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<?php var_dump((bool) 1); var_dump((bool) 0); var_dump((bool) -1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JVnD0
function name:  (null)
number of ops:  13
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                                   'var_dump'
          1        BOOL                                                 ~0      1
          2        SEND_VAL                                                     ~0
          3        DO_ICALL                                                     
    3     4        INIT_FCALL                                                   'var_dump'
          5        BOOL                                                 ~2      0
          6        SEND_VAL                                                     ~2
          7        DO_ICALL                                                     
    4     8        INIT_FCALL                                                   'var_dump'
          9        BOOL                                                 ~4      -1
         10        SEND_VAL                                                     ~4
         11        DO_ICALL                                                     
         12      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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