PHP composer-setup安装遇到的openssl extension is missing

 问题描述：

     安装完成php-7.1.17后，安装composer出现以下错误

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[root@localhost src]# curl -sS https://getcomposer.org/installer | php Some settings on your machine make Composer unable to work properly. Make sure that you fix the issues listed below and run this script again:   The openssl extension is missing, which means that secure HTTPS transfers are impossible. If possible you should enable it or recompile php with --with-openssl

排查过程中发现php 配置文件的问题，没有加载到php.ini文件

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[root@localhost php]# php --ini Configuration File (php.ini) Path: /usr/local/php-7.1.17/lib Loaded Configuration File:         (none) Scan for additional .ini files in: (none) Additional .ini files parsed:      (none)

 创建软链

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1	[root@localhost php]# ln -s /home/sc/php/php7-9026.ini /usr/local/php/lib/php.ini

　找到php.ini文件

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[root@localhost lib]# php --ini Configuration File (php.ini) Path: /usr/local/php-7.1.17/lib Loaded Configuration File:         /usr/local/php-7.1.17/lib/php.ini Scan for additional .ini files in: (none) Additional .ini files parsed:      (none)

再次安装composer 正常。

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1 2	curl -sS https://getcomposer.org/installer | php mv composer.phar /usr/local/bin/composer

 通过phpinfo 查看是已经加载到了openssl，但是没有找到php.ini 导致通过绝对路径时没有加载到模块。