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<?php $var = ['foo' => 'bar']; var_dump($var['foo']); $var['foo'] = null; var_dump($var['foo']); unset($var['foo']); var_dump($var['foo']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/eistu
function name:  (null)
number of ops:  17
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'var_dump'
          2        FETCH_DIM_R                                      ~2      !0, 'foo'
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    6     5        ASSIGN_DIM                                               !0, 'foo'
          6        OP_DATA                                                  null
    7     7        INIT_FCALL                                               'var_dump'
          8        FETCH_DIM_R                                      ~5      !0, 'foo'
          9        SEND_VAL                                                 ~5
         10        DO_ICALL                                                 
    9    11        UNSET_DIM                                                !0, 'foo'
   10    12        INIT_FCALL                                               'var_dump'
         13        FETCH_DIM_R                                      ~7      !0, 'foo'
         14        SEND_VAL                                                 ~7
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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