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<?php function gdr_encode($val) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $str = ''; while ($val > 0) { $str = $chrs[$val % $base] . $str; $val = (int)($val / $base); } return $str; } function gdr_decode($str) { // all characters that json encode without escaping $chrs = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789 !#$%&\'()*+,-.:;<=>?@[]^_`{|}~'; $base = strlen($chrs); $map = array(); for ($i=0; $i<$base; $i++) { $map[$chrs[$i]] = $i; } $val = 0; for ($i=0; $i<strlen($str); $i++) { $val *= $base; $val += (int)$map[$str[$i]]; } return $val; } function duration($val) { if ($val < 24) { return sprintf('%1.1f', $val/24).'h'; } if ($val < 168) { return sprintf('%1.1f', $val/168).'w'; } if ($val < 730) { return sprintf('%1.1f', $val/730).'m'; } return sprintf('%1.1f', $val/8760).'y'; } $vals = array( 0, 1, 99, 100, 255, 256, 999, 1000, 9999, 10000, 65535, 65536, 99999, 100000, 250000, 500000, 750000, 999999, 1000000, 4294967295, 4294967296 ); echo sprintf("%10s %9s %5s %5s\n", 'num', 'str', 'day', 'cmp'); foreach ($vals as $val) { $enc = gdr_encode($val); $dec = gdr_decode($enc); if ($dec !== $val) { echo "ERROR: $val => $enc => $dec\n"; } else { echo sprintf("%10d %9s %5s %5d\n", $dec, "\"$enc\"", duration($val), strlen($enc)+2-strlen($val)); } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 10, Position 2 = 49
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 49
Branch analysis from position: 11
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 30
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 48
Branch analysis from position: 48
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 30
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 49
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 49
filename:       /in/CkYm4
function name:  (null)
number of ops:  51
compiled vars:  !0 = $vals, !1 = $val, !2 = $enc, !3 = $dec
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   44     0  E >   ASSIGN                                                   !0, <array>
   48     1        INIT_FCALL                                               'sprintf'
          2        SEND_VAL                                                 '%2510s+%259s+%255s+%255s%0A'
          3        SEND_VAL                                                 'num'
          4        SEND_VAL                                                 'str'
          5        SEND_VAL                                                 'day'
          6        SEND_VAL                                                 'cmp'
          7        DO_ICALL                                         $5      
          8        ECHO                                                     $5
   49     9      > FE_RESET_R                                       $6      !0, ->49
         10    > > FE_FETCH_R                                               $6, !1, ->49
   50    11    >   INIT_FCALL                                               'gdr_encode'
         12        SEND_VAR                                                 !1
         13        DO_FCALL                                      0  $7      
         14        ASSIGN                                                   !2, $7
   51    15        INIT_FCALL                                               'gdr_decode'
         16        SEND_VAR                                                 !2
         17        DO_FCALL                                      0  $9      
         18        ASSIGN                                                   !3, $9
   52    19        IS_NOT_IDENTICAL                                         !3, !1
         20      > JMPZ                                                     ~11, ->30
   53    21    >   ROPE_INIT                                     7  ~13     'ERROR%3A+'
         22        ROPE_ADD                                      1  ~13     ~13, !1
         23        ROPE_ADD                                      2  ~13     ~13, '+%3D%3E+'
         24        ROPE_ADD                                      3  ~13     ~13, !2
         25        ROPE_ADD                                      4  ~13     ~13, '+%3D%3E+'
         26        ROPE_ADD                                      5  ~13     ~13, !3
         27        ROPE_END                                      6  ~12     ~13, '%0A'
         28        ECHO                                                     ~12
         29      > JMP                                                      ->48
   55    30    >   INIT_FCALL                                               'sprintf'
         31        SEND_VAL                                                 '%2510d+%259s+%255s+%255d%0A'
         32        SEND_VAR                                                 !3
         33        ROPE_INIT                                     3  ~18     '%22'
         34        ROPE_ADD                                      1  ~18     ~18, !2
         35        ROPE_END                                      2  ~17     ~18, '%22'
         36        SEND_VAL                                                 ~17
         37        INIT_FCALL                                               'duration'
         38        SEND_VAR                                                 !1
         39        DO_FCALL                                      0  $20     
         40        SEND_VAR                                                 $20
         41        STRLEN                                           ~21     !2
         42        ADD                                              ~22     ~21, 2
         43        STRLEN                                           ~23     !1
         44        SUB                                              ~24     ~22, ~23
         45        SEND_VAL                                                 ~24
         46        DO_ICALL                                         $25     
         47        ECHO                                                     $25
   49    48    > > JMP                                                      ->10
         49    >   FE_FREE                                                  $6
   57    50      > RETURN                                                   1

Function gdr_encode:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 6
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 15, Position 2 = 6
Branch analysis from position: 15
Branch analysis from position: 6
filename:       /in/CkYm4
function name:  gdr_encode
number of ops:  17
compiled vars:  !0 = $val, !1 = $chrs, !2 = $base, !3 = $str
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        ASSIGN                                                   !1, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+%21%23%24%25%26%27%28%29%2A%2B%2C-.%3A%3B%3C%3D%3E%3F%40%5B%5D%5E_%60%7B%7C%7D%7E'
    6     2        STRLEN                                           ~5      !1
          3        ASSIGN                                                   !2, ~5
    7     4        ASSIGN                                                   !3, ''
    8     5      > JMP                                                      ->13
    9     6    >   MOD                                              ~8      !0, !2
          7        FETCH_DIM_R                                      ~9      !1, ~8
          8        CONCAT                                           ~10     ~9, !3
          9        ASSIGN                                                   !3, ~10
   10    10        DIV                                              ~12     !0, !2
         11        CAST                                          4  ~13     ~12
         12        ASSIGN                                                   !0, ~13
    8    13    >   IS_SMALLER                                               0, !0
         14      > JMPNZ                                                    ~15, ->6
   12    15    > > RETURN                                                   !3
   13    16*     > RETURN                                                   null

End of function gdr_encode

Function gdr_decode:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
2 jumps found. (Code = 44) Position 1 = 13, Position 2 = 7
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
2 jumps found. (Code = 44) Position 1 = 25, Position 2 = 16
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 25, Position 2 = 16
Branch analysis from position: 25
Branch analysis from position: 16
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 13, Position 2 = 7
Branch analysis from position: 13
Branch analysis from position: 7
filename:       /in/CkYm4
function name:  gdr_decode
number of ops:  27
compiled vars:  !0 = $str, !1 = $chrs, !2 = $base, !3 = $map, !4 = $i, !5 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
   17     1        ASSIGN                                                   !1, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+%21%23%24%25%26%27%28%29%2A%2B%2C-.%3A%3B%3C%3D%3E%3F%40%5B%5D%5E_%60%7B%7C%7D%7E'
   18     2        STRLEN                                           ~7      !1
          3        ASSIGN                                                   !2, ~7
   19     4        ASSIGN                                                   !3, <array>
   20     5        ASSIGN                                                   !4, 0
          6      > JMP                                                      ->11
   21     7    >   FETCH_DIM_R                                      ~11     !1, !4
          8        ASSIGN_DIM                                               !3, ~11
          9        OP_DATA                                                  !4
   20    10        PRE_INC                                                  !4
         11    >   IS_SMALLER                                               !4, !2
         12      > JMPNZ                                                    ~14, ->7
   23    13    >   ASSIGN                                                   !5, 0
   24    14        ASSIGN                                                   !4, 0
         15      > JMP                                                      ->22
   25    16    >   ASSIGN_OP                                     3          !5, !2
   26    17        FETCH_DIM_R                                      ~18     !0, !4
         18        FETCH_DIM_R                                      ~19     !3, ~18
         19        CAST                                          4  ~20     ~19
         20        ASSIGN_OP                                     1          !5, ~20
   24    21        PRE_INC                                                  !4
         22    >   STRLEN                                           ~23     !0
         23        IS_SMALLER                                               !4, ~23
         24      > JMPNZ                                                    ~24, ->16
   28    25    > > RETURN                                                   !5
   29    26*     > RETURN                                                   null

End of function gdr_decode

Function duration:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 10
Branch analysis from position: 3
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 19
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 28
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CkYm4
function name:  duration
number of ops:  36
compiled vars:  !0 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   31     0  E >   RECV                                             !0      
   32     1        IS_SMALLER                                               !0, 24
          2      > JMPZ                                                     ~1, ->10
   33     3    >   INIT_FCALL                                               'sprintf'
          4        SEND_VAL                                                 '%251.1f'
          5        DIV                                              ~2      !0, 24
          6        SEND_VAL                                                 ~2
          7        DO_ICALL                                         $3      
          8        CONCAT                                           ~4      $3, 'h'
          9      > RETURN                                                   ~4
   35    10    >   IS_SMALLER                                               !0, 168
         11      > JMPZ                                                     ~5, ->19
   36    12    >   INIT_FCALL                                               'sprintf'
         13        SEND_VAL                                                 '%251.1f'
         14        DIV                                              ~6      !0, 168
         15        SEND_VAL                                                 ~6
         16        DO_ICALL                                         $7      
         17        CONCAT                                           ~8      $7, 'w'
         18      > RETURN                                                   ~8
   38    19    >   IS_SMALLER                                               !0, 730
         20      > JMPZ                                                     ~9, ->28
   39    21    >   INIT_FCALL                                               'sprintf'
         22        SEND_VAL                                                 '%251.1f'
         23        DIV                                              ~10     !0, 730
         24        SEND_VAL                                                 ~10
         25        DO_ICALL                                         $11     
         26        CONCAT                                           ~12     $11, 'm'
         27      > RETURN                                                   ~12
   41    28    >   INIT_FCALL                                               'sprintf'
         29        SEND_VAL                                                 '%251.1f'
         30        DIV                                              ~13     !0, 8760
         31        SEND_VAL                                                 ~13
         32        DO_ICALL                                         $14     
         33        CONCAT                                           ~15     $14, 'y'
         34      > RETURN                                                   ~15
   42    35*     > RETURN                                                   null

End of function duration

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.4 ms | 1402 KiB | 18 Q