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<?php $NaN = sqrt(-1); var_dump($NaN === $NaN); var_dump(array($NaN) === array($NaN)); $a = array($NaN); $b = $a; var_dump($a === $b); reset($b); var_dump($a === $b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gHjG0
function name:  (null)
number of ops:  29
compiled vars:  !0 = $NaN, !1 = $a, !2 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'sqrt'
          1        SEND_VAL                                                 -1
          2        DO_ICALL                                         $3      
          3        ASSIGN                                                   !0, $3
    5     4        INIT_FCALL                                               'var_dump'
          5        IS_IDENTICAL                                     ~5      !0, !0
          6        SEND_VAL                                                 ~5
          7        DO_ICALL                                                 
    6     8        INIT_FCALL                                               'var_dump'
          9        INIT_ARRAY                                       ~7      !0
         10        INIT_ARRAY                                       ~8      !0
         11        IS_IDENTICAL                                     ~9      ~7, ~8
         12        SEND_VAL                                                 ~9
         13        DO_ICALL                                                 
    8    14        INIT_ARRAY                                       ~11     !0
         15        ASSIGN                                                   !1, ~11
    9    16        ASSIGN                                                   !2, !1
   11    17        INIT_FCALL                                               'var_dump'
         18        IS_IDENTICAL                                     ~14     !1, !2
         19        SEND_VAL                                                 ~14
         20        DO_ICALL                                                 
   13    21        INIT_FCALL                                               'reset'
         22        SEND_REF                                                 !2
         23        DO_ICALL                                                 
   15    24        INIT_FCALL                                               'var_dump'
         25        IS_IDENTICAL                                     ~17     !1, !2
         26        SEND_VAL                                                 ~17
         27        DO_ICALL                                                 
         28      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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