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<?php $value = "1234 4567 4568 4569 4560 3333AA 3334BB "; $allowedInputSeparators = array('\r\n', '\n', '\s', ',', ';', '|'); foreach($allowedInputSeparators as $separator) { echo "Testing "; var_dump($separator); if(preg_match('/' . $separator. '/', $value)) { echo $separator . PHP_EOL; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 18
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 18
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 17
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 17
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
filename:       /in/STLjg
function name:  (null)
number of ops:  20
compiled vars:  !0 = $value, !1 = $allowedInputSeparators, !2 = $separator
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '1234%0A4567%0A4568%0A4569%0A4560%0A3333AA%0A3334BB%0A'
   10     1        ASSIGN                                                   !1, <array>
   12     2      > FE_RESET_R                                       $5      !1, ->18
          3    > > FE_FETCH_R                                               $5, !2, ->18
   13     4    >   ECHO                                                     'Testing+'
          5        INIT_FCALL                                               'var_dump'
          6        SEND_VAR                                                 !2
          7        DO_ICALL                                                 
   14     8        INIT_FCALL                                               'preg_match'
          9        CONCAT                                           ~7      '%2F', !2
         10        CONCAT                                           ~8      ~7, '%2F'
         11        SEND_VAL                                                 ~8
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                         $9      
         14      > JMPZ                                                     $9, ->17
   15    15    >   CONCAT                                           ~10     !2, '%0A'
         16        ECHO                                                     ~10
   12    17    > > JMP                                                      ->3
         18    >   FE_FREE                                                  $5
   17    19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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