What should I do if php cannot find memcache?

php cannot find the solution to memcache: 1. Write a phpinfo view file, the content is ""; 2. Find the location of php.ini; 3. Detect the ext directory in php.ini; 4. Check whether the ext directory is in the system environment variable.

The operating environment of this article: Windows7 system, PHP7.1 version, DELL G3 computer

1. Write a phpinfo to view the file< ;?php phpinfo();?>

2. Then search for php.ini in phpinfo to find the location of php.ini, and confirm that the php.ini you modified and the actual running php.ini are the same file .

3. Check whether the ext directory in php.ini is the directory where you put php_memcache.dll

4. Check whether the ext directory of php is in the system environment variable.

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