PHP 扩展 - 开启扩展[如: PHP 8.0 开启PDO, bcmath] - Windows/docker - 学习/实践

落日映苍穹つ 2023-01-07 10:30 220阅读 0赞

1.应用场景

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 <td> 主要用于开启, 以及安装PHP自带扩展模块. </td> 
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2.学习/操作

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 <td> 1.文档阅读 <a href="https://www.php.net/manual/zh/pdo.drivers.php" rel="nofollow">https://www.php.net/manual/zh/pdo.drivers.php</a>&nbsp;//&nbsp;PDO 驱动 <a href="https://www.runoob.com/php/php-pdo.html" rel="nofollow">https://www.runoob.com/php/php-pdo.html</a>&nbsp; //&nbsp;PHP PDO <a href="https://www.php.cn/php-weizijiaocheng-390946.html" rel="nofollow">https://www.php.cn/php-weizijiaocheng-390946.html</a>&nbsp;// PDO 原生封装操作 --- 20210610 周四 家里 语言： 
 <blockquote> 
 PHP 8.0 
 </blockquote> 环境： 
 <blockquote> 
 Windows系统本地 
 Docker容器 
 </blockquote> 2.整理输出 
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 <tbody> 
 <tr> 
 <td> <h3>2.1&nbsp;Windows系统本地</h3> 默认情况下, PHP 8.0 是没有启动任何自带扩展的 <img alt="" height="426" src="https://img-blog.csdnimg.cn/20210117162311380.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="674"> php.ini&nbsp; // 复制php.ini.development而来 <img alt="" height="962" src="https://img-blog.csdnimg.cn/20210117162402493.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="733"> 测试使用PDO扩展连接数据库, mysql 8.0 访问如下:&nbsp; <a href="http://localhost:8889/testMysql.php" rel="nofollow">http://localhost:8889/testMysql.php</a> <img alt="" height="178" src="https://img-blog.csdnimg.cn/20210117162549103.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="622"> 报错原因很清楚, 没有找到驱动, 也就是PDO扩展没有开启 解决办法: 开启pdo-mysql扩展 打开php.ini文件 找到扩展配置, pdo-mysql, 解开注释, 因为这里只是用到pdo连接MySQL, 所以暂时没必要开启其他扩展. Note: 因为是第一次, 开启扩展, 所以, 要将扩展目录也要解开注释, 下图可以看到有详细的提示 [] <img alt="" height="607" src="https://img-blog.csdnimg.cn/20210117163043741.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="599"> 选择Windows的选项, 解开注释: <img alt="" height="349" src="https://img-blog.csdnimg.cn/20210117163159852.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="689"> 即, 所有的PHP自带扩展动态链接库, 都存放在, 同级目录的ext目录下 <img alt="" height="305" src="https://img-blog.csdnimg.cn/20210117163318566.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="739"> 重启服务器 这里使用PHP自带的服务器, 只要ctrl+c停止, 重新执行脚本即可 <img alt="" height="204" src="https://img-blog.csdnimg.cn/20210117163851355.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="731"> <img alt="" height="173" src="https://img-blog.csdnimg.cn/20210117163946478.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="759"> 浏览器中查看phpinfo信息 <img alt="" height="741" src="https://img-blog.csdnimg.cn/2021011716373379.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="967"> 可以看到pdo_mysql正常开启~~ 最后, 重新运行之前测试使用pdo连接MySQL的测试 <a href="http://localhost:8889/testMysql.php" rel="nofollow">http://localhost:8889/testMysql.php</a> <img alt="" height="149" src="https://img-blog.csdnimg.cn/2021011716452823.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="597"> 正常连接mysql~~~~&nbsp;&nbsp;[这里的MySQL是docker中容器MySQL服务器] <h3>补充:</h3> 在查看php 8的信息时, 可看到, PHP 8.0的<a rel="nofollow">mysqlnd扩展,&nbsp;</a>支持的密码验证插件有: mysqlnd,debug_trace, auth_plugin_mysql_native_password, auth_plugin_mysql_clear_password, auth_plugin_caching_sha2_password,&nbsp; &nbsp;// PHP 7.4 是不支持的~~~ auth_plugin_sha256_password <img alt="" height="839" src="https://img-blog.csdnimg.cn/20210117164817357.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="823"> <h3>2.2&nbsp;Docker容器</h3> 1. docker中安装PHP参见：<a href="https://blog.csdn.net/william_n/article/details/111312171" rel="nofollow">https://blog.csdn.net/william_n/article/details/111312171</a>&nbsp;//&nbsp;&nbsp;PHP 8.0 - window 10下[含Docker方式]安装 - 学习/实践 <a href="https://hub.docker.com/_/php?tab=description&amp;page=1&amp;ordering=last_updated" rel="nofollow">https://hub.docker.com/_/php?tab=description&amp;page=1&amp;ordering=last_updated</a>&nbsp;// PHP 各版本镜像 2. 执行命令查看开启的扩展 php -v php -m <img alt="" height="1200" src="https://img-blog.csdnimg.cn/20210430120954896.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="894"> 可以看到一些信息， 安装之后，未做任何配置，默认开启的扩展都是PHP Modules的扩展，而Zend Modules没有扩展开启。 需求 
 <blockquote> 
 现在做个abstract test 测试生成器的性能如何 
 代码参见TBD 
 其中有使用到bcsub函数， 也就是BC扩展<a href="https://www.php.net/manual/zh/book.bc.php" rel="nofollow">https://www.php.net/manual/zh/book.bc.php</a> 
 默认是没有开启的，这里以Docker中开启BC扩展为例 
 </blockquote> 3. 找到php.ini配置文件 
 <blockquote> 
 whereis php 
 </blockquote> 一般在/usr/local/etc/php目录下 进入该目录 <img alt="" height="330" src="https://img-blog.csdnimg.cn/20210430120556596.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1154"> 4. 拷贝并修改配置文件 
 <blockquote> 
 cp php.ini-development php.ini 
 </blockquote> <img alt="" height="292" src="https://img-blog.csdnimg.cn/20210430131048480.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1144"> 输入命令： 
 <blockquote> 
 vim php.ini 
 </blockquote> 安装vim方法：&nbsp;<a href="https://blog.csdn.net/william_n/article/details/116301117" rel="nofollow">https://blog.csdn.net/william_n/article/details/116301117</a>&nbsp; // 修改docker容器中的文件 编辑开启扩展 但是发现， bcmath在docker中开启的方式不是这样的， docker做了另外的处理，网上其博客，如下执行步骤 <img alt="" height="367" src="https://img-blog.csdnimg.cn/20210430133232646.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="520"> 于是，进入到 /usr/local/bin目录下 ，并且大致查看了目录下内容， 多数为shell脚本，【应是docker做了外层处理】 docker-php-ext-install shell脚本中，进入到&nbsp;&nbsp;cd /usr/src/php/ext PHP源代码扩展目录下， 大致意思应该就是查找要安装的扩展然后安装～ <a href="https://github.com/docker-library/php/blob/1bc63c1ce4294a4ecb50c60dcf6a57d6749cba7d/8.0/alpine3.13/cli/docker-php-ext-install" rel="nofollow">https://github.com/docker-library/php/blob/1bc63c1ce4294a4ecb50c60dcf6a57d6749cba7d/8.0/alpine3.13/cli/docker-php-ext-install</a>&nbsp;// docker-library 直接查看相关文件内容 <img alt="" height="1200" src="https://img-blog.csdnimg.cn/20210430133122536.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1140"> 输入 docker-php-ext-install -h 再次查看该命令用法【下面输入中，第一个扩展就是bcmath， 因为顺序按照英文字母顺序输出】，其实上面的shell脚本内容中已经有说明， <img alt="" height="710" src="https://img-blog.csdnimg.cn/20210430133944146.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1146"> 结合自身需求，输入命令如下： 
 <blockquote> 
 docker-php-ext-install bcmath 
 </blockquote> <img alt="" height="648" src="https://img-blog.csdnimg.cn/20210430134503250.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1098"> <img alt="" height="1020" src="https://img-blog.csdnimg.cn/20210430134732642.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1138"> 上面有一些信息值得关注，接下来执行输出的提示 
 <blockquote> 
 make test 
 </blockquote> <img alt="" height="118" src="https://img-blog.csdnimg.cn/20210430134849940.png" width="756"> 同时可以看到新增的配置文件 /usr/local/etc/php/conf.d 目录下 <img alt="" height="702" src="https://img-blog.csdnimg.cn/20210430193640317.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1200"> 5. 重启容器 
 <blockquote> 
 docker restart 容器ID/容器名 
 </blockquote> 或者直接通过desktop App点击重启按钮操作均可 <img alt="" height="404" src="https://img-blog.csdnimg.cn/20210430135256863.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1200"> 6. 进入容器， 并查看扩展是否开启 
 <blockquote> 
 docker exec -it 容器ID bin/bash 
 </blockquote> 
 <blockquote> 
 php -m 
 </blockquote> <img alt="" height="1200" src="https://img-blog.csdnimg.cn/20210430135715297.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1200"> 可以看到一切开启扩展～～ Over 然后继续任务测试～ <img alt="" height="582" src="https://img-blog.csdnimg.cn/20210430140038883.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dpbGxpYW1fbg==,size_16,color_FFFFFF,t_70" width="1200"> 后连续执行单独运分别行三次 
 <blockquote> 
 with-gen 
 root@512cde94c29c:/var/www/html/learning_of_php8.0/generator/abstract-test# php -f ./with-gen.php 
 time: 0.3218 
 memory (byte): 16781312 
 root@512cde94c29c:/var/www/html/learning_of_php8.0/generator/abstract-test# php -f ./with-gen.php 
 time: 0.3188 
 memory (byte): 16781312 
 root@512cde94c29c:/var/www/html/learning_of_php8.0/generator/abstract-test# php -f ./with-gen.php 
 time: 0.3157 
 memory (byte): 16781312 
 
 not-gen 
 root@512cde94c29c:/var/www/html/learning_of_php8.0/generator/abstract-test# php -f ./not-gen.php 
 time: 0.3298 
 memory (byte): 52436992 
 root@512cde94c29c:/var/www/html/learning_of_php8.0/generator/abstract-test# php -f ./not-gen.php 
 time: 0.3236 
 memory (byte): 52436992 
 root@512cde94c29c:/var/www/html/learning_of_php8.0/generator/abstract-test# php -f ./not-gen.php 
 time: 0.3241 
 memory (byte): 52436992 
 root@512cde94c29c:/var/www/html/learning_of_php8.0/generator/abstract-test#&nbsp; 
 
 测试结果：【AVG】 
 -------------------------------------------- &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; | &nbsp;time&nbsp; &nbsp; | memory, mb | -------------------------------------------- | not gen &nbsp;| 0.3258 | 50.01&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;| -------------------------------------------- | with gen | 0.3188&nbsp;| 16.00&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;&nbsp;| -------------------------------------------- 
 顺便可以看到 
 PHP 8 下面将生成器的占用内存更加少，不过相比在 &gt;=5.5, 7.x 
 PHP 8 做了非生成器下优化，内存从146.75降到50.01 MB， 生成器下内存没有变化～ 
 
 </blockquote> 测试正常运行～ </td> 
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 </table> 后续补充 ... </td> 
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3.问题/补充

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 <tbody> 
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 <td> 1.PHP扩展的知识扩展 ---- 稍后学习整理~~~ <a href="https://blog.csdn.net/william_n/article/details/104987058" rel="nofollow">https://blog.csdn.net/william_n/article/details/104987058</a>&nbsp; //&nbsp;PHP 扩展 - 学习/实践&nbsp; </td> 
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</table>

4.参考

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 <tbody> 
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 <td> <a href="https://www.php.net/manual/zh/pdo.drivers.php" rel="nofollow">https://www.php.net/manual/zh/pdo.drivers.php</a>&nbsp;//&nbsp;PDO 驱动 <a href="https://www.runoob.com/php/php-pdo.html" rel="nofollow">https://www.runoob.com/php/php-pdo.html</a>&nbsp; //&nbsp;PHP PDO </td> 
 </tr> 
 </tbody> 
</table>

后续补充

...

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