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<?php class Foo{ public static function Bar(&$num){ $num*=50; } } $functionname = "Foo::Bar"; $num = 3; echo 'call_user_func_array: '; call_user_func_array($functionname, array(&$num)); echo $num; echo "\n"; $num = 3; echo 'call_user_func: '; call_user_func($functionname, $num); echo $num; echo "\n"; $num = 3; echo "other way: "; if (stristr($functionname, '::') !== false) { list($class, $function) = explode('::', $functionname); $class::$function($num); } else { $functionname($num); } echo $num;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 25, Position 2 = 39
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 42
Branch analysis from position: 42
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 39
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UH33C
function name:  (null)
number of ops:  44
compiled vars:  !0 = $functionname, !1 = $num, !2 = $class, !3 = $function
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, 'Foo%3A%3ABar'
    9     1        ASSIGN                                                   !1, 3
   10     2        ECHO                                                     'call_user_func_array%3A+'
   11     3        INIT_USER_CALL                                0          'call_user_func_array', !0
          4        INIT_ARRAY                                       ~6      !1
          5        SEND_ARRAY                                               ~6
          6        CHECK_UNDEF_ARGS                                         
          7        DO_FCALL                                      0          
   12     8        ECHO                                                     !1
   13     9        ECHO                                                     '%0A'
   14    10        ASSIGN                                                   !1, 3
   15    11        ECHO                                                     'call_user_func%3A+'
   16    12        INIT_USER_CALL                                1          'call_user_func', !0
         13        SEND_USER                                                !1
         14        DO_FCALL                                      0          
   17    15        ECHO                                                     !1
   18    16        ECHO                                                     '%0A'
   22    17        ASSIGN                                                   !1, 3
   23    18        ECHO                                                     'other+way%3A+'
   24    19        INIT_FCALL                                               'stristr'
         20        SEND_VAR                                                 !0
         21        SEND_VAL                                                 '%3A%3A'
         22        DO_ICALL                                         $11     
         23        TYPE_CHECK                                  1018          $11
         24      > JMPZ                                                     ~12, ->39
   25    25    >   INIT_FCALL                                               'explode'
         26        SEND_VAL                                                 '%3A%3A'
         27        SEND_VAR                                                 !0
         28        DO_ICALL                                         $13     
         29        FETCH_LIST_R                                     $14     $13, 0
         30        ASSIGN                                                   !2, $14
         31        FETCH_LIST_R                                     $16     $13, 1
         32        ASSIGN                                                   !3, $16
         33        FREE                                                     $13
   26    34        FETCH_CLASS                                   0  $18     !2
         35        INIT_STATIC_METHOD_CALL                                  $18, !3
         36        SEND_VAR_EX                                              !1
         37        DO_FCALL                                      0          
         38      > JMP                                                      ->42
   28    39    >   INIT_DYNAMIC_CALL                                        !0
         40        SEND_VAR_EX                                              !1
         41        DO_FCALL                                      0          
   31    42    >   ECHO                                                     !1
         43      > RETURN                                                   1

Class Foo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UH33C
function name:  Bar
number of ops:  3
compiled vars:  !0 = $num
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        ASSIGN_OP                                     3          !0, 50
          2      > RETURN                                                   null

End of function bar

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


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