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<?php $strings=[ 'e123f654g933c', 'e123f654g933ce99f77g66c' ]; foreach($strings as $string){ var_export( array_map( function($v){ return preg_match_all('/[e-g]\d+/',$v,$out2)?$out2[0]:[]; }, preg_match_all('/(?:[e-g]\d+)+(?=c)/',$string,$out1)?$out1[0]:[] ) ); echo"\n\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 23
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 23
Branch analysis from position: 3
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 16
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 23
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
filename:       /in/f5nnk
function name:  (null)
number of ops:  25
compiled vars:  !0 = $strings, !1 = $string, !2 = $out1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1      > FE_RESET_R                                       $4      !0, ->23
          2    > > FE_FETCH_R                                               $4, !1, ->23
    9     3    >   INIT_FCALL                                               'var_export'
   10     4        INIT_FCALL                                               'array_map'
   11     5        DECLARE_LAMBDA_FUNCTION                          ~5      [0]
   13     6        SEND_VAL                                                 ~5
   14     7        INIT_FCALL                                               'preg_match_all'
          8        SEND_VAL                                                 '%2F%28%3F%3A%5Be-g%5D%5Cd%2B%29%2B%28%3F%3Dc%29%2F'
          9        SEND_VAR                                                 !1
         10        SEND_REF                                                 !2
         11        DO_ICALL                                         $6      
         12      > JMPZ                                                     $6, ->16
         13    >   FETCH_DIM_R                                      ~7      !2, 0
         14        QM_ASSIGN                                        ~8      ~7
         15      > JMP                                                      ->17
         16    >   QM_ASSIGN                                        ~8      <array>
         17    >   SEND_VAL                                                 ~8
   10    18        DO_ICALL                                         $9      
   14    19        SEND_VAR                                                 $9
    9    20        DO_ICALL                                                 
   17    21        ECHO                                                     '%0A%0A'
    8    22      > JMP                                                      ->2
         23    >   FE_FREE                                                  $4
   18    24      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 10
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/f5nnk
function name:  {closure}
number of ops:  13
compiled vars:  !0 = $v, !1 = $out2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
   12     1        INIT_FCALL                                               'preg_match_all'
          2        SEND_VAL                                                 '%2F%5Be-g%5D%5Cd%2B%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                         $2      
          6      > JMPZ                                                     $2, ->10
          7    >   FETCH_DIM_R                                      ~3      !1, 0
          8        QM_ASSIGN                                        ~4      ~3
          9      > JMP                                                      ->11
         10    >   QM_ASSIGN                                        ~4      <array>
         11    > > RETURN                                                   ~4
   13    12*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
138.87 ms | 1005 KiB | 16 Q