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<?php $array = [1,2,3,4,5]; next($array); var_dump(current($array)); // 2 foreach ($array as $item) { continue; // iterate over array } var_dump(current($array)); // 2. В PHP 5.5 будет NULL
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 11, Position 2 = 14
Branch analysis from position: 11
2 jumps found. (Code = 78) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/nf3Cg
function name:  (null)
number of ops:  22
compiled vars:  !0 = $array, !1 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'next'
          2        SEND_REF                                                 !0
          3        DO_ICALL                                                 
    5     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'current'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                         $4      
          8        SEND_VAR                                                 $4
          9        DO_ICALL                                                 
    7    10      > FE_RESET_R                                       $6      !0, ->14
         11    > > FE_FETCH_R                                               $6, !1, ->14
    8    12    > > JMP                                                      ->11
    7    13*       JMP                                                      ->11
         14    >   FE_FREE                                                  $6
   11    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'current'
         17        SEND_VAR                                                 !0
         18        DO_ICALL                                         $7      
         19        SEND_VAR                                                 $7
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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