Hi,
The PHP 7.0.0 (or 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5) addon is for Wampserver 3. There is no addon for Wampserver 2.5.
If you are not sure you have installed all VC packages, install ALL packages VC ++ as is mentioned in item No. 20 of
TROUBLESHOOTING TIPS.
If you have installed them, for PHP 7.0.1 and newer, you must install update 1 of VC14, as mentionned in the install process :
PHP 7.0.1 and newer is build with Visual Studio® 2015 Update 1 (VC14)
Before to install this addon, be sure you have installed the Visual C++ Redistributable for Visual Studio 2015 Update 1. If not, running PHP 7.0.1 will cause system errors and it may even crash your system.
Download and install, if you not have it already, from:
[
www.microsoft.com]
The two files vcredist_x86.exe and vcredist_x64.exe to be download are on the same page.
If you have a 64-bit Windows, you must install both 32 and 64bit versions, even if you do not use Wampserver 64 bit.
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Wampserver install files & addons