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<?php $a = array(1, 2, 3); function incrementArray($arr) { foreach($arr as $k => $el) { ++$arr[$k]; } } function incrementArrayRef(&$arr) { foreach($arr as $k => $el) { ++$arr[$k]; } } incrementArray($a); foreach($a as $b) { echo "" . $b . "\n"; } echo "\n"; incrementArrayRef($a); foreach($a as $b) { echo "" . $b . "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 10
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 10
2 jumps found. (Code = 77) Position 1 = 16, Position 2 = 21
Branch analysis from position: 16
2 jumps found. (Code = 78) Position 1 = 17, Position 2 = 21
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 21
Branch analysis from position: 10
filename:       /in/3D6d4
function name:  (null)
number of ops:  23
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   17     1        INIT_FCALL                                               'incrementarray'
          2        SEND_VAR                                                 !0
          3        DO_FCALL                                      0          
   18     4      > FE_RESET_R                                       $4      !0, ->10
          5    > > FE_FETCH_R                                               $4, !1, ->10
   19     6    >   CONCAT                                           ~5      '', !1
          7        CONCAT                                           ~6      ~5, '%0A'
          8        ECHO                                                     ~6
   18     9      > JMP                                                      ->5
         10    >   FE_FREE                                                  $4
   21    11        ECHO                                                     '%0A'
   22    12        INIT_FCALL                                               'incrementarrayref'
         13        SEND_REF                                                 !0
         14        DO_FCALL                                      0          
   23    15      > FE_RESET_R                                       $8      !0, ->21
         16    > > FE_FETCH_R                                               $8, !1, ->21
   24    17    >   CONCAT                                           ~9      '', !1
         18        CONCAT                                           ~10     ~9, '%0A'
         19        ECHO                                                     ~10
   23    20      > JMP                                                      ->16
         21    >   FE_FREE                                                  $8
   25    22      > RETURN                                                   1

Function incrementarray:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 7
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/3D6d4
function name:  incrementArray
number of ops:  9
compiled vars:  !0 = $arr, !1 = $el, !2 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1      > FE_RESET_R                                       $3      !0, ->7
          2    > > FE_FETCH_R                                       ~4      $3, !1, ->7
          3    >   ASSIGN                                                   !2, ~4
    7     4        FETCH_DIM_RW                                     $6      !0, !2
          5        PRE_INC                                                  $6
    6     6      > JMP                                                      ->2
          7    >   FE_FREE                                                  $3
    9     8      > RETURN                                                   null

End of function incrementarray

Function incrementarrayref:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 7
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/3D6d4
function name:  incrementArrayRef
number of ops:  9
compiled vars:  !0 = $arr, !1 = $el, !2 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
   12     1      > FE_RESET_R                                       $3      !0, ->7
          2    > > FE_FETCH_R                                       ~4      $3, !1, ->7
          3    >   ASSIGN                                                   !2, ~4
   13     4        FETCH_DIM_RW                                     $6      !0, !2
          5        PRE_INC                                                  $6
   12     6      > JMP                                                      ->2
          7    >   FE_FREE                                                  $3
   15     8      > RETURN                                                   null

End of function incrementarrayref

Generated using Vulcan Logic Dumper, using php 8.0.0


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