3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function showclass() { echo __CLASS__; } } class B extends A { } $a = new A(); $b = new B(); $a->showclass(); $b->showclass(); A::showclass(); B::showclass();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RYC7M
function name:  (null)
number of ops:  15
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   NEW                                              $2      'A'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
   15     3        NEW                                              $5      'B'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
   17     6        INIT_METHOD_CALL                                         !0, 'showclass'
          7        DO_FCALL                                      0          
   18     8        INIT_METHOD_CALL                                         !1, 'showclass'
          9        DO_FCALL                                      0          
   19    10        INIT_STATIC_METHOD_CALL                                  'A', 'showclass'
         11        DO_FCALL                                      0          
   20    12        INIT_STATIC_METHOD_CALL                                  'B', 'showclass'
         13        DO_FCALL                                      0          
         14      > RETURN                                                   1

Class A:
Function showclass:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RYC7M
function name:  showclass
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ECHO                                                     'A'
    7     1      > RETURN                                                   null

End of function showclass

End of class A.

Class B:
Function showclass:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RYC7M
function name:  showclass
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ECHO                                                     'A'
    7     1      > RETURN                                                   null

End of function showclass

End of class B.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.86 ms | 1394 KiB | 13 Q