How to search for php4ts.dll (php5ts.dll)

php4ts.dll (php5ts.dll) is required for CGI and CLI executables and the web server module. You must confirm that the file can be found in the PHP installation path. The search order for this DLL is:

php4ts.dll (php5ts.dll) is required for CGI and CLI executables and the web server module. You must confirm that the file can be found in the PHP installation path. The search order for this DLL is: The directory from which php.exe was called, or if using the SAPI module, the directory of the web server (e.g. C:Program FilesApache GroupApache2bin). Any directory specified in the Windows PATH environment variable. To allow php4ts.dll / php5ts.dll to be searched correctly, you have the following three options: 1. Copy the file to the Windows system directory 2. Copy the file to the web server directory 3. Add the PHP directory (for example, C:php) to the PATH environment variable. For better future maintenance, it is recommended to use the last option and add the PHP directory to the PATH environment variable, as this will make it easier to upgrade PHP in the future. PATH environment variable (don't forget to restart your computer, logging out is not enough).