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<?php $sites = array( 'site.ru', 'www.site.ru', 'en.site.ru', 'www.en.site.ru', 'de.site.ru', 'www.de.site.ru', ); foreach($sites as $site) { preg_match_all('/^(?:www\.)?(en|de)?(.*)/i', $site, $matches); var_dump($matches); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 12
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 12
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/9PoSH
function name:  (null)
number of ops:  14
compiled vars:  !0 = $sites, !1 = $site, !2 = $matches
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   11     1      > FE_RESET_R                                       $4      !0, ->12
          2    > > FE_FETCH_R                                               $4, !1, ->12
   13     3    >   INIT_FCALL                                               'preg_match_all'
          4        SEND_VAL                                                 '%2F%5E%28%3F%3Awww%5C.%29%3F%28en%7Cde%29%3F%28.%2A%29%2Fi'
          5        SEND_VAR                                                 !1
          6        SEND_REF                                                 !2
          7        DO_ICALL                                                 
   14     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !2
         10        DO_ICALL                                                 
   11    11      > JMP                                                      ->2
         12    >   FE_FREE                                                  $4
   15    13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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