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<?php interface ISingleton { public static function getInstance(): ISingleton; } abstract class Singleton implements ISingleton { private static $_instances = []; final private function __construct () {} final private function __clone() {} final private function __wakeup() {} final public static function getInstance() : ISingleton { self::$_instances[static::class] = self::$_instances[static::class] ?? new static(); return self::$_instances[static::class]; } } class Flextype extends Singleton { } var_export(Flextype::getInstance());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m7AbZ
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   DECLARE_CLASS                                            'singleton'
   23     1        DECLARE_CLASS                                            'flextype', 'singleton'
   27     2        INIT_FCALL                                               'var_export'
          3        INIT_STATIC_METHOD_CALL                                  'Flextype', 'getInstance'
          4        DO_FCALL                                      0  $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Class ISingleton:
Function getinstance:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m7AbZ
function name:  getInstance
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   VERIFY_RETURN_TYPE                                       
          1      > RETURN                                                   null

End of function getinstance

End of class ISingleton.

Class Singleton:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m7AbZ
function name:  __construct
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E > > RETURN                                                   null

End of function __construct

Function __clone:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m7AbZ
function name:  __clone
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E > > RETURN                                                   null

End of function __clone

Function __wakeup:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m7AbZ
function name:  __wakeup
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E > > RETURN                                                   null

End of function __wakeup

Function getinstance:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/m7AbZ
function name:  getInstance
number of ops:  18
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   17     0  E >   FETCH_CLASS_NAME                                 ~1      
          1        FETCH_CLASS_NAME                                 ~4      
          2        FETCH_STATIC_PROP_IS                             ~3      '_instances'
          3        FETCH_DIM_IS                                     ~5      ~3, ~4
          4        COALESCE                                         ~6      ~5
          5        NEW                          static              $7      
          6        DO_FCALL                                      0          
          7        QM_ASSIGN                                        ~6      $7
          8        FETCH_STATIC_PROP_W          global              $0      '_instances'
          9        ASSIGN_DIM                                               $0, ~1
         10        OP_DATA                                                  ~6
   18    11        FETCH_CLASS_NAME                                 ~10     
         12        FETCH_STATIC_PROP_R          unknown             ~9      '_instances'
         13        FETCH_DIM_R                                      ~11     ~9, ~10
         14        VERIFY_RETURN_TYPE                                       ~11
         15      > RETURN                                                   ~11
   19    16*       VERIFY_RETURN_TYPE                                       
         17*     > RETURN                                                   null

End of function getinstance

End of class Singleton.

Class Flextype: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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