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

Generated using Vulcan Logic Dumper, using php 8.0.0


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