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<?php (string) 0; (string) "0"; var_dump(false); // false (bool) 0.0; // false (bool) "0.0"; // true var_dump( "" ); // "" var_dump( "\0" ); // "" var_dump( (bool) "" ); // false var_dump( (bool) "\0" ); // true var_dump((string) 1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/N9oFP
function name:  (null)
number of ops:  28
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   CAST                                          6  ~0      0
          1        FREE                                                     ~0
    3     2        CAST                                          6  ~1      '0'
          3        FREE                                                     ~1
    4     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAL                                                 <false>
          6        DO_ICALL                                                 
    6     7        BOOL                                             ~3      0
    7     8        BOOL                                             ~4      '0.0'
    9     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAL                                                 ''
         11        DO_ICALL                                                 
   10    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAL                                                 '%00'
         14        DO_ICALL                                                 
   12    15        INIT_FCALL                                               'var_dump'
         16        BOOL                                             ~7      ''
         17        SEND_VAL                                                 ~7
         18        DO_ICALL                                                 
   13    19        INIT_FCALL                                               'var_dump'
         20        BOOL                                             ~9      '%00'
         21        SEND_VAL                                                 ~9
         22        DO_ICALL                                                 
   14    23        INIT_FCALL                                               'var_dump'
         24        CAST                                          6  ~11     1
         25        SEND_VAL                                                 ~11
         26        DO_ICALL                                                 
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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