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<?php $x = new SplFixedArray(1); $x[0] *= 2; $y = null; $y *= 2; var_dump($x[0]); var_dump($y);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ktWVJ
function name:  (null)
number of ops:  16
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'SplFixedArray'
          1        SEND_VAL_EX                                              1
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    3     4        ASSIGN_DIM_OP                *=               3          !0, 0
          5        OP_DATA                                                  2
    5     6        ASSIGN                                                   !1, null
    6     7        ASSIGN_OP                                     3          !1, 2
    7     8        INIT_FCALL                                               'var_dump'
          9        FETCH_DIM_R                                      ~8      !0, 0
         10        SEND_VAL                                                 ~8
         11        DO_ICALL                                                 
    8    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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