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<?php class C { public $x = 123; public function foo() { $t = 'this'; $$t = null; return $this->x; } } $c = new C; var_dump($c->foo());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MpDOn
function name:  (null)
number of ops:  9
compiled vars:  !0 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   NEW                                              $1      'C'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   12     3        INIT_FCALL                                               'var_dump'
          4        INIT_METHOD_CALL                                         !0, 'foo'
          5        DO_FCALL                                      0  $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                                 
          8      > RETURN                                                   1

Class C:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MpDOn
function name:  foo
number of ops:  6
compiled vars:  !0 = $t
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ASSIGN                                                   !0, 'this'
    7     1        FETCH_W                      local               $2      !0
          2        ASSIGN                                                   $2, null
    8     3        FETCH_OBJ_R                                      ~4      'x'
          4      > RETURN                                                   ~4
    9     5*     > RETURN                                                   null

End of function foo

End of class C.

Generated using Vulcan Logic Dumper, using php 8.0.0


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