3v4l.org

run code in 300+ PHP versions simultaneously
<? function &myfoo(){ return $arr="qwe"; } $a=myfoo(); var_dump($a);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HACjo
function name:  (null)
number of ops:  7
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'myfoo'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
    7     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Function myfoo:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/HACjo
function name:  myfoo
number of ops:  3
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                           ~1      !0, 'qwe'
          1      > RETURN_BY_REF                                            ~1
    4     2*     > RETURN_BY_REF                                            null

End of function myfoo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
182.32 ms | 1396 KiB | 16 Q