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<?php $arr = []; function test() { global $arr; return $arr[] = 'test'; } var_dump(test(), $arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hnUBJ
function name:  (null)
number of ops:  8
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   11     1        INIT_FCALL                                               'var_dump'
          2        INIT_FCALL                                               'test'
          3        DO_FCALL                                      0  $2      
          4        SEND_VAR                                                 $2
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hnUBJ
function name:  test
number of ops:  5
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   BIND_GLOBAL                                              !0, 'arr'
    8     1        ASSIGN_DIM                                       ~1      !0
          2        OP_DATA                                                  'test'
          3      > RETURN                                                   ~1
    9     4*     > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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