3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function bar() { $method = 'quux'; $this->$method(); } function quux() { echo "this is dynamic dispatch"; } } $foo = new foo; $foo->bar();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8hE54
function name:  (null)
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   NEW                                              $1      'foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   16     3        INIT_METHOD_CALL                                         !0, 'bar'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Class foo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8hE54
function name:  bar
number of ops:  4
compiled vars:  !0 = $method
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   ASSIGN                                                   !0, 'quux'
    7     1        INIT_METHOD_CALL                                         !0
          2        DO_FCALL                                      0          
    9     3      > RETURN                                                   null

End of function bar

Function quux:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8hE54
function name:  quux
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   ECHO                                                     'this+is+dynamic+dispatch'
   12     1      > RETURN                                                   null

End of function quux

End of class foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.02 ms | 1393 KiB | 13 Q