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<?php var_dump(empty(0)); var_dump(empty(false)); var_dump(empty(1)); var_dump(empty(true)); $a = []; var_dump(empty($a[0]['hi']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TUV6H
function name:  (null)
number of ops:  19
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        SEND_VAL                                                 <true>
          2        DO_ICALL                                                 
    4     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAL                                                 <true>
          5        DO_ICALL                                                 
    5     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAL                                                 <false>
          8        DO_ICALL                                                 
    6     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAL                                                 <false>
         11        DO_ICALL                                                 
    8    12        ASSIGN                                                   !0, <array>
    9    13        INIT_FCALL                                               'var_dump'
         14        FETCH_DIM_IS                                     ~6      !0, 0
         15        ISSET_ISEMPTY_DIM_OBJ                         1  ~7      ~6, 'hi'
         16        SEND_VAL                                                 ~7
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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