3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public $x = 1; // access modifiers effect property/method visibility not scope protected $y = 2; private $z = 3; } $o = new Test(); function TryIt(){ $f = new Test(); echo $f->x; var_dump($GLOBALS['f']); } TryIt(); var_dump($GLOBALS['o']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0Jus4
function name:  (null)
number of ops:  11
compiled vars:  !0 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   NEW                                              $1      'Test'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   14     3        INIT_FCALL                                               'tryit'
          4        DO_FCALL                                      0          
   16     5        INIT_FCALL                                               'var_dump'
          6        FETCH_R                      global              ~5      'GLOBALS'
          7        FETCH_DIM_R                                      ~6      ~5, 'o'
          8        SEND_VAL                                                 ~6
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function tryit:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/0Jus4
function name:  TryIt
number of ops:  11
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   NEW                                              $1      'Test'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   11     3        FETCH_OBJ_R                                      ~4      !0, 'x'
          4        ECHO                                                     ~4
   12     5        INIT_FCALL                                               'var_dump'
          6        FETCH_R                      global              ~5      'GLOBALS'
          7        FETCH_DIM_R                                      ~6      ~5, 'f'
          8        SEND_VAL                                                 ~6
          9        DO_ICALL                                                 
   13    10      > RETURN                                                   null

End of function tryit

Class Test: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.26 ms | 1398 KiB | 16 Q