3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Test { private $baz = 1; public static function foo() { echo "foo\n"; } public function bar() { echo "bar\n"; $this->foo(); $this::foo(); self::foo(); self::baz(); } public function baz() { printf("baz = %d\n", $this->baz); } } $test = new Test; $test->bar();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DnSUk
function name:  (null)
number of ops:  6
compiled vars:  !0 = $test
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   27     0  E >   NEW                                                  $1      'Test'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
   28     3        INIT_METHOD_CALL                                             !0, 'bar'
          4        DO_FCALL                                          0          
          5      > RETURN                                                       1

Class Test:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DnSUk
function name:  foo
number of ops:  2
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   ECHO                                                         'foo%0A'
   10     1      > RETURN                                                       null

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DnSUk
function name:  bar
number of ops:  12
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   14     0  E >   ECHO                                                         'bar%0A'
   15     1        INIT_METHOD_CALL                                             'foo'
          2        DO_FCALL                                          0          
   16     3        FETCH_THIS                                           ~1      
          4        FETCH_CLASS                                       0  $2      ~1
          5        INIT_STATIC_METHOD_CALL                                      $2, 'foo'
          6        DO_FCALL                                          0          
   17     7        INIT_STATIC_METHOD_CALL                                      'foo'
          8        DO_FCALL                                          0          
   18     9        INIT_STATIC_METHOD_CALL                                      'baz'
         10        DO_FCALL                                          0          
   19    11      > RETURN                                                       null

End of function bar

Function baz:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DnSUk
function name:  baz
number of ops:  6
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   23     0  E >   INIT_FCALL                                                   'printf'
          1        SEND_VAL                                                     'baz+%3D+%25d%0A'
          2        FETCH_OBJ_R                                          ~0      'baz'
          3        SEND_VAL                                                     ~0
          4        DO_ICALL                                                     
   24     5      > RETURN                                                       null

End of function baz

End of class Test.

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
173.17 ms | 3274 KiB | 14 Q