Precautions and methods for upgrading external PhP4 to PhP5

1. Delete PhP4 in the control panel. If Zend is installed, delete it.

2. Delete c: \ PHP and c: \ windows \ PHP. ini.

3. Install php5.msi in the out-of-the-stars download center. If necessary, install Zend

4. log on to the platform management area, site management, virtual hosts, and modify the shadows of PHP.
Change the original php.exe or php4isapi. DLL to php5isapi. dll.

5.If the server already has an open PHP virtual license, you can click iison the server, and change the original php.exe or php4isapi. DLL to php5isapi. dll.

6. After setting, restart IIS to work properly.