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<?php $html = <<<HTML <div class="productabcont"> <div class="protabtop"> <div class="protabtopright"> <p>Combed compact yarn</p> <!-- This i want to replace with <h4> tag. --> <p>Description line 1</p> <p>Description line 2</p> </div> </div> </div> HTML; $value = 'some headline'; $dom = new DOMDocument(); $dom->loadHTML($html); $q = new DOMXPath($dom); // find first p tag foreach ($q->query('//p[1]') as $p) { // replace it with newly created element $p->parentNode->replaceChild($dom->createElement('h4', $value), $p); } echo $dom->saveHTML();
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 16, Position 2 = 27
Branch analysis from position: 16
2 jumps found. (Code = 78) Position 1 = 17, Position 2 = 27
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 27
filename:       /in/4Hj1e
function name:  (null)
number of ops:  32
compiled vars:  !0 = $html, !1 = $value, !2 = $dom, !3 = $q, !4 = $p
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3Cdiv+class%3D%22productabcont%22%3E%0A++++%3Cdiv+class%3D%22protabtop%22%3E%0A++++++++%3Cdiv+class%3D%22protabtopright%22%3E%0A++++++++++++%3Cp%3ECombed+compact+yarn%3C%2Fp%3E+%3C%21--+This+i+want+to+replace+with+%3Ch4%3E+tag.+--%3E%0A++++++++++++%3Cp%3EDescription+line+1%3C%2Fp%3E%0A++++++++++++%3Cp%3EDescription+line+2%3C%2Fp%3E%0A++++++++%3C%2Fdiv%3E%0A++++%3C%2Fdiv%3E++++++++++%0A%3C%2Fdiv%3E'
   15     1        ASSIGN                                                   !1, 'some+headline'
   17     2        NEW                                              $7      'DOMDocument'
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !2, $7
   18     5        INIT_METHOD_CALL                                         !2, 'loadHTML'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
   20     8        NEW                                              $11     'DOMXPath'
          9        SEND_VAR_EX                                              !2
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !3, $11
   23    12        INIT_METHOD_CALL                                         !3, 'query'
         13        SEND_VAL_EX                                              '%2F%2Fp%5B1%5D'
         14        DO_FCALL                                      0  $14     
         15      > FE_RESET_R                                       $15     $14, ->27
         16    > > FE_FETCH_R                                               $15, !4, ->27
   25    17    >   FETCH_OBJ_R                                      ~16     !4, 'parentNode'
         18        INIT_METHOD_CALL                                         ~16, 'replaceChild'
         19        INIT_METHOD_CALL                                         !2, 'createElement'
         20        SEND_VAL_EX                                              'h4'
         21        SEND_VAR_EX                                              !1
         22        DO_FCALL                                      0  $17     
         23        SEND_VAR_NO_REF_EX                                       $17
         24        SEND_VAR_EX                                              !4
         25        DO_FCALL                                      0          
   23    26      > JMP                                                      ->16
         27    >   FE_FREE                                                  $15
   28    28        INIT_METHOD_CALL                                         !2, 'saveHTML'
         29        DO_FCALL                                      0  $19     
         30        ECHO                                                     $19
         31      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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