3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dom = new DOMDocument; $dom->loadXML('<foo>foo1<x/></foo>'); $nodes = $dom->documentElement->childNodes; $iter = $nodes->getIterator(); $clone = clone $iter; var_dump($iter->current()); var_dump($clone->current()); $iter->next(); var_dump($iter->current()); var_dump($clone->current());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QR1NS
function name:  (null)
number of ops:  37
compiled vars:  !0 = $dom, !1 = $nodes, !2 = $iter, !3 = $clone
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $4      'DOMDocument'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $4
    3     3        INIT_METHOD_CALL                                         !0, 'loadXML'
          4        SEND_VAL_EX                                              '%3Cfoo%3Efoo1%3Cx%2F%3E%3C%2Ffoo%3E'
          5        DO_FCALL                                      0          
    4     6        FETCH_OBJ_R                                      ~8      !0, 'documentElement'
          7        FETCH_OBJ_R                                      ~9      ~8, 'childNodes'
          8        ASSIGN                                                   !1, ~9
    5     9        INIT_METHOD_CALL                                         !1, 'getIterator'
         10        DO_FCALL                                      0  $11     
         11        ASSIGN                                                   !2, $11
    6    12        CLONE                                            ~13     !2
         13        ASSIGN                                                   !3, ~13
    8    14        INIT_FCALL                                               'var_dump'
         15        INIT_METHOD_CALL                                         !2, 'current'
         16        DO_FCALL                                      0  $15     
         17        SEND_VAR                                                 $15
         18        DO_ICALL                                                 
    9    19        INIT_FCALL                                               'var_dump'
         20        INIT_METHOD_CALL                                         !3, 'current'
         21        DO_FCALL                                      0  $17     
         22        SEND_VAR                                                 $17
         23        DO_ICALL                                                 
   11    24        INIT_METHOD_CALL                                         !2, 'next'
         25        DO_FCALL                                      0          
   13    26        INIT_FCALL                                               'var_dump'
         27        INIT_METHOD_CALL                                         !2, 'current'
         28        DO_FCALL                                      0  $20     
         29        SEND_VAR                                                 $20
         30        DO_ICALL                                                 
   14    31        INIT_FCALL                                               'var_dump'
         32        INIT_METHOD_CALL                                         !3, 'current'
         33        DO_FCALL                                      0  $22     
         34        SEND_VAR                                                 $22
         35        DO_ICALL                                                 
         36      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
141.32 ms | 1427 KiB | 14 Q