3v4l.org

run code in 300+ PHP versions simultaneously
<?php $xml = <<<XML <html> <head><title></title></head> <body> <CONTENT/> </body> </html> XML; $dom = new DOMDocument(); $dom->loadXML($xml); $c = new DOMDocument(); $c->loadXML("<h1>heading</h1>"); $c = $dom->importNode($c,true); $dom->getElementsByTagName("CONTENT")->item(0)->parentNode->insertBefore($c); echo $dom->saveHTML();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lrtjG
function name:  (null)
number of ops:  32
compiled vars:  !0 = $xml, !1 = $dom, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%3Chtml%3E%0A%3Chead%3E%3Ctitle%3E%3C%2Ftitle%3E%3C%2Fhead%3E%0A%3Cbody%3E%0A%3CCONTENT%2F%3E%0A%3C%2Fbody%3E%0A%3C%2Fhtml%3E'
   10     1        NEW                                              $4      'DOMDocument'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !1, $4
   11     4        INIT_METHOD_CALL                                         !1, 'loadXML'
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0          
   12     7        NEW                                              $8      'DOMDocument'
          8        DO_FCALL                                      0          
          9        ASSIGN                                                   !2, $8
   13    10        INIT_METHOD_CALL                                         !2, 'loadXML'
         11        SEND_VAL_EX                                              '%3Ch1%3Eheading%3C%2Fh1%3E'
         12        DO_FCALL                                      0          
   14    13        INIT_METHOD_CALL                                         !1, 'importNode'
         14        SEND_VAR_EX                                              !2
         15        SEND_VAL_EX                                              <true>
         16        DO_FCALL                                      0  $12     
         17        ASSIGN                                                   !2, $12
   15    18        INIT_METHOD_CALL                                         !1, 'getElementsByTagName'
         19        SEND_VAL_EX                                              'CONTENT'
         20        DO_FCALL                                      0  $14     
         21        INIT_METHOD_CALL                                         $14, 'item'
         22        SEND_VAL_EX                                              0
         23        DO_FCALL                                      0  $15     
         24        FETCH_OBJ_R                                      ~16     $15, 'parentNode'
         25        INIT_METHOD_CALL                                         ~16, 'insertBefore'
         26        SEND_VAR_EX                                              !2
         27        DO_FCALL                                      0          
   16    28        INIT_METHOD_CALL                                         !1, 'saveHTML'
         29        DO_FCALL                                      0  $18     
         30        ECHO                                                     $18
         31      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.55 ms | 1395 KiB | 13 Q