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<?php $source = <<<HTML [nav id="1"] [nav id="2"] [nav id="текстовоезначение"] HTML; $source = preg_replace( "#\\[nav id=\"(.+?)\"\\]#is", "<span id=\"\\1\"></span>", $source ); echo $source . PHP_EOL . PHP_EOL; $source = preg_replace( "#<span id=\"(.+?)\"></span>#", "[nav id=\"\\1\"]", $source ); echo $source;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/VAdQ6
function name:  (null)
number of ops:  18
compiled vars:  !0 = $source
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%5Bnav+id%3D%221%22%5D%0A%5Bnav+id%3D%222%22%5D%0A%5Bnav+id%3D%22%D1%82%D0%B5%D0%BA%D1%81%D1%82%D0%BE%D0%B2%D0%BE%D0%B5%D0%B7%D0%BD%D0%B0%D1%87%D0%B5%D0%BD%D0%B8%D0%B5%22%5D'
    9     1        INIT_FCALL                                               'preg_replace'
          2        SEND_VAL                                                 '%23%5C%5Bnav+id%3D%22%28.%2B%3F%29%22%5C%5D%23is'
          3        SEND_VAL                                                 '%3Cspan+id%3D%22%5C1%22%3E%3C%2Fspan%3E'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        ASSIGN                                                   !0, $2
   11     7        CONCAT                                           ~4      !0, '%0A'
          8        CONCAT                                           ~5      ~4, '%0A'
          9        ECHO                                                     ~5
   13    10        INIT_FCALL                                               'preg_replace'
         11        SEND_VAL                                                 '%23%3Cspan+id%3D%22%28.%2B%3F%29%22%3E%3C%2Fspan%3E%23'
         12        SEND_VAL                                                 '%5Bnav+id%3D%22%5C1%22%5D'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                         $6      
         15        ASSIGN                                                   !0, $6
   15    16        ECHO                                                     !0
   16    17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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