3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dom = new DOMDocument(); $dom->appendChild($dom->createElement('foo')); $dom->documentElement->appendChild($dom->createTextNode('Foo & Bar')); echo $dom->saveXml();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vaagF
function name:  (null)
number of ops:  20
compiled vars:  !0 = $dom
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DOMDocument'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    4     3        INIT_METHOD_CALL                                         !0, 'appendChild'
          4        INIT_METHOD_CALL                                         !0, 'createElement'
          5        SEND_VAL_EX                                              'foo'
          6        DO_FCALL                                      0  $4      
          7        SEND_VAR_NO_REF_EX                                       $4
          8        DO_FCALL                                      0          
    5     9        FETCH_OBJ_R                                      ~6      !0, 'documentElement'
         10        INIT_METHOD_CALL                                         ~6, 'appendChild'
         11        INIT_METHOD_CALL                                         !0, 'createTextNode'
         12        SEND_VAL_EX                                              'Foo+%26+Bar'
         13        DO_FCALL                                      0  $7      
         14        SEND_VAR_NO_REF_EX                                       $7
         15        DO_FCALL                                      0          
    7    16        INIT_METHOD_CALL                                         !0, 'saveXml'
         17        DO_FCALL                                      0  $9      
         18        ECHO                                                     $9
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
144.11 ms | 1393 KiB | 13 Q