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<?php class Bar { private static $instance; protected $guessers = array(); public static function getInstance() { if (null === static::$instance) { static::$instance = new static(); } return static::$instance; } protected function __construct() { $this->guessers[] = new MimeTypeExtensionGuesser(); } } class Foo extends Bar { protected function __construct() { } } Foo::getInstance();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/COBPg
function name:  (null)
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   INIT_STATIC_METHOD_CALL                                  'Foo', 'getInstance'
          1        DO_FCALL                                      0          
          2      > RETURN                                                   1

Class Bar:
Function getinstance:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/COBPg
function name:  getInstance
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   FETCH_STATIC_PROP_R          unknown             ~0      'instance'
          1        TYPE_CHECK                                    2          ~0
          2      > JMPZ                                                     ~1, ->7
   10     3    >   NEW                          static              $3      
          4        DO_FCALL                                      0          
          5        ASSIGN_STATIC_PROP                                       'instance'
          6        OP_DATA                                                  $3
   12     7    >   FETCH_STATIC_PROP_R          unknown             ~5      'instance'
          8      > RETURN                                                   ~5
   13     9*     > RETURN                                                   null

End of function getinstance

Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/COBPg
function name:  __construct
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   NEW                                              $2      'MimeTypeExtensionGuesser'
          1        DO_FCALL                                      0          
          2        FETCH_OBJ_W                                      $0      'guessers'
          3        ASSIGN_DIM                                               $0
          4        OP_DATA                                                  $2
   17     5      > RETURN                                                   null

End of function __construct

End of class Bar.

Class Foo:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/COBPg
function name:  __construct
number of ops:  1
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   25     0  E > > RETURN                                                   null

End of function __construct

Function getinstance:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/COBPg
function name:  getInstance
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   FETCH_STATIC_PROP_R          unknown             ~0      'instance'
          1        TYPE_CHECK                                    2          ~0
          2      > JMPZ                                                     ~1, ->7
   10     3    >   NEW                          static              $3      
          4        DO_FCALL                                      0          
          5        ASSIGN_STATIC_PROP                                       'instance'
          6        OP_DATA                                                  $3
   12     7    >   FETCH_STATIC_PROP_R          unknown             ~5      'instance'
          8      > RETURN                                                   ~5
   13     9*     > RETURN                                                   null

End of function getinstance

End of class Foo.

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