提示诸如

PHP Warning:  PHP Startup: Unable to load dynamic library 'php_intl.dll' (tried: ext\php_intl.dll (找不到指定的模块。), ext\php_php_intl.dll.dll (找不到指定的模块。)) in Unknown on line 0

Warning: PHP Startup: Unable to load dynamic library 'php_intl.dll' (tried: ext\php_intl.dll (找不到指定的模块。), ext\php_php_intl.dll.dll (找不到指定的模块。)) in Unknown on line 0

PHP Warning:  PHP Startup: Unable to load dynamic library 'php_pdo_sqlsrv.dll' (tried: ext\php_pdo_sqlsrv.dll (找不到指 定的模块。), ext\php_php_pdo_sqlsrv.dll.dll (找不到指定的模块。)) in Unknown on line 0

Warning: PHP Startup: Unable to load dynamic library 'php_pdo_sqlsrv.dll' (tried: ext\php_pdo_sqlsrv.dll (找不到指定的模块。), ext\php_php_pdo_sqlsrv.dll.dll (找不到指定的模块。)) in Unknown on line 0

PHP Warning:  PHP Startup: Unable to load dynamic library 'php_sqlsrv.dll' (tried: ext\php_sqlsrv.dll (找不到指定的模块 。), ext\php_php_sqlsrv.dll.dll (找不到指定的模块。)) in Unknown on line 0

Warning: PHP Startup: Unable to load dynamic library 'php_sqlsrv.dll' (tried: ext\php_sqlsrv.dll (找不到指定的模块。), ext\php_php_sqlsrv.dll.dll (找不到指定的模块。)) in Unknown on line 0

实际查看ext目录，dll文件是存在的，有可能是缺少c++运行库，装上就可以了。

例如PHP7.3对应的是C++2015。