3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = ['a', 'b', 'c']; foreach ($data as $key => $value) { var_dump($key); } foreach ($data as $key) { var_dump($key); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 8
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 8
2 jumps found. (Code = 77) Position 1 = 10, Position 2 = 15
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 15
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
Branch analysis from position: 8
filename:       /in/XTpc9
function name:  (null)
number of ops:  17
compiled vars:  !0 = $data, !1 = $value, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1      > FE_RESET_R                                       $4      !0, ->8
          2    > > FE_FETCH_R                                       ~5      $4, !1, ->8
          3    >   ASSIGN                                                   !2, ~5
    6     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !2
          6        DO_ICALL                                                 
    5     7      > JMP                                                      ->2
          8    >   FE_FREE                                                  $4
    8     9      > FE_RESET_R                                       $8      !0, ->15
         10    > > FE_FETCH_R                                               $8, !2, ->15
    9    11    >   INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
    8    14      > JMP                                                      ->10
         15    >   FE_FREE                                                  $8
   10    16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
143.17 ms | 1013 KiB | 14 Q