3v4l.org

run code in 300+ PHP versions simultaneously
<?php class b { public $a = 'a'; } function lala(b $a) { $a->a = 'b'; echo $a->a; } $d = new b(); lala($d); echo $d->a;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CkP7M
function name:  (null)
number of ops:  9
compiled vars:  !0 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   NEW                                              $1      'b'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   14     3        INIT_FCALL                                               'lala'
          4        SEND_VAR                                                 !0
          5        DO_FCALL                                      0          
   16     6        FETCH_OBJ_R                                      ~5      !0, 'a'
          7        ECHO                                                     ~5
          8      > RETURN                                                   1

Function lala:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CkP7M
function name:  lala
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   RECV                                             !0      
   10     1        ASSIGN_OBJ                                               !0, 'a'
          2        OP_DATA                                                  'b'
   11     3        FETCH_OBJ_R                                      ~2      !0, 'a'
          4        ECHO                                                     ~2
   12     5      > RETURN                                                   null

End of function lala

Class b: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.31 ms | 1397 KiB | 14 Q