3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { private $baz = 1; private static $cat = 'abc'; public static function foo() { // echo "foo\n"; echo self::cat; } public function bar() { echo "bar\n"; $this->foo(); $this::foo(); self::foo(); self::baz(); } public function baz() { printf("baz = %d\n", $this->baz); } } echo "cat is: ".Test::$cats; $test = new Test; $test->bar();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0EMJA
function name:  (null)
number of ops:  9
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   29     0  E >   FETCH_STATIC_PROP_R          unknown             ~1      'cats'
          1        CONCAT                                           ~2      'cat+is%3A+', ~1
          2        ECHO                                                     ~2
   30     3        NEW                                              $3      'Test'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !0, $3
   31     6        INIT_METHOD_CALL                                         !0, 'bar'
          7        DO_FCALL                                      0          
          8      > RETURN                                                   1

Class Test:
Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0EMJA
function name:  foo
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   FETCH_CLASS_CONSTANT                             ~0      'cat'
          1        ECHO                                                     ~0
   12     2      > 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/0EMJA
function name:  bar
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   16     0  E >   ECHO                                                     'bar%0A'
   17     1        INIT_METHOD_CALL                                         'foo'
          2        DO_FCALL                                      0          
   18     3        FETCH_THIS                                       ~1      
          4        FETCH_CLASS                                   0  $2      ~1
          5        INIT_STATIC_METHOD_CALL                                  $2, 'foo'
          6        DO_FCALL                                      0          
   19     7        INIT_STATIC_METHOD_CALL                                  'foo'
          8        DO_FCALL                                      0          
   20     9        INIT_STATIC_METHOD_CALL                                  'baz'
         10        DO_FCALL                                      0          
   21    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/0EMJA
function name:  baz
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   25     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                                                 
   26     5      > RETURN                                                   null

End of function baz

End of class Test.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.39 ms | 1388 KiB | 15 Q