3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { protected $x; protected $y = 0; function __construct() { $this->x = 1; $this->y = 2; } } $f = new foo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/p8vnk
function name:  (null)
number of ops:  4
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   NEW                                              $1      'foo'
          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/p8vnk
function name:  __construct
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN_OBJ                                               'x'
          1        OP_DATA                                                  1
    8     2        ASSIGN_OBJ                                               'y'
          3        OP_DATA                                                  2
    9     4      > RETURN                                                   null

End of function __construct

End of class foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.55 ms | 1393 KiB | 13 Q