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<?php $empty = ''; $null = NULL; $bool = FALSE; $notSet; $array = array(); var_dump(empty($empty)); var_dump(is_null($empty)); var_dump(isset($empty)); var_dump((bool)$empty);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/t9i33
function name:  (null)
number of ops:  21
compiled vars:  !0 = $empty, !1 = $null, !2 = $bool, !3 = $notSet, !4 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, ''
    4     1        ASSIGN                                                   !1, null
    5     2        ASSIGN                                                   !2, <false>
    7     3        ASSIGN                                                   !4, <array>
   10     4        INIT_FCALL                                               'var_dump'
          5        ISSET_ISEMPTY_CV                                 ~9      !0
          6        SEND_VAL                                                 ~9
          7        DO_ICALL                                                 
   11     8        INIT_FCALL                                               'var_dump'
          9        TYPE_CHECK                                    2  ~11     !0
         10        SEND_VAL                                                 ~11
         11        DO_ICALL                                                 
   12    12        INIT_FCALL                                               'var_dump'
         13        ISSET_ISEMPTY_CV                                 ~13     !0
         14        SEND_VAL                                                 ~13
         15        DO_ICALL                                                 
   13    16        INIT_FCALL                                               'var_dump'
         17        BOOL                                             ~15     !0
         18        SEND_VAL                                                 ~15
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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