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<?php $string = 'cba'; var_dump(isset($string['test'])); // true var_dump(!empty($string['test'])); //true var_dump($string['test']); // a
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GdhWZ
function name:  (null)
number of ops:  15
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'cba'
    3     1        INIT_FCALL                                               'var_dump'
          2        ISSET_ISEMPTY_DIM_OBJ                         0  ~2      !0, 'test'
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    4     5        INIT_FCALL                                               'var_dump'
          6        ISSET_ISEMPTY_DIM_OBJ                         1  ~4      !0, 'test'
          7        BOOL_NOT                                         ~5      ~4
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
    6    10        INIT_FCALL                                               'var_dump'
         11        FETCH_DIM_R                                      ~7      !0, 'test'
         12        SEND_VAL                                                 ~7
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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