https://github.com/lifenglsf/php_memcached_dll

php-memcached for windows

• php-memcached dependency libmemcached

   copy libmemcached.dll to c:\Windows 
  

• install php-memcached copy php-memcached.dll to you php extension directory notice:Note the version of PHP and thread safety whether or not
• memcached_support: 3.1.4

  name	is_support
  SASL support	no
  Session support	yes
  igbinary support	no
  json support	yes
  msgpack support	no

  3.1.5

  name	is_support
  SASL support	no
  Session support	yes
  igbinary support	yes
  json support	yes
  msgpack support	yes

  pre3.2.0

  name	is_support
  SASL support	no
  Session support	yes
  igbinary support	yes
  json support	yes
  msgpack support	yes

version>=3.15

• basic support session and json
• igbinary support session and json and igbinary must download igbinary.dll and configure it to php.ini
• msgpack support session and json and msgpack must download msgpack.dll and configure it to php.ini

Tips: ucrtbased.dll missing copy ucrtbased to system32 or SysWOW64