3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(10); foreach($a as &$v) { echo $v; $a[] = 42; var_dump($a); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 10
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 10
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/IArD4
function name:  (null)
number of ops:  12
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_RW                                      $3      !0, ->10
          2    > > FE_FETCH_RW                                              $3, !1, ->10
    4     3    >   ECHO                                                     !1
    5     4        ASSIGN_DIM                                               !0
          5        OP_DATA                                                  42
    6     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
    3     9      > JMP                                                      ->2
         10    >   FE_FREE                                                  $3
    7    11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
140.91 ms | 1394 KiB | 15 Q