PHP Add pcntl Extension

Install some PHP extensions, refer to the PHP manual, and then add the sections that need to be explained to install PHP extension Pcntl as an example.

#查看当前php版本123456deMacBook-pro:~ admin$ php-vphp 5.5.14 (CLI) (built:sep  9 19:09:25) Copyright (c) 1997-2014 the PHP groupzend Engine v2.5.0, Copyright (c) 1998-2014 Zend technologies# to php.net download the corresponding PHP package # After downloading, switch directories, follow the steps below sh-3.2# TAR-ZXVF php-5.5.14.tar.gzsh-3.2# CD php-5.5.14/ext/pcntl/sh-3.2# mac may fail, separate operation, add sudo below each command to sh-3.2# sudo phpizesh-3.2# sudo/configuresh-3.2# sudo make testsh-3.2# sudo make installsh-3.2# #也可以直接操作 phpize &&./configur e && make install sh-3.2# echo "extension=pcntl.so" >>/etc/php.inish-3.2# apachectl restartchecking if ever Ything is ok.sh-3.2# php-m | grep pcntlpcntl

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