3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $bar = 23; public function getBar() { return $this->bar; } public function getBaz() { return NULL; } } $foo = new Foo(); echo sprintf('Testing %s', $foo->getBaz() ?: ('ID#'.$foo->getBar()));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Sf0L4
function name:  (null)
number of ops:  16
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   NEW                                              $1      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   12     3        INIT_FCALL                                               'sprintf'
          4        SEND_VAL                                                 'Testing+%25s'
          5        INIT_METHOD_CALL                                         !0, 'getBaz'
          6        DO_FCALL                                      0  $4      
          7        JMP_SET                                          ~5      $4, ->12
          8        INIT_METHOD_CALL                                         !0, 'getBar'
          9        DO_FCALL                                      0  $6      
         10        CONCAT                                           ~7      'ID%23', $6
         11        QM_ASSIGN                                        ~5      ~7
         12        SEND_VAL                                                 ~5
         13        DO_ICALL                                         $8      
         14        ECHO                                                     $8
         15      > RETURN                                                   1

Class Foo:
Function getbar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Sf0L4
function name:  getBar
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   FETCH_OBJ_R                                      ~0      'bar'
          1      > RETURN                                                   ~0
          2*     > RETURN                                                   null

End of function getbar

Function getbaz:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Sf0L4
function name:  getBaz
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E > > RETURN                                                   null
          1*     > RETURN                                                   null

End of function getbaz

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.44 ms | 1395 KiB | 15 Q