3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __construct() { echo __CLASS__; } } class Bar extends Foo { public function __construct() { echo __CLASS__; parent::__construct(); } } class Baz extends Bar { public function __construct() { echo __CLASS__; Foo::__construct(); } } $foo = new Baz();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tlOgl
function name:  (null)
number of ops:  4
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   31     0  E >   NEW                                              $1      'Baz'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
          3      > RETURN                                                   1

Class Foo:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tlOgl
function name:  __construct
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ECHO                                                     'Foo'
    8     1      > RETURN                                                   null

End of function __construct

End of class Foo.

Class Bar:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tlOgl
function name:  __construct
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   ECHO                                                     'Bar'
   17     1        INIT_STATIC_METHOD_CALL                                  
          2        DO_FCALL                                      0          
   18     3      > RETURN                                                   null

End of function __construct

End of class Bar.

Class Baz:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tlOgl
function name:  __construct
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   25     0  E >   ECHO                                                     'Baz'
   27     1        INIT_STATIC_METHOD_CALL                                  'Foo'
          2        DO_FCALL                                      0          
   28     3      > RETURN                                                   null

End of function __construct

End of class Baz.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.94 ms | 1394 KiB | 13 Q