3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class one extends two {} class two extends one {}
Finding entry points
Branch analysis from position: 0
Jump found. (Code = 62) Position 1 = -2
filename:       /in/CBK5V
function name:  (null)
number of ops:  5
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   FETCH_CLASS                                   0  :0      'two'
         1        DECLARE_INHERITED_CLASS                          $1      'one', $0
   3     2        FETCH_CLASS                                   0  :2      'one'
         3        DECLARE_INHERITED_CLASS                          $3      'two', $2
         4      > RETURN                                                   1

Class one: [no user functions]
Class two: [no user functions]

Generated using Vulcan Logic Dumper, using php 7.3.0