3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fields = ['field1', 'field2']; $fields_position = [0, 3]; $row = [ 'John', 'Doe', '555 23 58 45', 'Evergreen Terrace' ]; foreach($fields_position as $idx => $pos) { $user_data[$fields[$idx]] = $row[$pos]; } var_dump($user_data);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 11
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 11
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/S7a3b
function name:  (null)
number of ops:  16
compiled vars:  !0 = $fields, !1 = $fields_position, !2 = $row, !3 = $pos, !4 = $idx, !5 = $user_data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    5     2        ASSIGN                                                   !2, <array>
   12     3      > FE_RESET_R                                       $9      !1, ->11
          4    > > FE_FETCH_R                                       ~10     $9, !3, ->11
          5    >   ASSIGN                                                   !4, ~10
   13     6        FETCH_DIM_R                                      ~12     !0, !4
          7        FETCH_DIM_R                                      ~14     !2, !3
          8        ASSIGN_DIM                                               !5, ~12
          9        OP_DATA                                                  ~14
   12    10      > JMP                                                      ->4
         11    >   FE_FREE                                                  $9
   16    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !5
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
168.43 ms | 940 KiB | 16 Q