3v4l.org

run code in 300+ PHP versions simultaneously
<?php function& test($arr = array()) { var_dump($arr); return $arr; } $arr =& test(); var_dump($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jsHV7
function name:  (null)
number of ops:  7
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'test'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN_REF                                               !0, $1
    7     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/jsHV7
function name:  test
number of ops:  6
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV_INIT                                        !0      <array>
    3     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    4     4      > RETURN_BY_REF                                            !0
    5     5*     > RETURN_BY_REF                                            null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.16 ms | 1397 KiB | 16 Q