1. Install the signing key for the PPA (which also adds the sources to apt):
add-apt-repository ppa:ondrej/php5If the above command is not available, install it using:
代码如下 | 复制代码 |
apt-get install python-software-properties |
2. Now update the package database and then upgrade the system. As part of upgrading, PHP 5.4 will be installed automatically:
代码如下 | 复制代码 |
apt-get update |
# php -v // will show you the latest php version.