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<?php $foo = -400; echo "negated $foo"; var_dump(!$foo); var_dump($foo > 1); var_dump(!$foo > 1); $bar = 400; var_dump($foo); var_dump(!$foo); var_dump($foo > 1); var_dump(!$foo > 1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iqbht
function name:  (null)
number of ops:  35
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, -400
    4     1        NOP                                                      
          2        FAST_CONCAT                                      ~3      'negated+', !0
          3        ECHO                                                     ~3
    5     4        INIT_FCALL                                               'var_dump'
          5        BOOL_NOT                                         ~4      !0
          6        SEND_VAL                                                 ~4
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'var_dump'
          9        IS_SMALLER                                       ~6      1, !0
         10        SEND_VAL                                                 ~6
         11        DO_ICALL                                                 
    7    12        INIT_FCALL                                               'var_dump'
         13        BOOL_NOT                                         ~8      !0
         14        IS_SMALLER                                       ~9      1, ~8
         15        SEND_VAL                                                 ~9
         16        DO_ICALL                                                 
   10    17        ASSIGN                                                   !1, 400
   11    18        INIT_FCALL                                               'var_dump'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                                 
   12    21        INIT_FCALL                                               'var_dump'
         22        BOOL_NOT                                         ~13     !0
         23        SEND_VAL                                                 ~13
         24        DO_ICALL                                                 
   13    25        INIT_FCALL                                               'var_dump'
         26        IS_SMALLER                                       ~15     1, !0
         27        SEND_VAL                                                 ~15
         28        DO_ICALL                                                 
   14    29        INIT_FCALL                                               'var_dump'
         30        BOOL_NOT                                         ~17     !0
         31        IS_SMALLER                                       ~18     1, ~17
         32        SEND_VAL                                                 ~18
         33        DO_ICALL                                                 
         34      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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