Shell para php

pessoal tenho alguns script em shell bash

e to afim de tranformar eles em php pra ficar mais bonitinho

segue meu script
#! /bin/sh

echo -n " Informe o Dominio : "
read dominio
echo -n " Informe o IP Primario : "
read ippri

echo -n " Informe o IP Secundario : "
read ipsec
echo " " >> /mydnsche/etc/named.conf
printf "zone \"$dominio\" IN { \n" >> /mydnsche/etc/named.conf
echo " type master;" >> /mydnsche/etc/named.conf
printf " file \"$dominio\"; \n" >> /mydnsche/etc/named.conf
echo "};" >> /mydnsche/etc/named.conf

touch /mydnsche/var/named/$dominio

echo '$TTL 86400' >> /mydnsche/var/named/$dominio
echo "@ IN SOA ${dominio}. hostmaster.${dominio}. (" >> /mydnsche/var/named/$dominio
echo " 0000000001" >> /mydnsche/var/named/$dominio
echo " 3600" >> /mydnsche/var/named/$dominio
echo " 900" >> /mydnsche/var/named/$dominio
echo " 604800" >> /mydnsche/var/named/$dominio
echo " 86400 )" >> /mydnsche/var/named/$dominio
echo " " >> /mydnsche/var/named/$dominio
echo " IN NS ns1.${dominio}." >> /mydnsche/var/named/$dominio
echo " IN NS ns2.${dominio}." >> /mydnsche/var/named/$dominio
echo " IN MX 10 mail.${dominio}." >> /mydnsche/var/named/$dominio
echo " IN A $ippri" >> /mydnsche/var/named/$dominio
echo "ns1 IN A $ippri" >> /mydnsche/var/named/$dominio
echo "ns2 IN A $ipsec" >> /mydnsche/var/named/$dominio
echo "mail IN A $ippri" >> /mydnsche/var/named/$dominio
echo "www IN A $ippri" >> /mydnsche/var/named/$dominio
echo "ftp IN A $ippri" >> /mydnsche/var/named/$dominio

touch /mydnsche/etc/apache/dominios/$dominio
mkdir /mydnsche/var/www/pages/$dominio -p
echo "<VirtualHost www.${dominio}>" >> /mydnsche/etc/apache/dominios/$dominio
echo " ServerAdmin webmaster@${dominio}" >> /mydnsche/etc/apache/dominios/$dominio
echo " DocumentRoot /var/www/pages/${dominio}" >> /mydnsche/etc/apache/dominios/$dominio
echo " ServerName www.${dominio}" >> /mydnsche/etc/apache/dominios/$dominio
echo " ServerAlias ${dominio}" >> /mydnsche/etc/apache/dominios/$dominio
printf " ScriptAlias /cgi-bin/ \"/var/www/pages/${dominio}/cgi-bin/\" \n" >> /mydnsche/etc/apache/dominios/$dominio
echo " ErrorLog /var/log/apache/dominios/${dominio}-error.log" >> /mydnsche/etc/apache/dominios/$dominio
echo " CustomLog /var/log/apache/dominios/${dominio}-access.log combined" >> /mydnsche/etc/apache/dominios/$dominio
echo "<Directory /var/www/pages/${dominio}>" >> /mydnsche/etc/apache/dominios/$dominio
echo " Options Indexes Multiviews" >> /mydnsche/etc/apache/dominios/$dominio
echo " AllowOverride None" >> /mydnsche/etc/apache/dominios/$dominio
echo " Order Deny,Allow" >> /mydnsche/etc/apache/dominios/$dominio
echo " Allow From All" >> /mydnsche/etc/apache/dominios/$dominio
echo "</Directory>" >> /mydnsche/etc/apache/dominios/$dominio
echo "</VirtualHost>" >> /mydnsche/etc/apache/dominios/$dominio

elguem pode me ensinar a escrever eles em php