Compiling and installing phpredis extension on MAC

Installation steps ：
1： download phpredis
Download address ：【https://pecl.php.net/package/redis】, Select the required extended version
2： Unzip and download the installation package , And unzip it to get the folder redis-3.1.1RC2（ The version I downloaded ）
3： Open the command line tool , Enter into redis-3.1.1RC2 Under the table of contents
4： Carry out orders

sudo /Applications/MAMP/bin/php/php7.2.22/bin/phpize

（php The absolute path of the directory where the environment is located ）

5： Carry out orders

sudo ./configure --with-php-config=/Applications/MAMP/bin/php/php7.2.22/bin/php-config

sudo make

sudo make install

Finally, the output is successful ：

Installing shared extensions:     /Applications/MAMP/bin/php/php7.2.22/lib/php/extensions/no-debug-non-zts-20170718/

Under the above folder , Will generate redis.so file

6： find phpinfo Point to the php.ini file
7： stay php.ini New extension in file

extension=redis.so

notes ： Make sure that redis.so Location and extension_dir Pointing to the directory is consistent
8： restart php
9： restart nginx

remarks ： If it is an old project that is pulled from the online or copied to the local , Best to confirm phpinfo in redis Extended version number , The compiled version shall be consistent with the online version number , Otherwise, compatibility problems may occur ,