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<?php $somevar[0] = array('foo'); var_dump(empty($somevar[0][1][2][3][4])); var_dump(isset($somevar[0][1][2][3][4]));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aBKVI
function name:  (null)
number of ops:  19
compiled vars:  !0 = $somevar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN_DIM                                               !0, 0
          1        OP_DATA                                                  <array>
    3     2        INIT_FCALL                                               'var_dump'
          3        FETCH_DIM_IS                                     ~2      !0, 0
          4        FETCH_DIM_IS                                     ~3      ~2, 1
          5        FETCH_DIM_IS                                     ~4      ~3, 2
          6        FETCH_DIM_IS                                     ~5      ~4, 3
          7        ISSET_ISEMPTY_DIM_OBJ                         1  ~6      ~5, 4
          8        SEND_VAL                                                 ~6
          9        DO_ICALL                                                 
    4    10        INIT_FCALL                                               'var_dump'
         11        FETCH_DIM_IS                                     ~8      !0, 0
         12        FETCH_DIM_IS                                     ~9      ~8, 1
         13        FETCH_DIM_IS                                     ~10     ~9, 2
         14        FETCH_DIM_IS                                     ~11     ~10, 3
         15        ISSET_ISEMPTY_DIM_OBJ                         0  ~12     ~11, 4
         16        SEND_VAL                                                 ~12
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.85 ms | 1394 KiB | 15 Q