3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = <<<DATA <a href="https://www.example.co.uk/music/music/397/adoramus-te/">adoramus-te</a> <a href="https://www.example.co.uk/music/music/3113/obsesi/">obsesi</a> <a href="https://www.example.co.uk/music/music/2707/the-piano/">the-piano</a> <a href="https://www.example.co.uk/music/music/2677/irreemplazable/">irreemplazable</a> <a href="https://www.example.co.uk/music/music/25981/lo/">lo</a> <a href="https://www.example.co.uk/music/top/1243/core/">core</a> <a href="https://www.example.co.uk/music/top/12/late/">late</a> <a href="https://www.example.co.uk/music/top/13/new/">new</a> DATA; $dom = new DOMDocument(); $dom->loadHTML($data); $anchors = $dom->getElementsByTagName("a"); foreach ($anchors as $anchor) { $url = $anchor->getAttribute("href"); if (preg_match("~^https?://[^/]+/music/music/\S+$~", $url)) { echo $url . PHP_EOL; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 12, Position 2 = 25
Branch analysis from position: 12
2 jumps found. (Code = 78) Position 1 = 13, Position 2 = 25
Branch analysis from position: 13
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
Branch analysis from position: 24
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 25
filename:       /in/o8sPe
function name:  (null)
number of ops:  27
compiled vars:  !0 = $data, !1 = $dom, !2 = $anchors, !3 = $anchor, !4 = $url
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%3Ca+href%3D%22https%3A%2F%2Fwww.example.co.uk%2Fmusic%2Fmusic%2F397%2Fadoramus-te%2F%22%3Eadoramus-te%3C%2Fa%3E%0A%3Ca+href%3D%22https%3A%2F%2Fwww.example.co.uk%2Fmusic%2Fmusic%2F3113%2Fobsesi%2F%22%3Eobsesi%3C%2Fa%3E%0A%3Ca+href%3D%22https%3A%2F%2Fwww.example.co.uk%2Fmusic%2Fmusic%2F2707%2Fthe-piano%2F%22%3Ethe-piano%3C%2Fa%3E%0A%3Ca+href%3D%22https%3A%2F%2Fwww.example.co.uk%2Fmusic%2Fmusic%2F2677%2Firreemplazable%2F%22%3Eirreemplazable%3C%2Fa%3E%0A%3Ca+href%3D%22https%3A%2F%2Fwww.example.co.uk%2Fmusic%2Fmusic%2F25981%2Flo%2F%22%3Elo%3C%2Fa%3E%0A%3Ca+href%3D%22https%3A%2F%2Fwww.example.co.uk%2Fmusic%2Ftop%2F1243%2Fcore%2F%22%3Ecore%3C%2Fa%3E%0A%3Ca+href%3D%22https%3A%2F%2Fwww.example.co.uk%2Fmusic%2Ftop%2F12%2Flate%2F%22%3Elate%3C%2Fa%3E%0A%3Ca+href%3D%22https%3A%2F%2Fwww.example.co.uk%2Fmusic%2Ftop%2F13%2Fnew%2F%22%3Enew%3C%2Fa%3E'
   14     1        NEW                                              $6      'DOMDocument'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !1, $6
   15     4        INIT_METHOD_CALL                                         !1, 'loadHTML'
          5        SEND_VAR_EX                                              !0
          6        DO_FCALL                                      0          
   16     7        INIT_METHOD_CALL                                         !1, 'getElementsByTagName'
          8        SEND_VAL_EX                                              'a'
          9        DO_FCALL                                      0  $10     
         10        ASSIGN                                                   !2, $10
   18    11      > FE_RESET_R                                       $12     !2, ->25
         12    > > FE_FETCH_R                                               $12, !3, ->25
   19    13    >   INIT_METHOD_CALL                                         !3, 'getAttribute'
         14        SEND_VAL_EX                                              'href'
         15        DO_FCALL                                      0  $13     
         16        ASSIGN                                                   !4, $13
   20    17        INIT_FCALL                                               'preg_match'
         18        SEND_VAL                                                 '%7E%5Ehttps%3F%3A%2F%2F%5B%5E%2F%5D%2B%2Fmusic%2Fmusic%2F%5CS%2B%24%7E'
         19        SEND_VAR                                                 !4
         20        DO_ICALL                                         $15     
         21      > JMPZ                                                     $15, ->24
   21    22    >   CONCAT                                           ~16     !4, '%0A'
         23        ECHO                                                     ~16
   18    24    > > JMP                                                      ->12
         25    >   FE_FREE                                                  $12
   23    26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
184.61 ms | 1001 KiB | 14 Q