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<?php $tst = '!!!!'; $a = '@@@'; $template = '{{$tst}}test{{$a}}'; if (preg_match_all("/{{\;(.*?)}}/", $template, $m)) { foreach ($m[1] as $i => $varname) { echo strval($varname).PHP_EOL.$m[0][$i].'===='.sprintf('$%s', $varname).PHP_EOL; $template = str_replace($m[0][$i], $varname, $template); } } echo $template;
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 36
Branch analysis from position: 9
2 jumps found. (Code = 77) Position 1 = 11, Position 2 = 35
Branch analysis from position: 11
2 jumps found. (Code = 78) Position 1 = 12, Position 2 = 35
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
Branch analysis from position: 35
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 35
Branch analysis from position: 36
filename:       /in/XZpPb
function name:  (null)
number of ops:  38
compiled vars:  !0 = $tst, !1 = $a, !2 = $template, !3 = $m, !4 = $varname, !5 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%21%21%21%21'
    4     1        ASSIGN                                                   !1, '%40%40%40'
    5     2        ASSIGN                                                   !2, '%7B%7B%24tst%7D%7Dtest%7B%7B%24a%7D%7D'
    7     3        INIT_FCALL                                               'preg_match_all'
          4        SEND_VAL                                                 '%2F%7B%7B%5C%3B%28.%2A%3F%29%7D%7D%2F'
          5        SEND_VAR                                                 !2
          6        SEND_REF                                                 !3
          7        DO_ICALL                                         $9      
          8      > JMPZ                                                     $9, ->36
    8     9    >   FETCH_DIM_R                                      ~10     !3, 1
         10      > FE_RESET_R                                       $11     ~10, ->35
         11    > > FE_FETCH_R                                       ~12     $11, !4, ->35
         12    >   ASSIGN                                                   !5, ~12
    9    13        CAST                                          6  ~14     !4
         14        CONCAT                                           ~15     ~14, '%0A'
         15        FETCH_DIM_R                                      ~16     !3, 0
         16        FETCH_DIM_R                                      ~17     ~16, !5
         17        CONCAT                                           ~18     ~15, ~17
         18        CONCAT                                           ~19     ~18, '%3D%3D%3D%3D'
         19        INIT_FCALL                                               'sprintf'
         20        SEND_VAL                                                 '%24%25s'
         21        SEND_VAR                                                 !4
         22        DO_ICALL                                         $20     
         23        CONCAT                                           ~21     ~19, $20
         24        CONCAT                                           ~22     ~21, '%0A'
         25        ECHO                                                     ~22
   10    26        INIT_FCALL                                               'str_replace'
         27        FETCH_DIM_R                                      ~23     !3, 0
         28        FETCH_DIM_R                                      ~24     ~23, !5
         29        SEND_VAL                                                 ~24
         30        SEND_VAR                                                 !4
         31        SEND_VAR                                                 !2
         32        DO_ICALL                                         $25     
         33        ASSIGN                                                   !2, $25
    8    34      > JMP                                                      ->11
         35    >   FE_FREE                                                  $11
   13    36    >   ECHO                                                     !2
         37      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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