Install PHP4 on CentOS 5.5 Rumi, September 6, 2014 1. Install Apache yum install httpd 2. Install Mysql yum install mysql mysql-server php-mysql 3. Install dependencies yum install flex gcc* bison bison-devel httpd-devel make 4. Download PHP4 cource wget http://lu2.php.net/get/php-4.4.9.tar.gz/from/my2.php.net/mirror Continue Reading