How to install PHP Opcache on MacOS High Sierra?

php macos php-7.1 macos-high-sierra opcache

For me it worked by these steps:

Search extension_dir in "phpinfo()" page, I got a path /usr/lib/php/extensions/no-debug-non-zts-20160303
By execute ls -lh /usr/lib/php/extensions/no-debug-non-zts-20160303, I found "opcache.so" , I guess it's installed when upgraded to "High Sierra"
Create "/etc/php.ini" (by copy "/etc/php.ini.default"), and modify:

[opcache]zend_extension = opcache.soopcache.enable = 1

EDIT / CONCLUSION

Since "opcache extension" is installed on Mac OS High Sierra by default, the solution of enabling opcahe on Mac OS High Sierra is:

Create "/etc/php.ini" if you don't have one, by simply copy the default configuration: sudo cp /etc/php.ini.default /etc/php.ini
Add zend_extension = opcache.so to /etc/php.ini and set "opcache" enable:

php.ini opcache section looks like:

[opcache]zend_extension = opcache.soopcache.enable = 1

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