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<?php $str = "0/1/2/3/4/5/6/7/8/9 a/b/c/d/e/f"; $lines = array($str); $results = array(); while ($line = array_shift($lines)) { if (preg_match("/(\w+)(?:\/\w+)+/ui", $line, $match, PREG_OFFSET_CAPTURE)) { list($string, $offset) = $match[1]; array_push($lines, sprintf("%s%s", substr($line, 0, $offset + strlen($string)), substr($line, $offset + strlen($match[0][0])) )); array_push($lines, sprintf("%s%s", substr($line, 0, $offset), substr($line, $offset + strlen($string) + 1) )); } else { $results[] = $line; } } print_r($results);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 66
Branch analysis from position: 66
2 jumps found. (Code = 44) Position 1 = 71, Position 2 = 5
Branch analysis from position: 71
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 64
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 66
Branch analysis from position: 66
Branch analysis from position: 64
2 jumps found. (Code = 44) Position 1 = 71, Position 2 = 5
Branch analysis from position: 71
Branch analysis from position: 5
filename:       /in/QD4Yk
function name:  (null)
number of ops:  75
compiled vars:  !0 = $str, !1 = $lines, !2 = $results, !3 = $line, !4 = $match, !5 = $string, !6 = $offset
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '0%2F1%2F2%2F3%2F4%2F5%2F6%2F7%2F8%2F9+a%2Fb%2Fc%2Fd%2Fe%2Ff'
    5     1        INIT_ARRAY                                       ~8      !0
          2        ASSIGN                                                   !1, ~8
    6     3        ASSIGN                                                   !2, <array>
    7     4      > JMP                                                      ->66
    8     5    >   INIT_FCALL                                               'preg_match'
          6        SEND_VAL                                                 '%2F%28%5Cw%2B%29%28%3F%3A%5C%2F%5Cw%2B%29%2B%2Fui'
          7        SEND_VAR                                                 !3
          8        SEND_REF                                                 !4
          9        SEND_VAL                                                 256
         10        DO_ICALL                                         $11     
         11      > JMPZ                                                     $11, ->64
    9    12    >   FETCH_DIM_R                                      ~12     !4, 1
         13        FETCH_LIST_R                                     $13     ~12, 0
         14        ASSIGN                                                   !5, $13
         15        FETCH_LIST_R                                     $15     ~12, 1
         16        ASSIGN                                                   !6, $15
         17        FREE                                                     ~12
   10    18        INIT_FCALL                                               'array_push'
         19        SEND_REF                                                 !1
         20        INIT_FCALL                                               'sprintf'
         21        SEND_VAL                                                 '%25s%25s'
   11    22        INIT_FCALL                                               'substr'
         23        SEND_VAR                                                 !3
         24        SEND_VAL                                                 0
         25        STRLEN                                           ~17     !5
         26        ADD                                              ~18     !6, ~17
         27        SEND_VAL                                                 ~18
         28        DO_ICALL                                         $19     
         29        SEND_VAR                                                 $19
   12    30        INIT_FCALL                                               'substr'
         31        SEND_VAR                                                 !3
         32        FETCH_DIM_R                                      ~20     !4, 0
         33        FETCH_DIM_R                                      ~21     ~20, 0
         34        STRLEN                                           ~22     ~21
         35        ADD                                              ~23     !6, ~22
         36        SEND_VAL                                                 ~23
         37        DO_ICALL                                         $24     
         38        SEND_VAR                                                 $24
         39        DO_ICALL                                         $25     
         40        SEND_VAR                                                 $25
         41        DO_ICALL                                                 
   14    42        INIT_FCALL                                               'array_push'
         43        SEND_REF                                                 !1
         44        INIT_FCALL                                               'sprintf'
         45        SEND_VAL                                                 '%25s%25s'
   15    46        INIT_FCALL                                               'substr'
         47        SEND_VAR                                                 !3
         48        SEND_VAL                                                 0
         49        SEND_VAR                                                 !6
         50        DO_ICALL                                         $27     
         51        SEND_VAR                                                 $27
   16    52        INIT_FCALL                                               'substr'
         53        SEND_VAR                                                 !3
         54        STRLEN                                           ~28     !5
         55        ADD                                              ~29     !6, ~28
         56        ADD                                              ~30     ~29, 1
         57        SEND_VAL                                                 ~30
         58        DO_ICALL                                         $31     
         59        SEND_VAR                                                 $31
         60        DO_ICALL                                         $32     
         61        SEND_VAR                                                 $32
         62        DO_ICALL                                                 
         63      > JMP                                                      ->66
   19    64    >   ASSIGN_DIM                                               !2
         65        OP_DATA                                                  !3
    7    66    >   INIT_FCALL                                               'array_shift'
         67        SEND_REF                                                 !1
         68        DO_ICALL                                         $35     
         69        ASSIGN                                           ~36     !3, $35
         70      > JMPNZ                                                    ~36, ->5
   23    71    >   INIT_FCALL                                               'print_r'
         72        SEND_VAR                                                 !2
         73        DO_ICALL                                                 
         74      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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