3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $bar = 'B'; } class B {} $foo = new A(); $obj = new $foo->bar(); var_dump($obj);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/S9gLf
function name:  (null)
number of ops:  12
compiled vars:  !0 = $foo, !1 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   NEW                                              $2      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   10     3        FETCH_OBJ_R                                      ~5      !0, 'bar'
          4        FETCH_CLASS                                   0  $6      ~5
          5        NEW                                              $7      $6
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $7
   12     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Class A: [no user functions]
Class B: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
206.73 ms | 1394 KiB | 15 Q