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<?php trait ClosureInATrait { public static function getClosureInTrait() { return function () { return __CLASS__; }; } } class ClassConstantTest { use ClosureInATrait; public static function getClosureInClass() { return function () { return __CLASS__; }; } } class MyClass {} $closureInClass = ClassConstantTest::getClosureInClass(); $closureInTrait = ClassConstantTest::getClosureInTrait(); echo 'Before bind: ' . PHP_EOL; echo '__CLASS__ in class: ' . PHP_EOL; var_dump($closureInClass()); echo '__CLASS__ in Trait: ' . PHP_EOL; var_dump($closureInTrait()); $closureInClass = Closure::bind($closureInClass, null, 'MyClass'); $closureInTrait = Closure::bind($closureInTrait, null, 'MyClass'); echo PHP_EOL . 'After bind: ' . PHP_EOL; echo '__CLASS__ in class: ' . PHP_EOL; var_dump($closureInClass()); echo '__CLASS__ in Trait: ' . PHP_EOL; var_dump($closureInTrait());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qn3nQ
function name:  (null)
number of ops:  46
compiled vars:  !0 = $closureInClass, !1 = $closureInTrait
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   DECLARE_CLASS                                            'classconstanttest'
   27     1        INIT_STATIC_METHOD_CALL                                  'ClassConstantTest', 'getClosureInClass'
          2        DO_FCALL                                      0  $2      
          3        ASSIGN                                                   !0, $2
   28     4        INIT_STATIC_METHOD_CALL                                  'ClassConstantTest', 'getClosureInTrait'
          5        DO_FCALL                                      0  $4      
          6        ASSIGN                                                   !1, $4
   30     7        ECHO                                                     'Before+bind%3A+%0A'
   31     8        ECHO                                                     '__CLASS__+in+class%3A+%0A'
   32     9        INIT_FCALL                                               'var_dump'
         10        INIT_DYNAMIC_CALL                                        !0
         11        DO_FCALL                                      0  $6      
         12        SEND_VAR                                                 $6
         13        DO_ICALL                                                 
   33    14        ECHO                                                     '__CLASS__+in+Trait%3A+%0A'
   34    15        INIT_FCALL                                               'var_dump'
         16        INIT_DYNAMIC_CALL                                        !1
         17        DO_FCALL                                      0  $8      
         18        SEND_VAR                                                 $8
         19        DO_ICALL                                                 
   36    20        INIT_STATIC_METHOD_CALL                                  'Closure', 'bind'
         21        SEND_VAR                                                 !0
         22        SEND_VAL                                                 null
         23        SEND_VAL                                                 'MyClass'
         24        DO_FCALL                                      0  $10     
         25        ASSIGN                                                   !0, $10
   37    26        INIT_STATIC_METHOD_CALL                                  'Closure', 'bind'
         27        SEND_VAR                                                 !1
         28        SEND_VAL                                                 null
         29        SEND_VAL                                                 'MyClass'
         30        DO_FCALL                                      0  $12     
         31        ASSIGN                                                   !1, $12
   39    32        ECHO                                                     '%0AAfter+bind%3A+%0A'
   40    33        ECHO                                                     '__CLASS__+in+class%3A+%0A'
   41    34        INIT_FCALL                                               'var_dump'
         35        INIT_DYNAMIC_CALL                                        !0
         36        DO_FCALL                                      0  $14     
         37        SEND_VAR                                                 $14
         38        DO_ICALL                                                 
   42    39        ECHO                                                     '__CLASS__+in+Trait%3A+%0A'
   43    40        INIT_FCALL                                               'var_dump'
         41        INIT_DYNAMIC_CALL                                        !1
         42        DO_FCALL                                      0  $16     
         43        SEND_VAR                                                 $16
         44        DO_ICALL                                                 
         45      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fqn3nQ%3A7%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qn3nQ
function name:  {closure}
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   FETCH_CLASS_NAME                                 ~0      
          1      > RETURN                                                   ~0
    9     2*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fqn3nQ%3A7%240

Function %00%7Bclosure%7D%2Fin%2Fqn3nQ%3A19%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qn3nQ
function name:  {closure}
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   20     0  E > > RETURN                                                   'ClassConstantTest'
   21     1*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fqn3nQ%3A19%241

Class ClosureInATrait:
Function getclosureintrait:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qn3nQ
function name:  getClosureInTrait
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fqn3nQ%3A7%240'
    9     1      > RETURN                                                   ~0
   10     2*     > RETURN                                                   null

End of function getclosureintrait

End of class ClosureInATrait.

Class ClassConstantTest:
Function getclosureinclass:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/qn3nQ
function name:  getClosureInClass
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fqn3nQ%3A19%241'
   21     1      > RETURN                                                   ~0
   22     2*     > RETURN                                                   null

End of function getclosureinclass

End of class ClassConstantTest.

Class MyClass: [no user functions]

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