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<?php class Class1 { function getInstance() { return $this; } function doMethod() { echo __CLASS__; } } $a = new Class1(); $a->getInstance()->doMethod();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/irPHS
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   NEW                                              $1      'Class1'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    7     3        INIT_METHOD_CALL                                         !0, 'getInstance'
          4        DO_FCALL                                      0  $4      
          5        INIT_METHOD_CALL                                         $4, 'doMethod'
          6        DO_FCALL                                      0          
          7      > RETURN                                                   1

Class Class1:
Function getinstance:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/irPHS
function name:  getInstance
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_THIS                                       ~0      
          1      > RETURN                                                   ~0
          2*     > RETURN                                                   null

End of function getinstance

Function domethod:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/irPHS
function name:  doMethod
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ECHO                                                     'Class1'
          1      > RETURN                                                   null

End of function domethod

End of class Class1.

Generated using Vulcan Logic Dumper, using php 8.0.0


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