
            202 => 'Accepted',
            203 => 'Non-Authoritative Information',
            204 => 'No Content',
            205 => 'Reset Content',
            206 => 'Partial Content',
            // Redirection 3xx
            300 => 'Multiple Choices',
            301 => 'Moved Permanently',
            302 => 'Moved Temporarily ', // 1.1
            303 => 'See Other',
            304 => 'Not Modified',
            305 => 'Use Proxy',
            // 306 is deprecated but reserved
            307 => 'Temporary Redirect',
            // Client Error 4xx
            400 => 'Bad Request',
            401 => 'Unauthorized',
            402 => 'Payment Required',
            403 => 'Forbidden',
            404 => 'Not Found',
            405 => 'Method Not Allowed',
            406 => 'Not Acceptable',
            407 => 'Proxy Authentication Required',
            408 => 'Request Timeout',
            409 => 'Conflict',
            410 => 'Gone',
            411 => 'Length Required',
            412 => 'Precondition Failed',
            413 => 'Request Entity Too Large',
            414 => 'Request-URI Too Long',
            415 => 'Unsupported Media Type',
            416 => 'Requested Range Not Satisfiable',
            417 => 'Expectation Failed',
            // Server Error 5xx
            500 => 'Internal Server Error',
            501 => 'Not Implemented',
            502 => 'Bad Gateway',
            503 => 'Service Unavailable',
            504 => 'Gateway Timeout',
            505 => 'HTTP Version Not Supported',
            509 => 'Bandwidth Limit Exceeded'
        );
        if (isset($_status[$code])) {
            header('HTTP/1.1 ' . $code . ' ' . $_status[$code]);
            // 确保FastCGI模式下正常
            header('Status:' . $code . ' ' . $_status[$code]);
        }else{
            // 找不到code码时为400
            $code = 400;
            header('HTTP/1.1 ' . $code . ' ' . $_status[$code]);
            // 确保FastCGI模式下正常
            header('Status:' . $code . ' ' . $_status[$code]);
        }
    }

    /**
     * 编码数据
     * @access protected
     * @param mixed $data 要返回的数据
     * @param String $type 返回类型 JSON XML
     * @return void
     */
    protected function encodeData($data, $type = '')
    {
        if (empty($data)) return '';
        if ('json' == $type) {
            // 返回JSON数据格式到客户端 包含状态信息
            $data = json_encode($data,JSON_UNESCAPED_UNICODE);
        } elseif ('xml' == $type) {
            // 返回xml格式数据
            $data = xml_encode($data);
        } elseif ('php' == $type) {
            $data = serialize($data);
        }
        // 默认直接输出
        $this->setContentType($type);
        header('Content-Length: ' . strlen($data));
        return $data;
    }
    /**
     * 设置页面输出的CONTENT_TYPE和编码
     * @access public
     * @param string $type content_type 类型对应的扩展名
     * @param string $charset 页面输出编码
     * @return void
     */
    public function setContentType($type, $charset = '')
    {
        if (headers_sent()) return;
        if (empty($charset)) $charset = 'utf-8';
        $type = strtolower($type);
        if (isset($this->allowOutputType[$type])) //过滤content_type
            header('Content-Type: ' . $this->allowOutputType[$type] . '; charset=' . $charset);
    }
    /**
     * 输出返回数据
     * @access protected
     * @param mixed $data 要返回的数据
     * @param String $type 返回类型 JSON XML
     * @param integer $code HTTP状态
     * @return void
     */
    protected function response($data, $type = '', $code = 200)
    {
        $this->sendHttpStatus($code);
        exit($this->encodeData($data, strtolower($type)));
    }
    protected function aresponse($data, $type = '', $code = 200)
    {
        $this->asendHttpStatus($code);
        exit($this->encodeData($data, strtolower($type)));
    }
    /**
     * apiReturn  api返回方法,约定 。int 是 code。string 是 Info,array 是 data
     * 其中array型可以传多个,第一个返回参数名为data,其余的按照data_ + 调用时的位置 命名
     */
    protected function apiReturn()
    {
        $code = 200;
        $args = func_get_args();
        $this->apiResponse($args,$code);
    }
    protected function apiSuccess(){
        $args = func_get_args();
        $code = 200;
        $this->apiResponse($args,$code);
    }
    protected function apiError(){
        $args = func_get_args();
        $code = 400;
        $this->apiResponse($args,$code);
    }
    protected function apiResponse($args,$code=200){
        $rs = array();
        foreach ($args as $key => $v) {
            if (is_array($v)) {
                if (isset($rs['data'])) {
                    $rs['data_'.$key] = $v;
                }else{
                    $rs['data'] = $v;
                }
            } elseif (is_int($v)) {
                $code = $v;
            } else {
                $rs['info'] = $v;
            }
        }
        $rs['code'] = $code;
        $this->response($rs, 'json', $code);
    }
}

 

 

PHP 中 json_encode() 的返回类型 JSON 数组和 JSON 对象

PHP 中 json_encode() 只将索引数组(indexed array)转为数组格式,而将关联数组(associative array)转为对象格式。

$arr = array(
    '0'=>'a','1'=>'b','2'=>'c','3'=>'d'
);
echo json_encode($arr);

结果是:

["a","b","c","d"]

而不是

{"0":"a","1":"b","2":"c","3":"d"}

强制转成对象

$arr = array(
    '0'=>'a','1'=>'b','2'=>'c','3'=>'d'
);
echo json_encode((object)$arr);

输出结果:

{"0":"a","1":"b","2":"c","3":"d"}

 

Thinkphp 3.2.3 多表事务

$Model = M();
$Model->startTrans();
$userRes = $Model->table('test_user')->add(['name'=>'admin']);
$keyRes  = $Model->table('test_key')->add(['key'=>'test']);
$taskRes = $Model->table('test_task')->add(['task'=>'test']);
if (userRes && $keyRes && $taskRes) 
    $Model->commit();
else
    $Model->rollback();

ENGINE=MyISAM  会导致回滚失败

需要修改成 InnoDB 引擎:

mysql> alter table `test_user` engine=innodb; 

PHP 删除文件函数(清理缓存)

删除文件函数

function clean_cache($dirname='./Runtime/')
{
//清文件缓存
    $dirs = array($dirname);
//清理缓存
    foreach ($dirs as $value) {
        rmdirr($value);
    }
    @mkdir($dirname, 0777, true);
}

function rmdirr($dirname)
{
    if (!file_exists($dirname)) {
        return false;
    }
    if (is_file($dirname) || is_link($dirname)) {
        return unlink($dirname);
    }
    $dir = dir($dirname);
    if ($dir) {
        while (false !== $entry = $dir->read()) {
            if ($entry == '.' || $entry == '..') {
                continue;
            }
            rmdirr($dirname . DIRECTORY_SEPARATOR . $entry);
        }
    }
    $dir->close();
    return rmdir($dirname);
}

 

安装PHP出现make: *** [sapi/cli/php] Error 1 解决办法

ext/iconv/.libs/iconv.o: In function `php_iconv_stream_filter_ctor':
/home/king/php-5.2.13/ext/iconv/iconv.c:2491: undefined reference to `libiconv_open'
collect2: ld returned 1 exit status
make: *** [sapi/cli/php] Error 1
[root@test php-5.2.13]# vi Makefile

在安裝 PHP 到系统中时要是发生「undefined reference to libiconv_open’」之类的错误信息,那表示在「./configure 」沒抓好一些环境变数值。错误发生点在建立「-o sapi/cli/php」是出错,没給到要 link 的 iconv 函式库参数。 解决方法:编辑Makefile 大约77 行左右的地方: EXTRA_LIBS = ….. -lcrypt 在最后加上 -liconv,例如: EXTRA_LIBS = ….. -lcrypt -liconv 然后重新再次 make 即可。

 

或者用另一种办法

make ZEND_EXTRA_LIBS='-liconv'

ln -s /usr/local/lib/libiconv.so.2 /usr/lib64/