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<?php function load($html) { $document = <<<EOD <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head> <body>!html</body> </html> EOD; // PHP's \DOMDocument::saveXML() encodes carriage returns as &#13; so // normalize all newlines to line feeds. $html = str_replace(["\r\n", "\r"], "\n", $html); // PHP's \DOMDocument serialization adds extra whitespace when the markup // of the wrapping document contains newlines, so ensure we remove all // newlines before injecting the actual HTML body to be processed. $document = strtr($document, ["\n" => '', '!html' => $html]); $dom = new \DOMDocument(); // Ignore warnings during HTML soup loading. @$dom->loadHTML($document, LIBXML_NOBLANKS); return $dom; } function _serialize(\DOMDocument $document) { $body_node = $document->getElementsByTagName('body')->item(0); $html = ''; if ($body_node !== NULL) { foreach ($body_node->childNodes as $node) { $html .= $document->saveXML($node); } } return $html; } print _serialize(load('<a class="sample" href="http://www.example.com/partial/path">foo</a>')); print PHP_EOL; print _serialize(load('<a class="sample" href="http://www.example.com/partial/path'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/r6nNq
function name:  (null)
number of ops:  16
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   42     0  E >   INIT_FCALL                                                   '_serialize'
          1        INIT_FCALL                                                   'load'
          2        SEND_VAL                                                     '%3Ca+class%3D%22sample%22+href%3D%22http%3A%2F%2Fwww.example.com%2Fpartial%2Fpath%22%3Efoo%3C%2Fa%3E'
          3        DO_FCALL                                          0  $0      
          4        SEND_VAR                                                     $0
          5        DO_FCALL                                          0  $1      
          6        ECHO                                                         $1
   43     7        ECHO                                                         '%0A'
   44     8        INIT_FCALL                                                   '_serialize'
          9        INIT_FCALL                                                   'load'
         10        SEND_VAL                                                     '%3Ca+class%3D%22sample%22+href%3D%22http%3A%2F%2Fwww.example.com%2Fpartial%2Fpath'
         11        DO_FCALL                                          0  $2      
         12        SEND_VAR                                                     $2
         13        DO_FCALL                                          0  $3      
         14        ECHO                                                         $3
         15      > RETURN                                                       1

Function load:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/r6nNq
function name:  load
number of ops:  20
compiled vars:  !0 = $html, !1 = $document, !2 = $dom
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    4     1        ASSIGN                                                       !1, '++++%3C%21DOCTYPE+html+PUBLIC+%22-%2F%2FW3C%2F%2FDTD+XHTML+1.0+Strict%2F%2FEN%22+%22http%3A%2F%2Fwww.w3.org%2FTR%2Fxhtml1%2FDTD%2Fxhtml1-strict.dtd%22%3E%0A++++%3Chtml+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxhtml%22%3E%0A++++%3Chead%3E%3Cmeta+http-equiv%3D%22Content-Type%22+content%3D%22text%2Fhtml%3B+charset%3Dutf-8%22+%2F%3E%3C%2Fhead%3E%0A++++%3Cbody%3E%21html%3C%2Fbody%3E%0A++++%3C%2Fhtml%3E'
   14     2        FRAMELESS_ICALL_3                str_replace         ~4      <array>, '%0A'
          3        OP_DATA                                                      !0
          4        ASSIGN                                                       !0, ~4
   19     5        INIT_ARRAY                                           ~6      '', '%0A'
          6        ADD_ARRAY_ELEMENT                                    ~6      !0, '%21html'
          7        FRAMELESS_ICALL_2                strtr               ~7      !1, ~6
          8        ASSIGN                                                       !1, ~7
   21     9        NEW                                                  $9      'DOMDocument'
         10        DO_FCALL                                          0          
         11        ASSIGN                                                       !2, $9
   23    12        BEGIN_SILENCE                                        ~12     
         13        INIT_METHOD_CALL                                             !2, 'loadHTML'
         14        SEND_VAR_EX                                                  !1
         15        SEND_VAL_EX                                                  256
         16        DO_FCALL                                          0          
         17        END_SILENCE                                                  ~12
   24    18      > RETURN                                                       !2
   25    19*     > RETURN                                                       null

End of function load

Function _serialize:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 20
Branch analysis from position: 11
2 jumps found. (Code = 77) Position 1 = 13, Position 2 = 19
Branch analysis from position: 13
2 jumps found. (Code = 78) Position 1 = 14, Position 2 = 19
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
Branch analysis from position: 20
filename:       /in/r6nNq
function name:  _serialize
number of ops:  22
compiled vars:  !0 = $document, !1 = $body_node, !2 = $html, !3 = $node
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   27     0  E >   RECV                                                 !0      
   28     1        INIT_METHOD_CALL                                             !0, 'getElementsByTagName'
          2        SEND_VAL_EX                                                  'body'
          3        DO_FCALL                                          0  $4      
          4        INIT_METHOD_CALL                                             $4, 'item'
          5        SEND_VAL_EX                                                  0
          6        DO_FCALL                                          0  $5      
          7        ASSIGN                                                       !1, $5
   29     8        ASSIGN                                                       !2, ''
   31     9        TYPE_CHECK                                      1020          !1
         10      > JMPZ                                                         ~8, ->20
   32    11    >   FETCH_OBJ_R                                          ~9      !1, 'childNodes'
         12      > FE_RESET_R                                           $10     ~9, ->19
         13    > > FE_FETCH_R                                                   $10, !3, ->19
   33    14    >   INIT_METHOD_CALL                                             !0, 'saveXML'
         15        SEND_VAR_EX                                                  !3
         16        DO_FCALL                                          0  $11     
         17        ASSIGN_OP                                         8          !2, $11
   32    18      > JMP                                                          ->13
         19    >   FE_FREE                                                      $10
   36    20    > > RETURN                                                       !2
   37    21*     > RETURN                                                       null

End of function _serialize

Generated using Vulcan Logic Dumper, using php 8.5.0


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