Linux CentOS完全卸载PHP
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<p>很无语，CentOS居然php版本才5.1.6，很多开源的CMS无法安装。</p>
<p>查看php版本命令：</p>
<blockquote>
<p>#php -v</p>
</blockquote>
<p>下面的命令是删除不干净的</p>
<blockquote>
<p>#yum remove php</p>
</blockquote>
<p>因为使用这个命令以后再用</p>
<blockquote>
<p>#php -v</p>
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<p>还是会看到有版本信息的。。。。。</p>
<p> </p>
<p>必须强制删除，使用下面命令查看全部php软件包</p>
<blockquote>
<p>#rpm -qa|grep php</p>
</blockquote>
<p>提示如下：</p>
<blockquote>
<p>#php-pdo-5.1.6-27.el5_5.3<br>#php-mysql-5.1.6-27.el5_5.3<br>#php-xml-5.1.6-27.el5_5.3<br>#php-cli-5.1.6-27.el5_5.3<br>#php-common-5.1.6-27.el5_5.3<br>#php-gd-5.1.6-27.el5_5.3</p>
</blockquote>
<p>注意卸载要先卸载没有依赖的</p>
<p>pdo是mysql的依赖项；common是gd的依赖项；<br>例如：# rpm -e php-pdo-5.1.6-27.el5_5.3<br>error: Failed dependencies:<br> php-pdo is needed by (installed) php-mysql-5.1.6-27.el5_5.3.i386</p>
<p>所以正确的卸载顺序是：</p>
<blockquote>
<p># rpm -e php-mysql-5.1.6-27.el5_5.3 <br># rpm -e php-pdo-5.1.6-27.el5_5.3 <br># rpm -e php-xml-5.1.6-27.el5_5.3 <br># rpm -e php-cli-5.1.6-27.el5_5.3 <br># rpm -e php-gd-5.1.6-27.el5_5.3 <br># rpm -e php-common-5.1.6-27.el5_5.3 </p>
</blockquote>
<p>再用</p>
<blockquote>
<p># php -v</p>
</blockquote>
<p>查看版本信息已经没有提示</p>
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来源：https://www.cnblogs.com/guiyishanren/p/11097818.html
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