3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = new ArrayIterator(array("A","B","C","D")); foreach ( $list as $var ) { print(current($list)); } echo "\n"; foreach ( $list as $var ) { print(item($list)); } function item($list) { return current($list); } echo "\n"; item2($list); function item2($list) { foreach ( $list as $var ) { print(current($list)); } } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 11
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 11
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 11
2 jumps found. (Code = 77) Position 1 = 14, Position 2 = 20
Branch analysis from position: 14
2 jumps found. (Code = 78) Position 1 = 15, Position 2 = 20
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
Branch analysis from position: 11
filename:       /in/lGOv9
function name:  (null)
number of ops:  26
compiled vars:  !0 = $list, !1 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'ArrayIterator'
          1        SEND_VAL_EX                                              <array>
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    5     4      > FE_RESET_R                                       $5      !0, ->11
          5    > > FE_FETCH_R                                               $5, !1, ->11
    6     6    >   INIT_FCALL                                               'current'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                         $6      
          9        ECHO                                                     $6
    5    10      > JMP                                                      ->5
         11    >   FE_FREE                                                  $5
    9    12        ECHO                                                     '%0A'
   11    13      > FE_RESET_R                                       $7      !0, ->20
         14    > > FE_FETCH_R                                               $7, !1, ->20
   12    15    >   INIT_FCALL_BY_NAME                                       'item'
         16        SEND_VAR_EX                                              !0
         17        DO_FCALL                                      0  $8      
         18        ECHO                                                     $8
   11    19      > JMP                                                      ->14
         20    >   FE_FREE                                                  $7
   19    21        ECHO                                                     '%0A'
   20    22        INIT_FCALL_BY_NAME                                       'item2'
         23        SEND_VAR_EX                                              !0
         24        DO_FCALL                                      0          
   28    25      > RETURN                                                   1

Function item:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lGOv9
function name:  item
number of ops:  6
compiled vars:  !0 = $list
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
   16     1        INIT_FCALL                                               'current'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4      > RETURN                                                   $1
   17     5*     > RETURN                                                   null

End of function item

Function item2:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 8
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/lGOv9
function name:  item2
number of ops:  10
compiled vars:  !0 = $list, !1 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   22     0  E >   RECV                                             !0      
   23     1      > FE_RESET_R                                       $2      !0, ->8
          2    > > FE_FETCH_R                                               $2, !1, ->8
   24     3    >   INIT_FCALL                                               'current'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ECHO                                                     $3
   23     7      > JMP                                                      ->2
          8    >   FE_FREE                                                  $2
   26     9      > RETURN                                                   null

End of function item2

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
138.59 ms | 1003 KiB | 14 Q