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<?php class Foo { private $x = 3; } $foo = new Foo; $foobar = function () { var_dump($this->bar); }; // without the last parameter (optional, defaults to false), we'd get a static, not unbound closure $foobar = $foobar->bindTo(null, 'FooBar', true); $foobar->call($foo); // prints int(3)
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VWr0l
function name:  (null)
number of ops:  15
compiled vars:  !0 = $foo, !1 = $foobar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    4     3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FVWr0l%3A4%240'
          4        ASSIGN                                                   !1, ~5
    6     5        INIT_METHOD_CALL                                         !1, 'bindTo'
          6        SEND_VAL_EX                                              null
          7        SEND_VAL_EX                                              'FooBar'
          8        SEND_VAL_EX                                              <true>
          9        DO_FCALL                                      0  $7      
         10        ASSIGN                                                   !1, $7
    7    11        INIT_METHOD_CALL                                         !1, 'call'
         12        SEND_VAR_EX                                              !0
         13        DO_FCALL                                      0          
         14      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FVWr0l%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VWr0l
function name:  {closure}
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_THIS                                       $0      
          2        FETCH_OBJ_R                                      ~1      $0, 'bar'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                                 
          5      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FVWr0l%3A4%240

Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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