这是因为您调用了 php 和 pecl 的本机操作系统二进制文件。
Plesk 的 PHP 5.6 二进制文件存储在 /opt/plesk/php/5.6/bin/。所以你必须调用 /opt/plesk/php/5.6/bin/php 和 /opt/plesk/php/5.6/bin/pecl
这里是如何为 PHP 5.6 安装 mongodb 的完整步骤:
[root@cos71x64-plesk12 ~]# /opt/plesk/php/5.6/bin/pecl install mongodb
/opt/plesk/php/5.6/bin/phpize not found. Run 'yum install plesk-php56-devel' to install it
[root@cos71x64-plesk12 ~]# yum install plesk-php56-devel
[root@cos71x64-plesk12 ~]# /opt/plesk/php/5.6/bin/pecl install mongodb
Build process completed successfully
Installing '/opt/plesk/php/5.6/lib64/php/modules/mongodb.so'
install ok: channel://pecl.php.net/mongodb-1.1.4
configuration option "php_ini" is not set to php.ini location
You should add "extension=mongodb.so" to php.ini
[root@cos71x64-plesk12 ~]# echo "extension=mongodb.so" > /opt/plesk/php/5.6/etc/php.d/mongodb.ini
[root@cos71x64-plesk12 ~]# /opt/plesk/php/5.6/bin/php --info | grep mongo
/opt/plesk/php/5.6/etc/php.d/mongodb.ini,
mongodb
mongodb support => enabled
mongodb version => 1.1.4
mongodb stability => stable
libmongoc version => 1.3.3
mongodb.debug => no value => no value