Hi,
With Wampserver
NEVER put the path to PHP in the Windows PATH.
I have thirteen* versions of PHP and
none is in the PATH and all versions work perfectly. Put a path to PHP in the Windows path only serves to create big hassles.
*5.3.29, 5.4.45, 5.5.30, 5.5.31, 5.5.32, 5.6.15, 5.6.16, 5.6.17, 5.6.18, 7.0.0, 7.0.1, 7.0.2, 7.0.3
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Documentation Apache -
Documentation PHP -
Documentation MySQL -
Wampserver install files & addons