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<?php class Foo { static function bar() { $foo = static function() { return get_called_class(); }; return $foo(); } static function baz() { $foo = function() { return get_called_class(); }; return $foo(); } static function rebind() { $foo = function() { return get_called_class(); }; return $foo->bindTo(Foo); } } class Bar extends Foo { } print Bar::bar() . Bar::baz() . Bar::rebind(); assert(Bar::bar() === 'Bar'); assert(Bar::baz() === 'Bar');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  (null)
number of ops:  26
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   31     0  E >   INIT_STATIC_METHOD_CALL                                  'Bar', 'bar'
          1        DO_FCALL                                      0  $0      
          2        INIT_STATIC_METHOD_CALL                                  'Bar', 'baz'
          3        DO_FCALL                                      0  $1      
          4        CONCAT                                           ~2      $0, $1
          5        INIT_STATIC_METHOD_CALL                                  'Bar', 'rebind'
          6        DO_FCALL                                      0  $3      
          7        CONCAT                                           ~4      ~2, $3
          8        ECHO                                                     ~4
   33     9        ASSERT_CHECK                                             
         10        INIT_FCALL                                               'assert'
         11        INIT_STATIC_METHOD_CALL                                  'Bar', 'bar'
         12        DO_FCALL                                      0  $5      
         13        IS_IDENTICAL                                     ~6      $5, 'Bar'
         14        SEND_VAL                                                 ~6
         15        SEND_VAL                                                 'assert%28Bar%3A%3Abar%28%29+%3D%3D%3D+%27Bar%27%29'
         16        DO_ICALL                                                 
   34    17        ASSERT_CHECK                                             
         18        INIT_FCALL                                               'assert'
         19        INIT_STATIC_METHOD_CALL                                  'Bar', 'baz'
         20        DO_FCALL                                      0  $8      
         21        IS_IDENTICAL                                     ~9      $8, 'Bar'
         22        SEND_VAL                                                 ~9
         23        SEND_VAL                                                 'assert%28Bar%3A%3Abaz%28%29+%3D%3D%3D+%27Bar%27%29'
         24        DO_ICALL                                                 
         25      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FKqqKS%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  {closure}
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   GET_CALLED_CLASS                                 ~0      
          1      > RETURN                                                   ~0
    7     2*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FKqqKS%3A5%240

Function %00%7Bclosure%7D%2Fin%2FKqqKS%3A12%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  {closure}
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   GET_CALLED_CLASS                                 ~0      
          1      > RETURN                                                   ~0
   14     2*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FKqqKS%3A12%241

Function %00%7Bclosure%7D%2Fin%2FKqqKS%3A19%242:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  {closure}
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   20     0  E >   GET_CALLED_CLASS                                 ~0      
          1      > RETURN                                                   ~0
   21     2*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FKqqKS%3A19%242

Class Foo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  bar
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FKqqKS%3A5%240'
          1        ASSIGN                                                   !0, ~1
    9     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0  $3      
          4      > RETURN                                                   $3
   10     5*     > RETURN                                                   null

End of function bar

Function baz:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  baz
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FKqqKS%3A12%241'
          1        ASSIGN                                                   !0, ~1
   16     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0  $3      
          4      > RETURN                                                   $3
   17     5*     > RETURN                                                   null

End of function baz

Function rebind:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  rebind
number of ops:  8
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FKqqKS%3A19%242'
          1        ASSIGN                                                   !0, ~1
   23     2        INIT_METHOD_CALL                                         !0, 'bindTo'
          3        FETCH_CONSTANT                                   ~3      'Foo'
          4        SEND_VAL_EX                                              ~3
          5        DO_FCALL                                      0  $4      
          6      > RETURN                                                   $4
   24     7*     > RETURN                                                   null

End of function rebind

End of class Foo.

Class Bar:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  bar
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FKqqKS%3A5%240'
          1        ASSIGN                                                   !0, ~1
    9     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0  $3      
          4      > RETURN                                                   $3
   10     5*     > RETURN                                                   null

End of function bar

Function baz:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  baz
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FKqqKS%3A12%241'
          1        ASSIGN                                                   !0, ~1
   16     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0  $3      
          4      > RETURN                                                   $3
   17     5*     > RETURN                                                   null

End of function baz

Function rebind:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KqqKS
function name:  rebind
number of ops:  8
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FKqqKS%3A19%242'
          1        ASSIGN                                                   !0, ~1
   23     2        INIT_METHOD_CALL                                         !0, 'bindTo'
          3        FETCH_CONSTANT                                   ~3      'Foo'
          4        SEND_VAL_EX                                              ~3
          5        DO_FCALL                                      0  $4      
          6      > RETURN                                                   $4
   24     7*     > RETURN                                                   null

End of function rebind

End of class Bar.

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