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<?php $a = NAN; var_dump($a == $a); var_dump($a === $a); $a = [NAN]; $b = [NAN]; var_dump($a == $a); var_dump($a === $a); var_dump($a == $b); var_dump($a === $b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VWf7pJ
function name:  (null)
number of ops:  28
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, NAN
    4     1        INIT_FCALL                                                   'var_dump'
          2        IS_EQUAL                                             ~3      !0, !0
          3        SEND_VAL                                                     ~3
          4        DO_ICALL                                                     
    5     5        INIT_FCALL                                                   'var_dump'
          6        IS_IDENTICAL                                         ~5      !0, !0
          7        SEND_VAL                                                     ~5
          8        DO_ICALL                                                     
    7     9        ASSIGN                                                       !0, <array>
    8    10        ASSIGN                                                       !1, <array>
    9    11        INIT_FCALL                                                   'var_dump'
         12        IS_EQUAL                                             ~9      !0, !0
         13        SEND_VAL                                                     ~9
         14        DO_ICALL                                                     
   10    15        INIT_FCALL                                                   'var_dump'
         16        IS_IDENTICAL                                         ~11     !0, !0
         17        SEND_VAL                                                     ~11
         18        DO_ICALL                                                     
   11    19        INIT_FCALL                                                   'var_dump'
         20        IS_EQUAL                                             ~13     !0, !1
         21        SEND_VAL                                                     ~13
         22        DO_ICALL                                                     
   12    23        INIT_FCALL                                                   'var_dump'
         24        IS_IDENTICAL                                         ~15     !0, !1
         25        SEND_VAL                                                     ~15
         26        DO_ICALL                                                     
         27      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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