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<?php function bar() { return null; } $x = bar() ?? 'default'; var_dump($x);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SFUET
function name:  (null)
number of ops:  9
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'bar'
          1        DO_FCALL                                      0  $1      
          2        COALESCE                                         ~2      $1
          3        QM_ASSIGN                                        ~2      'default'
          4        ASSIGN                                                   !0, ~2
   10     5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SFUET
function name:  bar
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E > > RETURN                                                   null
    6     1*     > RETURN                                                   null

End of function bar

Generated using Vulcan Logic Dumper, using php 8.0.0


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