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<?php $pattern = "/(?<=href=(\"|'))[^\"']+(?=(\"|'))/"; $string = "<a class=\"hola\" href=\"link1\">Hola qué tal 1</a>"; $string .= "<a class=\'hola\' href=\'link2\'>Hola qué tal 2</a>"; $string .= "<a class=\"hola\" href=\"link3\">Hola qué tal 3</a>"; $string .= "<a class=\"hola\" href=\"link4\">Hola qué tal 4</a>"; $doc = new DOMDocument(); $doc->loadHTML(); $tags = $doc->getElementByTagName("a"); foreach($tags as $tag) { echo $tag->href . '<br />'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 15, Position 2 = 20
Branch analysis from position: 15
2 jumps found. (Code = 78) Position 1 = 16, Position 2 = 20
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
filename:       /in/ubXZ3
function name:  (null)
number of ops:  22
compiled vars:  !0 = $pattern, !1 = $string, !2 = $doc, !3 = $tags, !4 = $tag
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '%2F%28%3F%3C%3Dhref%3D%28%22%7C%27%29%29%5B%5E%22%27%5D%2B%28%3F%3D%28%22%7C%27%29%29%2F'
    3     1        ASSIGN                                                   !1, '%3Ca+class%3D%22hola%22+href%3D%22link1%22%3EHola+qu%C3%A9+tal+1%3C%2Fa%3E'
    4     2        ASSIGN_OP                                     8          !1, '%3Ca+class%3D%5C%27hola%5C%27+href%3D%5C%27link2%5C%27%3EHola+qu%C3%A9+tal+2%3C%2Fa%3E'
    5     3        ASSIGN_OP                                     8          !1, '%3Ca+class%3D%22hola%22+href%3D%22link3%22%3EHola+qu%C3%A9+tal+3%3C%2Fa%3E'
    6     4        ASSIGN_OP                                     8          !1, '%3Ca+class%3D%22hola%22+href%3D%22link4%22%3EHola+qu%C3%A9+tal+4%3C%2Fa%3E'
    7     5        NEW                                              $10     'DOMDocument'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !2, $10
    8     8        INIT_METHOD_CALL                                         !2, 'loadHTML'
          9        DO_FCALL                                      0          
    9    10        INIT_METHOD_CALL                                         !2, 'getElementByTagName'
         11        SEND_VAL_EX                                              'a'
         12        DO_FCALL                                      0  $14     
         13        ASSIGN                                                   !3, $14
   11    14      > FE_RESET_R                                       $16     !3, ->20
         15    > > FE_FETCH_R                                               $16, !4, ->20
   12    16    >   FETCH_OBJ_R                                      ~17     !4, 'href'
         17        CONCAT                                           ~18     ~17, '%3Cbr+%2F%3E'
         18        ECHO                                                     ~18
   11    19      > JMP                                                      ->15
         20    >   FE_FREE                                                  $16
   13    21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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198.83 ms | 1394 KiB | 13 Q