lnmp 环境下 执行 PHP -v 有以

报错信息

PHP Warning:  PHP Startup: Unable to load dynamic library 'gd2' (tried: /usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/gd2 (/usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/gd2: cannot open shared object file: No such file or directory), /usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/gd2.so (/usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/gd2.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library 'mysqli' (tried: /usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/mysqli (/usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/mysqli: cannot open shared object file: No such file or directory), /usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/mysqli.so (/usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/mysqli.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
PHP Warning:  PHP Startup: Unable to load dynamic library 'openssl' (tried: /usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/openssl (/usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/openssl: cannot open shared object file: No such file or directory), /usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/openssl.so (/usr/local/php/lib/php/extensions/no-debug-non-zts-20180731/openssl.so: cannot open shared object file: No such file or directory)) in Unknown on line 0