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<?php error_reporting(E_ALL); $foo = array("bar"); $result = isset($foo["bar"]["foo"]["bar"]["foo"][0][1][2][3]); //Doesn't exist var_dump($result); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pT5tH
function name:  (null)
number of ops:  17
compiled vars:  !0 = $foo, !1 = $result
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 32767
          2        DO_ICALL                                                 
    3     3        ASSIGN                                                   !0, <array>
    4     4        FETCH_DIM_IS                                     ~4      !0, 'bar'
          5        FETCH_DIM_IS                                     ~5      ~4, 'foo'
          6        FETCH_DIM_IS                                     ~6      ~5, 'bar'
          7        FETCH_DIM_IS                                     ~7      ~6, 'foo'
          8        FETCH_DIM_IS                                     ~8      ~7, 0
          9        FETCH_DIM_IS                                     ~9      ~8, 1
         10        FETCH_DIM_IS                                     ~10     ~9, 2
         11        ISSET_ISEMPTY_DIM_OBJ                         0  ~11     ~10, 3
         12        ASSIGN                                                   !1, ~11
    5    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                                 
    6    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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