3v4l.org

run code in 300+ PHP versions simultaneously
<?php $html = '<div id="x"><img src="/images/xyz" alt="xyz" /><p>hello world!</p></div>'; $doc = new DomDocument(); $doc->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD); $xpath = new DomXPath($doc); $images = $xpath->query('//img'); foreach ($images as $img) { // create a new anchor element $a = $doc->createElement('a'); // copy the img src attribute to the a href attribute $a->setAttribute('href', $img->attributes->getNamedItem('src')->nodeValue); // add the a to the parent $img->parentNode->replaceChild($a, $img); // make the image a child of the <a> element $a->appendChild($img); } echo $doc->saveHTML();
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 17, Position 2 = 42
Branch analysis from position: 17
2 jumps found. (Code = 78) Position 1 = 18, Position 2 = 42
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
Branch analysis from position: 42
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 42
filename:       /in/nd4Gm
function name:  (null)
number of ops:  47
compiled vars:  !0 = $html, !1 = $doc, !2 = $xpath, !3 = $images, !4 = $img, !5 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3Cdiv+id%3D%22x%22%3E%3Cimg+src%3D%22%2Fimages%2Fxyz%22+alt%3D%22xyz%22+%2F%3E%3Cp%3Ehello+world%21%3C%2Fp%3E%3C%2Fdiv%3E'
    4     1        NEW                                              $7      'DomDocument'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !1, $7
    5     4        INIT_METHOD_CALL                                         !1, 'loadHTML'
          5        SEND_VAR_EX                                              !0
          6        SEND_VAL_EX                                              8196
          7        DO_FCALL                                      0          
    6     8        NEW                                              $11     'DomXPath'
          9        SEND_VAR_EX                                              !1
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !2, $11
    7    12        INIT_METHOD_CALL                                         !2, 'query'
         13        SEND_VAL_EX                                              '%2F%2Fimg'
         14        DO_FCALL                                      0  $14     
         15        ASSIGN                                                   !3, $14
    8    16      > FE_RESET_R                                       $16     !3, ->42
         17    > > FE_FETCH_R                                               $16, !4, ->42
   10    18    >   INIT_METHOD_CALL                                         !1, 'createElement'
         19        SEND_VAL_EX                                              'a'
         20        DO_FCALL                                      0  $17     
         21        ASSIGN                                                   !5, $17
   12    22        INIT_METHOD_CALL                                         !5, 'setAttribute'
         23        SEND_VAL_EX                                              'href'
         24        CHECK_FUNC_ARG                                           
         25        FETCH_OBJ_R                                      ~19     !4, 'attributes'
         26        INIT_METHOD_CALL                                         ~19, 'getNamedItem'
         27        SEND_VAL_EX                                              'src'
         28        DO_FCALL                                      0  $20     
         29        SEPARATE                                         $20     $20
         30        FETCH_OBJ_FUNC_ARG                               $21     $20, 'nodeValue'
         31        SEND_FUNC_ARG                                            $21
         32        DO_FCALL                                      0          
   14    33        FETCH_OBJ_R                                      ~23     !4, 'parentNode'
         34        INIT_METHOD_CALL                                         ~23, 'replaceChild'
         35        SEND_VAR_EX                                              !5
         36        SEND_VAR_EX                                              !4
         37        DO_FCALL                                      0          
   16    38        INIT_METHOD_CALL                                         !5, 'appendChild'
         39        SEND_VAR_EX                                              !4
         40        DO_FCALL                                      0          
    8    41      > JMP                                                      ->17
         42    >   FE_FREE                                                  $16
   18    43        INIT_METHOD_CALL                                         !1, 'saveHTML'
         44        DO_FCALL                                      0  $26     
         45        ECHO                                                     $26
         46      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
128.33 ms | 1403 KiB | 13 Q