本文实例讲述了php7安装yar扩展的方法。分享给大家供大家参考，具体如下：
体验RPC框架Yar需要：
1. 装二进制打包协议msgpack
2. 装yar拓展和依赖
一. 安装二进制打包协议msgpack
1. 安装PHP拓展包有很多种方式，当然没什么是比pecl更加来得暴力，用这个之前要确认phpize是否存在
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find / -name phpize
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2. 如果phpize不存在
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yum install php-devel
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3. Ok,先装msgpack
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pecl install msgpack
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安装跳了一大堆编译过程过程，省略ING 只关心后几行
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Build process completed successfully
Installing '/usr/include/php/ext/msgpack/php_msgpack.h'
Installing '/usr/lib64/php/modules/msgpack.so'
install ok: channel://pecl.php.net/msgpack-0.5.6
configuration option "php_ini" is not set to php.ini location
You should add "extension=msgpack.so" to php.ini
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安装完 msgpack.so 会自动复制到 php 扩展库，并写好配置。
二. 安装 yar
1. 下载 yar
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wget http://pecl.php.net/get/yar-2.0.0.tgz
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2. 解压编译
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tar -zxvf yar-2.0.0.tgz
cd cd yar-2.0.0
/usr/bin/phpize
./configure --with-php-config=/usr/bin/php-config7.0*
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遇到问题：
checking for cURL in default path... not found
configure: error: Please reinstall the libcurl distribution - easy.h should be in <curl-dir>/include/curl/
3. 安装 curl-devel
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yum -y install curl-devel
sudo apt-get install libcurl4-gnutls-dev
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ps：curl vs curl-deval
参考： http://*.com/questions/4976971/compiling-php-with-curl-where-is-curl-installed
4. 安装 yar
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make && make install
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5. 复制 yar.so 到 php 扩展库下
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sudo cp yar.so /usr/lib/php/20151012/yar.so
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6. 扩展写配置文件
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echo "extension=yar.so" > /etc/php/7.0/mods-available/yar.ini
ln -sf /etc/php/7.0/mods-available/yar.ini /etc/php/7.0/fpm/conf.d/20-yar.ini
ln -sf /etc/php/7.0/mods-available/yar.ini /etc/php/7.0/cli/conf.d/20-yar.ini
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7. 重启 php-fpm nginx
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service php7.0-fpm restart
service nginx restart
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ps: php -ir 查询 phpinfo
希望本文所述对大家PHP程序设计有所帮助。