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<?php $array = range(1,10); foreach ($array as $key => $value) { if (isset($array[$key+1])) unset($array[$key+1]); echo $value, "\n"; } var_dump($array);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 16
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 16
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 13
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 13
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
filename:       /in/1BoWk
function name:  (null)
number of ops:  21
compiled vars:  !0 = $array, !1 = $value, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 1
          2        SEND_VAL                                                 10
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !0, $3
    4     5      > FE_RESET_R                                       $5      !0, ->16
          6    > > FE_FETCH_R                                       ~6      $5, !1, ->16
          7    >   ASSIGN                                                   !2, ~6
    5     8        ADD                                              ~8      !2, 1
          9        ISSET_ISEMPTY_DIM_OBJ                         0          !0, ~8
         10      > JMPZ                                                     ~9, ->13
    6    11    >   ADD                                              ~10     !2, 1
         12        UNSET_DIM                                                !0, ~10
    7    13    >   ECHO                                                     !1
         14        ECHO                                                     '%0A'
    4    15      > JMP                                                      ->6
         16    >   FE_FREE                                                  $5
   10    17        INIT_FCALL                                               'var_dump'
         18        SEND_VAR                                                 !0
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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