1.psr

# dnf --enablerepo=PowerTools install libedit-devel

# yum install autoconf automake gcc krb5-devel libtool libxm2-devel openssl-devel pcre2-devel php74-php-cli zlib-devel

# dnf --enablerepo=remi install php74-php-devel php-devel

https://github.com/jbboehr/php-psr

2.phalcon( must be gcc >=5.0)

git clone --depth=1 "git://github.com/phalcon/cphalcon.git"
cd cphalcon/build
sudo ./install