Introduce vdn-php

Run a forwarded PHP 8.2 server using VDN.

bin/vdn-php

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+set -eu
+
+trap "trap - SIGTERM && kill -- -$$" SIGINT SIGTERM EXIT
+
+GUEST_SYS=debian-1
+MOUNT_POINT=/tmp/vdn-php
+
+redirected=8000
+for (( i=2; i <= "$#"; i++ )); do
+  prev=$(( i - 1 ))
+  if [[ ${!prev} == '-S' ]]; then
+    redirected=$(awk -F ':' '{print $NF}' <<< ${!i})
+  fi
+done
+
+vdn-set-network-dir ~vdn/vdn/networks/docker
+
+if ! vdn-alive $GUEST_SYS; then
+  vdn-start -b $GUEST_SYS
+  until vdn-ssh root@$GUEST_SYS : &> /dev/null; do
+    sleep 2
+  done
+fi
+
+vdn-ssh root@$GUEST_SYS 'apt-get install -y php8.2-curl php8.2-mbstring php8.2-mysql php8.2-pgsql php8.2-sqlite3 php8.2-xdebug php8.2-xml php8.2-zip'
+
+ncat -l -p 45678 -e /usr/lib/openssh/sftp-server &
+
+vdn-ssh \
+  -R 45679:127.0.0.1:45678 \
+  -L $redirected:127.0.0.1:$redirected \
+  test@$GUEST_SYS \
+  "mkdir -p ${MOUNT_POINT}; sshfs localhost: ${MOUNT_POINT} -o directport=45679; cd ${MOUNT_POINT}; fuser -k $redirected/tcp; php $*"