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<?php var_dump($var = 'a'); var_dump($var = ''); var_dump(!!($var = 'a')); var_dump(!!($var = ''));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/h94FE
function name:  (null)
number of ops:  21
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        ASSIGN                                           ~1      !0, 'a'
          2        SEND_VAL                                                 ~1
          3        DO_ICALL                                                 
    4     4        INIT_FCALL                                               'var_dump'
          5        ASSIGN                                           ~3      !0, ''
          6        SEND_VAL                                                 ~3
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'var_dump'
          9        ASSIGN                                           ~5      !0, 'a'
         10        BOOL_NOT                                         ~6      ~5
         11        BOOL_NOT                                         ~7      ~6
         12        SEND_VAL                                                 ~7
         13        DO_ICALL                                                 
    7    14        INIT_FCALL                                               'var_dump'
         15        ASSIGN                                           ~9      !0, ''
         16        BOOL_NOT                                         ~10     ~9
         17        BOOL_NOT                                         ~11     ~10
         18        SEND_VAL                                                 ~11
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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