php -v告诉我这个

PHP 5.5.9-1ubuntu4.19 (cli) (built: Jul 28 2016 19:31:33) 
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies
with Zend OPcache v7.0.3, Copyright (c) 1999-2014, by Zend Technologies

我想将它升级到php 5.6.4

我不确定我找到谁有PHP 5.5.9deb版本的解决方案.

解决方法:

找到答案here：

sudo apt-get -y update
sudo add-apt-repository ppa:ondrej/php
sudo apt-get -y update
sudo apt-get -y install php5.6 php5.6-mcrypt php5.6-mbstring php5.6-curl php5.6-cli php5.6-mysql php5.6-gd php5.6-intl php5.6-xsl php5.6-zip
php -v