The solution to the lack of pcntl extension under MAMP, fatal error: call to undefined function pcntl_ signal()

mac By default, the self-contained PHP, Cause configuration mamp Of PHP Never succeed

1. How to use the default PHP Replace with mamp Integrated environment PHP

• modify bash Configuration in

 //  Open profile 
  vim .bash_profile

  //  Add the configuration 
  export PATH="/Applications/MAMP/bin/php/php7.1.20/bin:$PATH"

  //  Profile validation 
  source .bash_profile

• modify zsh Configuration in

  //  Open profile 
  vim .zshrc

  //  Add the configuration 
  export PATH="/Applications/MAMP/bin/php/php7.1.20/bin:$PATH"

  //  Profile validation   There are still questions 
  source .zshrc

2. add to pcntl Expand

1. Download the corresponding version of PHP http://www.php.net/releases/
2. Unzip the file tar -xzvf php-7.1.20.tar.gz
3. Get into pcntl Catalog cd php-7.1.20/ext/pcntl
4. Conduct phpize variation /Applications/MAMP/bin/php/php7.1.20/bin/phpize
5. Carry out orders ./configure
   –with-php-config=/Applications/MAMP/bin/php/php7.1.20/bin/php-config --prefix=/Applications/MAMP/bin/php/php7.1.20/bin/php
6. make compile `make && make install
7. The terminal displays the following information , That is success

Installing shared extensions:     /Applications/MAMP/bin/php/php7.1.20/lib/php/extensions/no-debug-non-zts-20170718/

8. open mamp Corresponding version php The configuration file of add extension=pcntl.so

MAMP PRO menu->File ->Edit Template->PHP->7.1.20

9. perform php --ri pcntl after , Terminal display pcntl pcntl support => enabled That's it .

Reference documents
https://www.jianshu.com/p/ec88a61a0fa8

https://stackoverflow.com/questions/47806090/how-to-enable-pcntl-extensions-in-mamp-pro/50266295