CentOS Installation(Nginx) 安装依赖时失败

[bole2u]

在虚拟机centos上，执行第3步的composer install --no-dev的时候，失败报错
Your requirements could not be resolved to an installable set of packages.
Problem 1
- adldap2/adldap2 v8.1.5 requires ext-ldap * -> the requested PHP extension ldap is missing from your system.
- adldap2/adldap2 v8.1.5 requires ext-ldap * -> the requested PHP extension ldap is missing from your system.
- Installation request for adldap2/adldap2 v8.1.5 -> satisfiable by adldap2/adldap2[v8.1.5].
To enable extensions, verify that they are enabled in your .ini files:
- /www/server/php/70/etc/php.ini
You can also run php --ini inside terminal to see which files are used by PHP in CLI mode.

换了我们的阿里云服务器（centos）也是这样
Problem 1
- Installation request for adldap2/adldap2 v8.1.5 -> satisfiable by adldap2/adldap2[v8.1.5].
- adldap2/adldap2 v8.1.5 requires ext-ldap * -> the requested PHP extension ldap is missing from your system.
Problem 2
- Installation request for mongodb/mongodb 1.0.2 -> satisfiable by mongodb/mongodb[1.0.2].
- mongodb/mongodb 1.0.2 requires ext-mongodb ^1.1.0 -> the requested PHP extension mongodb is missing from your system.
Problem 3
- mongodb/mongodb 1.0.2 requires ext-mongodb ^1.1.0 -> the requested PHP extension mongodb is missing from your system.
- jenssegers/mongodb v3.0.2 requires mongodb/mongodb ^1.0.0 -> satisfiable by mongodb/mongodb[1.0.2].
- Installation request for jenssegers/mongodb v3.0.2 -> satisfiable by jenssegers/mongodb[v3.0.2].
To enable extensions, verify that they are enabled in your .ini files:
- /www/server/php/71/etc/php.ini
You can also run php --ini inside terminal to see which files are used by PHP in CLI mode.
能帮忙分析下是什么原因吗？谢谢

[lxerxa]

应该 是 php-ldap没有安装成功，试着修改下这个组件的名字重新安装下。