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<?php function foo ($zmienna) { $zmienna++; } $a=5; var_dump($a,foo ($a), $a); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ffoi5
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, 5
    9     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        INIT_FCALL                                               'foo'
          4        SEND_VAR                                                 !0
          5        DO_FCALL                                      0  $2      
          6        SEND_VAR                                                 $2
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
   10     9      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ffoi5
function name:  foo
number of ops:  3
compiled vars:  !0 = $zmienna
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        PRE_INC                                                  !0
    6     2      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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