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<?php $arr = false; error_reporting(E_ALL); var_dump($arr['foo']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZWcZh
function name:  (null)
number of ops:  9
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <false>
    5     1        INIT_FCALL                                               'error_reporting'
          2        SEND_VAL                                                 32767
          3        DO_ICALL                                                 
    7     4        INIT_FCALL                                               'var_dump'
          5        FETCH_DIM_R                                      ~3      !0, 'foo'
          6        SEND_VAL                                                 ~3
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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