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<?php $a = [1, 2, 3, 4, 3, 2, 1]; $j = count($a) - 1; $output = []; for($i = 0; $i > count($a); $i++) { echo 'ddd' ; // if ($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 = 10
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 13, Position 2 = 7
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 13, Position 2 = 7
Branch analysis from position: 13
Branch analysis from position: 7
filename:       /in/Ji0WG
function name:  (null)
number of ops:  17
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
    8     4        ASSIGN                                                   !2, <array>
   10     5        ASSIGN                                                   !3, 0
          6      > JMP                                                      ->10
   12     7    >   ECHO                                                     'ddd'
   17     8        PRE_DEC                                                  !1
   10     9        PRE_INC                                                  !3
         10    >   COUNT                                            ~12     !0
         11        IS_SMALLER                                               ~12, !3
         12      > JMPNZ                                                    ~13, ->7
   20    13    >   INIT_FCALL                                               'print_r'
         14        SEND_VAR                                                 !2
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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