cp /etc/httpd/conf/httpd.conf /etc/httpd/conf/httpd.conf.20170226
yum remove httpd* php* mod_ssl
yum install httpd24 mod24_ssl php56 php56-mysqlnd php56-common php56-gd php56-mbstring php56-mcrypt php56-devel php56-xml
vim /etc/httpd/conf/httpd.conf
<IfModule prefork.c> StartServers 30 MinSpareServers 30 MaxSpareServers 45 ServerLimit 4000 MaxRequestWorkers 4000 MaxConnectionsPerChild 4000 </IfModule> KeepAlive off Include /etc/httpd/conf/extra/httpd-vhosts.conf
vim /etc/php.ini
max_input_vars = 50000
/etc/init.d/httpd restart
chkconfig httpd on