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<?php namespace Foo; define('true', false); define('false', true); define('Foo\\false', true); var_dump( true, false, 1 === 1, 1 === 0 );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VmUft
function name:  (null)
number of ops:  19
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_NS_FCALL_BY_NAME                                    'Foo%5Cdefine'
          1        SEND_VAL_EX                                              'true'
          2        SEND_VAL_EX                                              <false>
          3        DO_FCALL                                      0          
    4     4        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cdefine'
          5        SEND_VAL_EX                                              'false'
          6        SEND_VAL_EX                                              <true>
          7        DO_FCALL                                      0          
    5     8        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cdefine'
          9        SEND_VAL_EX                                              'Foo%5Cfalse'
         10        SEND_VAL_EX                                              <true>
         11        DO_FCALL                                      0          
    7    12        INIT_NS_FCALL_BY_NAME                                    'Foo%5Cvar_dump'
    8    13        SEND_VAL_EX                                              <true>
    9    14        SEND_VAL_EX                                              <false>
   10    15        SEND_VAL_EX                                              <true>
   11    16        SEND_VAL_EX                                              <false>
         17        DO_FCALL                                      0          
   12    18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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