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<?php function test($obj) { $obj->fputcsv([]); } $objects = [ new SplFileObject(tempnam(sys_get_temp_dir(), 'tmp')), (new ReflectionClass( "SplFileObject" ))->newInstanceWithoutConstructor(), ]; foreach ($objects as $obj) { test($obj); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 18, Position 2 = 23
Branch analysis from position: 18
2 jumps found. (Code = 78) Position 1 = 19, Position 2 = 23
Branch analysis from position: 19
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
Branch analysis from position: 23
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
filename:       /in/XMvIQ
function name:  (null)
number of ops:  25
compiled vars:  !0 = $objects, !1 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   NEW                                              $2      'SplFileObject'
          1        INIT_FCALL                                               'tempnam'
          2        INIT_FCALL                                               'sys_get_temp_dir'
          3        DO_ICALL                                         $3      
          4        SEND_VAR                                                 $3
          5        SEND_VAL                                                 'tmp'
          6        DO_ICALL                                         $4      
          7        SEND_VAR_NO_REF_EX                                       $4
          8        DO_FCALL                                      0          
          9        INIT_ARRAY                                       ~6      $2
    9    10        NEW                                              $7      'ReflectionClass'
         11        SEND_VAL_EX                                              'SplFileObject'
         12        DO_FCALL                                      0          
         13        INIT_METHOD_CALL                                         $7, 'newInstanceWithoutConstructor'
         14        DO_FCALL                                      0  $9      
         15        ADD_ARRAY_ELEMENT                                ~6      $9
    7    16        ASSIGN                                                   !0, ~6
   12    17      > FE_RESET_R                                       $11     !0, ->23
         18    > > FE_FETCH_R                                               $11, !1, ->23
   13    19    >   INIT_FCALL                                               'test'
         20        SEND_VAR                                                 !1
         21        DO_FCALL                                      0          
   12    22      > JMP                                                      ->18
         23    >   FE_FREE                                                  $11
   14    24      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XMvIQ
function name:  test
number of ops:  5
compiled vars:  !0 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_METHOD_CALL                                         !0, 'fputcsv'
          2        SEND_VAL_EX                                              <array>
          3        DO_FCALL                                      0          
    5     4      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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