我的系统是centos，php是yum的5.6.40，php-ldap也是yum的5.6.40，配置好ldap后，登录时提示ERROR: PHP‘s ‘ldap‘ extension is not installed/enabled. Please check your MRBS and web server configuration.
先是查看系统日志，或者php -m，提示：PHP Warning: PHP Startup: Unable to load dynamic library ‘/usr/lib64/php/modules/ldap.so‘ - /usr/lib64/php/modules/ldap.so: cannot open shared object file: No such file or directory in Unknown on line 0
最后的解决思路：先下载php5.6.40包，解压缩得到php-ldap5.6.40，上传到服务器，解压缩，准备环境
phpize
./configure
这里会报错，报错内容都在最后，第一次：
configure: error: in `/root/php-5.6.4/ext/ldap‘:
configure: error: no acceptable C compiler found in $PATH
See `config.log‘ for more details
解决方案，安装gcc，yum install gcc
第二次：configure: error: Cannot find ldap.h
解决办法：yum install openldap openldap-devel -y
第三次：configure: error: Cannot find ldap libraries in /usr/lib.
解决办法：cp -frp /usr/lib64/libldap* /usr/lib/
然后继续./configure，最后提示
config.status: creating config.h
config.status: executing libtool commands
一切正常，然后
make
make install
至此问题解决！如果帮到了你，请留言让我知道！
终于解决ERROR: PHP's 'ldap' extension is not installed/enabled. Please check your MR
原文：https://www.cnblogs.com/leelice/p/11069349.html