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<?php $a = [1, 2, 3, 4, 3, 2, 1]; $j = count($a) - 1; $output = []; for($i = 0; $i > count($a); $i++) { echo $a[$i] ." ". $a[$j]; if ($a[$i] !== $a[$j]) { $output = $a[$i]; } $j--; } print_r($output);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
2 jumps found. (Code = 44) Position 1 = 23, Position 2 = 7
Branch analysis from position: 23
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 18
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 23, Position 2 = 7
Branch analysis from position: 23
Branch analysis from position: 7
Branch analysis from position: 18
filename:       /in/RWSaV
function name:  (null)
number of ops:  27
compiled vars:  !0 = $a, !1 = $j, !2 = $output, !3 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        COUNT                                            ~5      !0
          2        SUB                                              ~6      ~5, 1
          3        ASSIGN                                                   !1, ~6
    7     4        ASSIGN                                                   !2, <array>
    9     5        ASSIGN                                                   !3, 0
          6      > JMP                                                      ->20
   10     7    >   FETCH_DIM_R                                      ~10     !0, !3
          8        CONCAT                                           ~11     ~10, '++'
          9        FETCH_DIM_R                                      ~12     !0, !1
         10        CONCAT                                           ~13     ~11, ~12
         11        ECHO                                                     ~13
   11    12        FETCH_DIM_R                                      ~14     !0, !3
         13        FETCH_DIM_R                                      ~15     !0, !1
         14        IS_NOT_IDENTICAL                                         ~14, ~15
         15      > JMPZ                                                     ~16, ->18
   12    16    >   FETCH_DIM_R                                      ~17     !0, !3
         17        ASSIGN                                                   !2, ~17
   15    18    >   PRE_DEC                                                  !1
    9    19        PRE_INC                                                  !3
         20    >   COUNT                                            ~21     !0
         21        IS_SMALLER                                               ~21, !3
         22      > JMPNZ                                                    ~22, ->7
   18    23    >   INIT_FCALL                                               'print_r'
         24        SEND_VAR                                                 !2
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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