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<?php $arr = ['a','b','c','d','e','f']; $res = array(); $size = count($arr); for($i=$size-1;$i>=0;$i--){ $arr[$size] = $arr[$i]; unset($arr[$i]); $size++; } var_dump($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 7
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 7
Branch analysis from position: 15
Branch analysis from position: 7
filename:       /in/mEHJU
function name:  (null)
number of ops:  19
compiled vars:  !0 = $arr, !1 = $res, !2 = $size, !3 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        ASSIGN                                                   !1, <array>
    6     2        COUNT                                            ~6      !0
          3        ASSIGN                                                   !2, ~6
    7     4        SUB                                              ~8      !2, 1
          5        ASSIGN                                                   !3, ~8
          6      > JMP                                                      ->13
    8     7    >   FETCH_DIM_R                                      ~11     !0, !3
          8        ASSIGN_DIM                                               !0, !2
          9        OP_DATA                                                  ~11
    9    10        UNSET_DIM                                                !0, !3
   10    11        PRE_INC                                                  !2
    7    12        PRE_DEC                                                  !3
         13    >   IS_SMALLER_OR_EQUAL                                      0, !3
         14      > JMPNZ                                                    ~14, ->7
   13    15    >   INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !0
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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