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<?php $data = 'here\'s some data'; var_dump(isset($data['string'])); var_dump(isset($data['string'][0])); var_dump(isset($data[0][0])); var_dump(isset($data[0][0][0])); var_dump(isset($data[10][222][555])); var_dump(isset($data[1])); var_dump(isset($data[1][0]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gNqXR
function name:  (null)
number of ops:  37
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'here%27s+some+data'
    5     1        INIT_FCALL                                               'var_dump'
          2        ISSET_ISEMPTY_DIM_OBJ                         0  ~2      !0, 'string'
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    6     5        INIT_FCALL                                               'var_dump'
          6        FETCH_DIM_IS                                     ~4      !0, 'string'
          7        ISSET_ISEMPTY_DIM_OBJ                         0  ~5      ~4, 0
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
    7    10        INIT_FCALL                                               'var_dump'
         11        FETCH_DIM_IS                                     ~7      !0, 0
         12        ISSET_ISEMPTY_DIM_OBJ                         0  ~8      ~7, 0
         13        SEND_VAL                                                 ~8
         14        DO_ICALL                                                 
    8    15        INIT_FCALL                                               'var_dump'
         16        FETCH_DIM_IS                                     ~10     !0, 0
         17        FETCH_DIM_IS                                     ~11     ~10, 0
         18        ISSET_ISEMPTY_DIM_OBJ                         0  ~12     ~11, 0
         19        SEND_VAL                                                 ~12
         20        DO_ICALL                                                 
    9    21        INIT_FCALL                                               'var_dump'
         22        FETCH_DIM_IS                                     ~14     !0, 10
         23        FETCH_DIM_IS                                     ~15     ~14, 222
         24        ISSET_ISEMPTY_DIM_OBJ                         0  ~16     ~15, 555
         25        SEND_VAL                                                 ~16
         26        DO_ICALL                                                 
   10    27        INIT_FCALL                                               'var_dump'
         28        ISSET_ISEMPTY_DIM_OBJ                         0  ~18     !0, 1
         29        SEND_VAL                                                 ~18
         30        DO_ICALL                                                 
   11    31        INIT_FCALL                                               'var_dump'
         32        FETCH_DIM_IS                                     ~20     !0, 1
         33        ISSET_ISEMPTY_DIM_OBJ                         0  ~21     ~20, 0
         34        SEND_VAL                                                 ~21
         35        DO_ICALL                                                 
         36      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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