3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a' => '…', 'b' => '…', 'c' => '…', 'd' => '…', 'e' => '…', 'f' => '…'); foreach ($array as $key => $val){ echo "current key: $key, next key: ".key(($array))."<br>"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 14
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 14
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/s1RhD
function name:  (null)
number of ops:  16
compiled vars:  !0 = $array, !1 = $val, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1      > FE_RESET_R                                       $4      !0, ->14
          2    > > FE_FETCH_R                                       ~5      $4, !1, ->14
          3    >   ASSIGN                                                   !2, ~5
    4     4        ROPE_INIT                                     3  ~8      'current+key%3A+'
          5        ROPE_ADD                                      1  ~8      ~8, !2
          6        ROPE_END                                      2  ~7      ~8, '%2C+next+key%3A+'
          7        INIT_FCALL                                               'key'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $10     
         10        CONCAT                                           ~11     ~7, $10
         11        CONCAT                                           ~12     ~11, '%3Cbr%3E'
         12        ECHO                                                     ~12
    3    13      > JMP                                                      ->2
         14    >   FE_FREE                                                  $4
    5    15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.76 ms | 1395 KiB | 15 Q