Phosphorus and Lime

// form wizard load stack

# script file (e.g. 'signup.php')

# script file -> include driver file (in stage directory)

# script file controller (set $WIZ['id'], preload config)

# call cx_wizard($WIZ['id'])

# cx_wizard frontend -> sets stage number

# cx_wizard -> include stage file (in stage directory)

# stage
# _review
# _dump
# _backend -> _backend_stack

# cx_wizard backend -> redirect(SELF)