3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); $doc = new DOMDocument(); $doc->loadXML('<?xml version="1.0" encoding="UTF-8"?><root/>'); var_dump($doc->documentElement->hasAttributeNS(null, ''));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XsI0i
function name:  (null)
number of ops:  15
compiled vars:  !0 = $doc
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, 'loadXML'
          4        SEND_VAL_EX                                              '%3C%3Fxml+version%3D%221.0%22+encoding%3D%22UTF-8%22%3F%3E%3Croot%2F%3E'
          5        DO_FCALL                                      0          
    5     6        INIT_FCALL                                               'var_dump'
          7        FETCH_OBJ_R                                      ~5      !0, 'documentElement'
          8        INIT_METHOD_CALL                                         ~5, 'hasAttributeNS'
          9        SEND_VAL_EX                                              null
         10        SEND_VAL_EX                                              ''
         11        DO_FCALL                                      0  $6      
         12        SEND_VAR                                                 $6
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
187.54 ms | 1398 KiB | 15 Q