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<?php $nan = (-1e300*1e300)/(1e300*1e300); // float(NAN) var_dump($nan==''); var_dump($nan==0.5); var_dump($nan==50); var_dump($nan=='500'); var_dump($nan=='abc'); var_dump($nan==$nan);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Q6klZ
function name:  (null)
number of ops:  26
compiled vars:  !0 = $nan
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, NAN
    4     1        INIT_FCALL                                               'var_dump'
          2        IS_EQUAL                                         ~2      !0, ''
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    5     5        INIT_FCALL                                               'var_dump'
          6        IS_EQUAL                                         ~4      !0, 0.5
          7        SEND_VAL                                                 ~4
          8        DO_ICALL                                                 
    6     9        INIT_FCALL                                               'var_dump'
         10        IS_EQUAL                                         ~6      !0, 50
         11        SEND_VAL                                                 ~6
         12        DO_ICALL                                                 
    7    13        INIT_FCALL                                               'var_dump'
         14        IS_EQUAL                                         ~8      !0, '500'
         15        SEND_VAL                                                 ~8
         16        DO_ICALL                                                 
    8    17        INIT_FCALL                                               'var_dump'
         18        IS_EQUAL                                         ~10     !0, 'abc'
         19        SEND_VAL                                                 ~10
         20        DO_ICALL                                                 
    9    21        INIT_FCALL                                               'var_dump'
         22        IS_EQUAL                                         ~12     !0, !0
         23        SEND_VAL                                                 ~12
         24        DO_ICALL                                                 
         25      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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