3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1, 2, 3, 4, 5); foreach ($array as $key => $item) { $array[$key + 1] = $item + 2; echo "$item\n"; } print_r($array);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 12
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 12
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/dtDmL
function name:  (null)
number of ops:  17
compiled vars:  !0 = $array, !1 = $item, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1      > FE_RESET_R                                       $4      !0, ->12
          2    > > FE_FETCH_R                                       ~5      $4, !1, ->12
          3    >   ASSIGN                                                   !2, ~5
    4     4        ADD                                              ~7      !2, 1
          5        ADD                                              ~9      !1, 2
          6        ASSIGN_DIM                                               !0, ~7
          7        OP_DATA                                                  ~9
    5     8        NOP                                                      
          9        FAST_CONCAT                                      ~10     !1, '%0A'
         10        ECHO                                                     ~10
    3    11      > JMP                                                      ->2
         12    >   FE_FREE                                                  $4
    8    13        INIT_FCALL                                               'print_r'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.18 ms | 1399 KiB | 15 Q