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<?php $b = null; var_dump($a); var_dump($b); var_dump($a==null); var_dump($b==null); var_dump($a===null); var_dump($b===null);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/q0tPV
function name:  (null)
number of ops:  24
compiled vars:  !0 = $b, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, null
    5     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !1
          3        DO_ICALL                                                 
    6     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
    8     7        INIT_FCALL                                               'var_dump'
          8        IS_EQUAL                                         ~5      !1, null
          9        SEND_VAL                                                 ~5
         10        DO_ICALL                                                 
    9    11        INIT_FCALL                                               'var_dump'
         12        IS_EQUAL                                         ~7      !0, null
         13        SEND_VAL                                                 ~7
         14        DO_ICALL                                                 
   11    15        INIT_FCALL                                               'var_dump'
         16        TYPE_CHECK                                    2  ~9      !1
         17        SEND_VAL                                                 ~9
         18        DO_ICALL                                                 
   12    19        INIT_FCALL                                               'var_dump'
         20        TYPE_CHECK                                    2  ~11     !0
         21        SEND_VAL                                                 ~11
         22        DO_ICALL                                                 
         23      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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