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<?php class test { function a() {} function __destruct() { echo 'a'; } } $a = array('test','a'); $a();
based on 1sZpc
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/s4niG
function name:  (null)
number of ops:  5
compiled vars:  !0 = $a
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   NOP                                                      
  10     1        ASSIGN                                                   !0, <array>
  11     2        INIT_DYNAMIC_CALL                                        !0
         3        DO_FCALL                                      0          
         4      > RETURN                                                   1

Class test:
Function a:
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/s4niG
function name:  a
number of ops:  1
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   4     0  E > > RETURN                                                   null

End of function a

Function __destruct:
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/s4niG
function name:  __destruct
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 __destruct

End of class test.

Generated using Vulcan Logic Dumper, using php 7.2.0