3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(10, 20); foreach($a as $v) { var_dump($a); var_dump($v); $a[1] = 30; } var_dump($v);
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/FtvIm
function name:  (null)
number of ops:  17
compiled vars:  !0 = $a, !1 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1      > FE_RESET_R                                       $3      !0, ->12
          2    > > FE_FETCH_R                                               $3, !1, ->12
    4     3    >   INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
    5     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        DO_ICALL                                                 
    6     9        ASSIGN_DIM                                               !0, 1
         10        OP_DATA                                                  30
    3    11      > JMP                                                      ->2
         12    >   FE_FREE                                                  $3
    8    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
167.97 ms | 1395 KiB | 15 Q