工作中PHP错误大集锦

<div>1.composert install报错：the requested PHP extension fileinfo is missing from your system.</div><div>我是在git bash里执行composer install, 匹配的php.ini配置文件是环境变量里设置的路径。</div><div><pre><span style="background-color:#f7faff;">E:\wamp64\bin\php\php7</span><span style="color:#0000ff;background-color:#f7faff;">.3.2</span></pre></div><p>在上面路径下里的php.ini文件，打开如下扩展注释，然后重启wamp服务即可：</p><pre>extension=php_fileinfo.dll<br></pre><p><br></p><p>而wamp集成环境下访问phpinfo，里面php.ini配置文件路径却如下：</p><pre><span style="background-color:#f7faff;font-weight:bold;">E</span><span style="background-color:#f7faff;">:\wamp64\bin\apache\</span><span style="color:#660e7a;background-color:#f7faff;font-weight:bold;font-style:italic;">apache2</span><span style="color:#0000ff;background-color:#f7faff;">.4.23</span><span style="background-color:#f7faff;">\bin\</span><span style="color:#660e7a;background-color:#f7faff;font-weight:bold;font-style:italic;">php</span><span style="background-color:#f7faff;">.</span><span style="color:#660e7a;background-color:#f7faff;font-weight:bold;font-style:italic;">ini</span> </pre><p>这个问题在我的这篇技术笔记中讲到过：<a href="http://www.zhai14.com/blog/install-php-of-new-version-in-wamp.html" target="_blank">wamp3.0下安装php7.3</a><br></p><p>就是：为何php -v的版本号跟phpinfo里的版本号不一致？<br></p>