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<?php $foo = $_GET['bar'] ?? 'hello'; echo $foo; $_GET['bar'] = 'good bye'; $foo = $_GET['bar'] ?? 'hello'; echo $foo;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NKmSK
function name:  (null)
number of ops:  16
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   FETCH_IS                                         ~1      '_GET'
          1        FETCH_DIM_IS                                     ~2      ~1, 'bar'
          2        COALESCE                                         ~3      ~2
          3        QM_ASSIGN                                        ~3      'hello'
          4        ASSIGN                                                   !0, ~3
    3     5        ECHO                                                     !0
    4     6        FETCH_W                      global              $5      '_GET'
          7        ASSIGN_DIM                                               $5, 'bar'
          8        OP_DATA                                                  'good+bye'
    5     9        FETCH_IS                                         ~7      '_GET'
         10        FETCH_DIM_IS                                     ~8      ~7, 'bar'
         11        COALESCE                                         ~9      ~8
         12        QM_ASSIGN                                        ~9      'hello'
         13        ASSIGN                                                   !0, ~9
    6    14        ECHO                                                     !0
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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