---- EXPECTED OUTPUT
Unset and recreate a protected property from property's declaring class scope:
object(D)#%d (1) {
  ["p":protected]=>
  string(7) "changed"
}

Unset and recreate a protected property from subclass:
object(D)#%d (1) {
  ["p":protected]=>
  string(12) "changed in D"
}

Unset a protected property, and attempt to recreate it outside of scope (expected failure):

Fatal error: Uncaught Error: Cannot access protected property %s::$p in %s:32
Stack trace:
#0 {main}
  thrown in %s on line 32
---- ACTUAL OUTPUT
Usage: php
      php -[b|c|n|h|i|q|s|v|?] [<file>] [args...]
  Run in LSAPI mode, only '-b', '-s' and '-c' are effective
  Run in Command Line Interpreter mode when parameters are specified

  -b <address:port>|<port> Bind Path for external LSAPI Server mode
  -c <path>|<file> Look for php.ini file in this directory
  -n    No php.ini file will be used
  -h    This help
  -i    PHP information
  -l    Syntax check
  -q    Quiet-mode.  Suppress HTTP Header output.
  -s    Display colour syntax highlighted source.
  -v    Version number
  -?    This help

  args...    Arguments passed to script.
---- FAILED